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JUNIPER WARRANT THAT THE SOFTWARE, OR ANY EQUIPMENT OR NETWORK RUNNING THE SOFTWARE, WILL OPERATE WITHOUT ERROR OR
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9.

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If you have any questions about this agreement, contact Juniper Networks at the following address:

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iv

Содержание Internet Router M160

Страница 1: ...M160 Internet Router Hardware Guide Juniper Networks Inc 1194 North Mathilda Avenue Sunnyvale California 94089 USA 408 745 2000 www juniper net Part Number 530 007250 01 Revision 5 ...

Страница 2: ...een Security Manager NMC RX SDX Stateful Signature T320 T640 T series and TX Matrix All other trademarks service marks registered trademarks or registered service marks are the property of their respective owners All specifications are subject to change without notice Juniper Networks assumes no responsibility for any inaccuracies in this document Juniper Networks reserves the right to change modi...

Страница 3: ...y restricted feature function or capability without first purchasing the applicable license s and obtaining a valid key from Juniper even if such feature function or capability is enabled without a key g distribute any key for the Software provided by Juniper to any third party h use the Software in any manner that extends or is broader than the uses purchased by Customer from Juniper or an author...

Страница 4: ...ghts Use duplication or disclosure by the United States government is subject to restrictions set forth in this Agreement and as provided in DFARS 227 7201 through 227 7202 4 FAR 12 212 FAR 27 405 b 2 FAR 52 227 19 or FAR 52 227 14 ALT III as applicable 13 Miscellaneous This Agreement shall be governed by the laws of the State of California without reference to its conflicts of laws principles For...

Страница 5: ...ponent Overview 7 Chassis 7 Packet Forwarding Engine 11 Midplane 12 Physical Interface Cards PICs 13 PIC Components 14 Flexible PIC Concentrators FPCs 14 FPC Components 16 FPC Types 17 Packet Forwarding Engine Clock Generators PCGs 18 PCG Components 19 Switching and Forwarding Module SFM 19 SFM Components 20 Host Module 22 Routing Engine 23 Routing Engine Components 24 Miscellaneous Control Subsys...

Страница 6: ...licy 47 VPNs 48 Interface Process 49 Chassis Process 49 SNMP and MIB II Processes 49 Management Process 49 Routing Engine Kernel 49 Tools for Accessing and Configuring the Software 50 Tools for Monitoring the Software 50 Software Upgrades 50 Chapter 4 System Architecture Overview 51 Packet Forwarding Engine Architecture 51 Data Flow through the Packet Forwarding Engine 52 Routing Engine Architectu...

Страница 7: ... and Parts Required 77 Unpacking the Router 77 Chapter 7 Installing the Router Using a Mechanical Lift 81 Tools and Parts Required 81 Installing the Chassis Using a Mechanical Lift 81 Chapter 8 Installing the Router without a Mechanical Lift 83 Tools and Parts Required 84 Removing Components from the Chassis 84 Removing the Power Supplies 86 Removing the Rear Component Cover 86 Removing the SFMs 8...

Страница 8: ...dware Components 127 Routine Maintenance Procedures 127 Maintaining Cooling System Components 127 Maintaining the Air Filter 128 Removing the Air Filter 128 Cleaning the Air Filter 129 Installing the Air Filter 129 Maintaining the Fan Tray and Impellers 130 Maintaining Host Module Components 131 Maintaining Packet Forwarding Engine Components 132 Maintaining FPCs 133 Maintaining PICs and PIC Cable...

Страница 9: ...the PC Card 163 Insert the PC Card 164 Replacing a Routing Engine 165 Removing a Routing Engine 165 Installing a Routing Engine 168 Replacing Packet Forwarding Engine Components 169 Replacing an FPC 169 Removing an FPC 170 Installing an FPC 172 Replacing a PCG 176 Removing a PCG 176 Installing a PCG 178 Replacing a PIC 179 Removing a PIC 179 Installing a PIC 181 Replace PIC Cables 185 Removing a P...

Страница 10: ...nes and Warnings 224 Qualified Personnel Warning 225 Restricted Access Area Warning 225 Preventing Electrostatic Discharge Damage 226 Electrical Safety Guidelines and Warnings 227 General Electrical Safety Guidelines 229 DC Power Electrical Safety Guidelines 229 Copper Conductors Warning 230 DC Power Disconnection Warning 231 DC Power Grounding Requirements and Warning 232 DC Power Wiring Sequence...

Страница 11: ...57 DC Power Supply Serial Number ID Label 258 FPC Serial Number ID Label 259 MCS Serial Number ID Label 259 PCG Serial Number ID Label 260 PIC Serial Number ID Label 260 Routing Engine Serial Number ID Label 261 SFM Serial Number ID Label 262 Contacting Customer Support 262 Information You Might Need to Supply to JTAC 263 Return Procedure 263 Tools and Parts Required 264 Packing the Routing Node f...

Страница 12: ...M160 Internet Router Hardware Guide xii Table of Contents ...

Страница 13: ...uting Engine Architecture 54 Figure 25 Control Packet Handling for Routing and Forwarding Table Updates 55 Figure 26 Typical Center Mount Rack 61 Figure 27 Chassis Dimensions and Clearance Requirements 62 Figure 28 Power and Grounding Cable Lug 67 Figure 29 Typical Source Cabling to the Router 68 Figure 30 Power and Grounding Cable Connections 70 Figure 31 Unpacking the Router 79 Figure 32 Removin...

Страница 14: ...53 Figure 73 Removing the Craft Interface 153 Figure 74 Installing the Front Impeller Assembly 154 Figure 75 Removing the Rear Lower Impeller Assembly 155 Figure 76 Installing the Rear Lower Impeller Assembly 156 Figure 77 Removing the Rear Upper Impeller Assembly 157 Figure 78 Removing the Rear Upper Impeller Assembly 158 Figure 79 Installing the Rear Upper Impeller Assembly 158 Figure 80 Install...

Страница 15: ...er ID Label 257 Figure 111 Craft Interface Serial Number ID Label 258 Figure 112 DC Power Supply Serial Number ID Label 258 Figure 113 FPC Serial Number ID Label 259 Figure 114 MCS Serial Number ID Label 260 Figure 115 PCG Serial Number ID Label 260 Figure 116 PIC Serial Number ID Label 261 Figure 117 Routing Engine 333 Serial Number ID Label 261 Figure 118 Routing Engine 600 Serial Number ID Labe...

Страница 16: ...M160 Internet Router Hardware Guide xvi List of Figures ...

Страница 17: ...ted Values for Factors Causing Link Loss 73 Table 19 Cable and Wire Specifications for Routing Engine Management and Alarm Interfaces 75 Table 20 Site Preparation Checklist 75 Table 21 Generic Inventory of Router Components Installed in Chassis 79 Table 22 Router Component Weights 83 Table 23 FPC Removal Checklist 94 Table 24 Tools and Parts Required 140 Table 25 Fuse Specifications 206 Table 26 C...

Страница 18: ...M160 Internet Router Hardware Guide xviii List of Tables ...

Страница 19: ...ernet software configuration guides for information about further JUNOS software configuration NOTE For additional information about Juniper Networks Internet routers and the Physical Interface Cards PICs they support either corrections to or information that might have been omitted from this guide see the hardware release notes at http www juniper net Audience This guide is designed for network a...

Страница 20: ...erm is a named structure that defines match conditions and actions JUNOS System Basics Configuration Guide RFC 1997 BGP Communities Attribute Italic sans serif typeface Represents variables options for which you substitute a value in commands or configuration statements Configure the machine s domain name edit root set system domain name domain name Sans serif typeface Represents names of configur...

Страница 21: ... 3 lists the software and hardware guides and release notes for Juniper Networks routing platforms that use the JUNOS Internet software and describes the contents of each book Table 3 Juniper Networks Technical Documentation Book Description JUNOS for J series M series and T series Routing Platforms Configuration Guides Feature Guide Provides a detailed explanation and configuration examples for s...

Страница 22: ...ommand Reference Describes the JUNOS Internet software operational mode commands you use to monitor and troubleshoot most aspects of Juniper Networks routing platforms System Log Messages Reference Describes how to access and interpret system log messages generated by JUNOS software modules and provides a reference page for each message JUNOScript API Documentation JUNOScript API Guide Describes h...

Страница 23: ... platform has its own release notes JUNOScope Software Release Notes Contain corrections and updates to the published JUNOScope manual provide information that might have been omitted from the manual and describe upgrade and downgrade procedures J series Services Router Release Notes Briefly describe Services Router features identify known hardware problems and provide upgrade and downgrade instru...

Страница 24: ...M160 Internet Router Hardware Guide xxiv Requesting Support ...

Страница 25: ...Part 1 Product Overview System Overview on page 3 Hardware Component Overview on page 7 JUNOS Internet Software Overview on page 43 System Architecture Overview on page 51 Product Overview 1 ...

Страница 26: ...2 Product Overview ...

Страница 27: ...6 or eight OC 192 STM 64 ports per system The router height of 35 in 89 cm enables stacked installation of two M160 systems in a single floor to ceiling rack for increased port density per unit of floor space The router s maximum aggregate throughput is 160 gigabits per second Gbps simplex or 80 Gbps full duplex The router provides very high throughput for any combination of Physical Interface Car...

Страница 28: ...ter Fan tray located behind the cable management system Flexible PIC Concentrator FPC Physical Interface Card PIC Power supply Small form factor pluggable SFP Miscellaneous Control Subsystem MCS Packet Forwarding Engine Clock Generator PCG Routing Engine Switching and Forwarding Module SFM Circuit breaker box Connector Interface Panel CIP For FRU replacement instructions see Replacing Hardware Com...

Страница 29: ... indefinitely For more information see Power System on page 35 SFM The router can have up to four interconnected SFMs If one SFM fails the switching and forwarding functions of the failed module are distributed among the remaining SFMs Total bandwidth is reduced by 1 n where n is the total number of SFMs installed in the router For example in a system with four SFMs each SFM provides one fourth of...

Страница 30: ...M160 Internet Router Hardware Guide 6 Safety Requirements Warnings and Guidelines ...

Страница 31: ...assis is a rigid sheet metal structure that houses the other hardware components The chassis is 17 5 in 44 5 cm wide and 29 in 73 6 cm deep The chassis height of 35 in 89 cm enables stacked installation of two M160 routers in a single floor to ceiling rack For more information see Rack Requirements on page 59 The two front support posts and center mounting brackets one on each side extend the chas...

Страница 32: ...M160 Internet Router Hardware Guide Figure 1 Front of Chassis 1165 R Craft interface FPCs CIP ESD point Cable management system Air filter 8 Chassis ...

Страница 33: ... Component Overview Figure 2 Rear of Chassis with Component Cover in Place 1167 Circuit breaker box Grounding points ESD point Component cover Upper impeller Lower impeller Power supplies PCG 0 PCG 1 Chassis 9 ...

Страница 34: ... discharge ESD points banana plug receptacles one front and one rear as shown in Figure 1 and Figure 2 Two internally threaded grounding points as shown in Figure 2 WARNING Before removing or installing components of a functioning router attach an ESD strap to an ESD point and place the other end of the strap around your bare wrist Failure to use an ESD strap could result in damage to the router T...

Страница 35: ... specific integrated circuits ASICs to perform Layer 2 and Layer 3 packet switching route lookups and packet forwarding The ASICs include the Distributed Buffer Manager ASIC Internet Processor II ASIC I O Manager ASIC Packet Director ASIC and media specific controller ASICs The Packet Forwarding Engine has the following components Midplane Physically separates front and rear cavities inside the ch...

Страница 36: ...PCs on page 14 Packet Forwarding Engine Clock Generators PCGs on page 18 Switching and Forwarding Module SFM on page 19 Midplane The midplane is a panel located in the center of the chassis running from side to side and forming the rear of the FPC card cage see Figure 4 All router components other than PICs plug directly into the midplane The midplane contains an EEPROM that stores the serial numb...

Страница 37: ...d insert directly into the slot rather than into an FPC card carrier PICs receive incoming packets from the network and transmit outgoing packets to the network performing framing and line speed signaling for their media type as required PICs also encapsulate outgoing packets received from the FPCs before transmitting them The controller ASIC on each PIC performs additional control functions speci...

Страница 38: ...60 Internet Router PIC Guide Offline button Prepares the PIC for removal from the FPC when pressed For the PICs that install on an FPC1 the offline button for each PIC is next to it on the FPC card carrier For the PICs that install on an FPC2 the offline button is on the PIC faceplate See Figure 6 Flexible PIC Concentrators FPCs Flexible PIC Concentrators FPCs house the PICs that connect the route...

Страница 39: ...ge Figure 5 which shows a chassis with an FPC in slot FPC0 omits the blank FPC panels to show the position of the FPC in the card cage Figure 5 Front of Chassis with Four PIC FPC Installed in Slot FPC0 1189 R For information about FPC components and types see the following sections FPC Components on page 16 FPC Types on page 17 Packet Forwarding Engine 15 ...

Страница 40: ...lled in the router Parity protected synchronous SRAM SSRAM Stores data structures used by the I O Manager ASICs Processor subsystem Manages packet handling in the FPC and communication with the SFM It is a PowerPC 603e based CPU with parity protected DRAM EEPROM Stores the serial number and revision level of the FPC Two LEDs Indicate FPC status The LED labeled OK is green and the one labeled FAIL ...

Страница 41: ... Engine adjusts to the change in the amount of memory available in the pool located on and shared by all FPCs When you install an FPC into a functioning router the Routing Engine downloads the FPC software the FPC runs its diagnostics and the PICs housed on the FPC are enabled Forwarding continues uninterrupted during this process For FPC replacement instructions see Replacing an FPC on page 169 E...

Страница 42: ...up and the MCS relays the decision to the PCGs and to the modules and ASICs in the Packet Forwarding Engine that use the clock signal The modules and ASICs then use only the signal from the master source PCGs are hot pluggable as described in Field Replaceable Units FRUs on page 4 Removal or failure of the backup PCG does not affect router function When the master PCG fails or is removed from the ...

Страница 43: ... is functioning normally OK Green Blinking PCG is starting up FAIL Amber On steadily PCG has failed Switching and Forwarding Module SFM The Switching and Forwarding Module SFM performs route lookup filtering and switching on incoming data packets then directs outbound packets to the appropriate FPC for transmission to the network It can process 40 million packets per second Mpps Up to four SFMs ca...

Страница 44: ...ghout the shared memory buffers located on the FPCs Transfer of outgoing data packets The second Distributed Buffer Manager ASIC passes notification of the forwarding decision for each packet to an I O Manager ASIC so that data cells for the outgoing packet can be reassembled for transmission to the network Transfer of exception and control packets The Internet Processor II ASIC passes exception p...

Страница 45: ...arity protected DRAM EEPROM Stores the serial number and revision level Offline button Prepares the SFM for removal from the router when pressed Two LEDs Indicate SFM status There is a green one labeled OK and an amber one labeled FAIL Table 7 describes the LED states Ejector handles and locking tabs Control the locking system that secures the SFM in the chassis NOTE For specific information about...

Страница 46: ...priate edit chassis redundancy routing engine statement in the configuration as described in the section about Routing Engine redundancy in the JUNOS Internet Software Configuration Guide Getting Started The host module components are hot pluggable as described in Field Replaceable Units FRUs on page 4 Removal or failure of one or both components in the standby host module does not affect router f...

Страница 47: ...can configure automatic Routing Engine mastership failover When the standby Routing Engine stops receiving keepalive signals from the master Routing Engine it automatically assumes mastership Packet forwarding halts while the Packet Forwarding Engine components reset and connect to the new master Routing Engine For information about configuring graceful switchover or automatic mastership failover ...

Страница 48: ...onfiguration files and microcode The drive is fixed and inaccessible from outside the router Hard disk Provides secondary storage for log files memory dumps and rebooting the system if the flash drive fails PC card slots Accept removable PC cards which store software images for system upgrades LED Indicates disk activity for the internal IDE interface It does not necessarily indicate routing relat...

Страница 49: ... Miscellaneous Control Subsystem MCS works with its companion Routing Engine to provide control and monitoring functions for router components It also generates a clock signal for the SONET SDH interfaces on the router One or two host modules paired MCS and Routing Engine can be installed into the midplane from the rear of the chassis as shown in Figure 3 Only one host module is active at a time w...

Страница 50: ...ock to verify that they are providing the expected signal It generates an alarm if a clock signal is incorrect Control of FPC resets If the MCS detects errors in an FPC it attempts to reset the FPC After three unsuccessful reset attempts the MCS takes the FPC offline and informs the Routing Engine Other FPCs are unaffected and system operation continues MCS Components Each MCS shown in Figure 10 h...

Страница 51: ...CS is functioning normally OK Green Blinking MCS is starting up FAIL Amber On steadily MCS has failed Craft Interface The craft interface provides status and troubleshooting information at a glance and has buttons for deactivating alarms and preparing FPCs for removal The craft interface is located on the front of the chassis above the FPC card cage as shown in Figure 1 It includes the elements sh...

Страница 52: ...omponents on page 26 Power System on page 35 For information about the elements on the craft interface see the following sections Alarm LEDs and Alarm Cutoff Lamp Test Button on page 28 LCD and Navigation Buttons on page 29 Host Module LEDs on page 31 FPC LEDs and Offline Button on page 31 Alarm LEDs and Alarm Cutoff Lamp Test Button Two large alarm LEDs are located at the upper left of the craft ...

Страница 53: ...cription Red On steadily Critical alarm LED Indicates a critical condition that can cause the router to stop functioning Possible causes include component removal failure or overheating Yellow On steadily Warning alarm LED Indicates a serious but nonfatal error condition such as a maintenance alert or a significant increase in component temperature Alarm cutoff lamp test button Deactivates red and...

Страница 54: ...such as removal or insertion of a system component can interrupt the messages To add a message that alternates every 2 seconds with the default status messages use the set chassis display message command For more information see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management LCD Alarm Mode When a red or yellow alarm occurs the LCD s...

Страница 55: ... RE 1 and the MCS in slot MCS 1 Each set includes three LEDs a green one labeled MASTER another green one labeled ONLINE and a red one labeled OFFLINE Table 10 describes the LED states Table 10 States for Host Module LEDs Label Color State Description MASTER Green On steadily Host module is functioning as master On steadily Host module components Routing Engine and MCS are installed and functionin...

Страница 56: ... Red On steadily FPC has failed Connector Interface Panel CIP The Connector Interface Panel CIP is located at the left side of the FPC card cage as shown in Figure 1 It houses Routing Engine management ports and alarm relay contacts as shown in Figure 14 and described in the following sections Routing Engine Management Ports on page 33 BITS Input Ports on page 34 Alarm Relay Contacts on page 34 32...

Страница 57: ...ine ports NC C NO NC C NO Routing Engine Management Ports On the upper half of the CIP are two sets of ports for connecting the Routing Engines to one or more external devices on which system administrators can issue JUNOS command line interface CLI commands to manage the router The set of ports labeled HOST0 connects to the Routing Engine in the slot labeled RE 0 and the set labeled HOST1 connect...

Страница 58: ...ects the Routing Engine to a laptop modem or other auxiliary device through an RS 232 EIA 232 serial cable For information about the pinouts for the connectors see Cable Connector Pinouts on page 269 Figure 15 shows the ports that connect to the Routing Engine installed in slot RE 0 The arrangement of ports for the Routing Engine installed in slot RE 1 is the same Figure 15 Routing Engine Interfac...

Страница 59: ... router components according to their individual voltage requirements When the power supplies are installed and operational they automatically share the electrical load If a power supply stops functioning for any reason the remaining power supplies instantly begin providing all the power the router needs for normal functioning and can provide full power indefinitely Power supplies are hot removabl...

Страница 60: ...age 39 Power Supply The router has two load sharing pass through power supplies located at the bottom rear of the chassis as shown in Figure 2 For information about power supply redundancy and replaceability see Power System on page 35 Each power supply has the following components see Figure 17 and Figure 18 LEDs Indicate power supply status There is a green one labeled CB ON a blue one labeled O...

Страница 61: ... ENHANCED PEM CAUTION CB OFF OUTPUT OK PEM SELF TEST 1266 TIGHTEN THESE SCREWS FIRST Table 12 States for Power Supply LEDs Label Color State Description CB ON Green On steadily Power supply is inserted correctly and is receiving power Circuit breaker is on On steadily Power supply is inserted and is functioning normally OUTPUT OK Blue Blinking Power supply is not functioning is starting up or is n...

Страница 62: ...perating range 42 to 72 VDC DC input current rating 80 A 48 V Output voltages 48 V 8 3 A cooling system 8 3 V 6 A bias 48 V to 60 V 75 A Circuit Breaker Box The circuit breaker box is located on the rear of the chassis above the right power supply as shown in Figure 2 The circuit breaker box houses two circuit breakers and sets of terminal studs corresponding positionally to the two power supplies...

Страница 63: ...m The cooling system includes a fan tray and several impellers that draw room air into the chassis to keep its internal temperature below a maximum acceptable level When the temperature is below the maximum the fans and impellers function at less than full speed If the MCS detects that the temperature of a component has exceeded the acceptable maximum for example because an impeller is removed it ...

Страница 64: ...perating The fans and impellers are powerful enough to draw in foreign material such as bits of wire through the unfiltered air intake which could damage router components Front cooling subsystem Cools the FPCs PICs and midplane It includes a fan tray located behind the cable management system and a large central impeller behind the craft interface For replacement instructions see Replacing the Fa...

Страница 65: ... cable management system see Figure 21 consists of a row of nine semicircular plastic bobbins mounted on the front of the router below the FPC card cage The PIC cables pass between the bobbins and into the tray keeping the cables organized and securely in place The curvature of the bobbins also helps maintain the proper bend radius for optical PIC cables Figure 21 Cable Management System 1938 Cabl...

Страница 66: ...M160 Internet Router Hardware Guide 42 Cable Management System ...

Страница 67: ...ave activated a software configuration use the JUNOS Internet software to monitor the protocol traffic passing through the router and to troubleshoot protocol and network connectivity problems For additional information about the JUNOS Internet software including its security features and a list of the industry standards it supports see the JUNOS System Basics Configuration Guide For complete info...

Страница 68: ...ne how routing information is transferred between the routing protocols and the routing table This section discusses the following topics IPv4 Routing Protocols on page 44 IPv6 Routing Protocols on page 46 Routing and Forwarding Tables on page 47 Routing Policy on page 47 For complete information about routing concepts see the JUNOS Internet software configuration guides IPv4 Routing Protocols The...

Страница 69: ...overy process Multicast routing protocols DVMRP Distance Vector Multicast Routing Protocol is a dense mode flood and prune multicast routing protocol IGMP Internet Group Management Protocol versions 1 and 2 is used to manage membership in multicast groups MSDP Multicast Source Discovery Protocol enables multiple PIM sparse mode domains to be joined A rendezvous point RP in a PIM sparse mode domain...

Страница 70: ... loop free exchange of routing information between routing domains also called autonomous systems BGP in conjunction with JUNOS routing policy provides a system of administrative checks and balances that can be used to implement peering and transit agreements ICMP Internet Control Message Protocol router discovery is a method that hosts can use to discover the addresses of operational routers on a...

Страница 71: ...multicast protocols running on the router including DVMRP and PIM You can configure additional routes for inclusion in the routing table In the multicast routing table the routing protocol process uses traffic flow and other parameters specified by the multicast routing protocol algorithms to select active routes MPLS routing table Stores MPLS label information For unicast routes the routing proto...

Страница 72: ...a route and the action to perform on the route when a match occurs For example when a routing table imports routing information from a routing protocol a routing policy might modify the route s preference mark the route with a color to identify it for later manipulation or prevent the route from even being installed in a routing table When a routing table exports routes to a routing protocol a pol...

Страница 73: ...he JUNOS chassis process allows you to configure and control the properties of the router including conditions that trigger alarms and clock sources The chassis process communicates directly with a chassis process in the JUNOS kernel SNMP and MIB II Processes The JUNOS Internet software supports the Simple Network Management Protocol SNMP versions 1 2 and 3 which provides a mechanism for monitorin...

Страница 74: ... You can also use the JUNOS Internet software implementation of SNMP to monitor routers The SNMP software consists of an SNMP master agent and a MIB II agent It provides full support for MIB II SNMP version 1 traps and version 2 notifications SNMP version 1 Get and GetNext requests and version 2 GetBulk requests For more information about SNMP see the JUNOS Network Management Configuration Guide T...

Страница 75: ...n the Packet Forwarding Engine and the Routing Engine Figure 22 System Architecture Packet Forwarding Engine Routing Engine 1244 Packets in Packets out 100 Mbps link For a discussion of the architectural components see the following sections Packet Forwarding Engine Architecture on page 51 Routing Engine Architecture on page 53 Packet Forwarding Engine Architecture The Packet Forwarding Engine per...

Страница 76: ...s and the other notifies the FPCs of forwarding decisions for outgoing packets Data Flow through the Packet Forwarding Engine Use of ASICs promotes efficient movement of data packets through the system Packets flow through the Packet Forwarding Engine in the following sequence see Figure 23 1 Packets arrive at an incoming PIC interface 2 The PIC passes the packets to the FPC where the Packet Direc...

Страница 77: ...e JUNOS Internet software which Juniper Networks has developed and optimized to handle large numbers of network interfaces and routes The software consists of a set of system processes running in protected memory modules on top of an independent operating system The JUNOS kernel supports JUNOS system processes which handle system management processes routing protocols and control functions see Fig...

Страница 78: ...ns and features Processing of routing protocol packets The Routing Engine handles all packets that concern routing protocols freeing the Packet Forwarding Engine to handle only packets that represent Internet traffic Software modularity Because each software process is devoted to a different function and uses a separate process space the failure of one process has little or no effect on the others...

Страница 79: ...tions such as alarm handling and packet counting on every port without degrading packet forwarding performance The Routing Engine constructs and maintains one or more routing tables see Figure 25 From the routing tables the Routing Engine derives a table of active routes called the forwarding table which is then copied into the Packet Forwarding Engine The design of the ASICs allow the forwarding ...

Страница 80: ...M160 Internet Router Hardware Guide 56 Routing Engine Architecture ...

Страница 81: ...tion on page 59 Unpacking the Router on page 77 Installing the Router Using a Mechanical Lift on page 81 Installing the Router without a Mechanical Lift on page 83 Connecting the Router and Performing Initial Configuration on page 111 Initial Installation 57 ...

Страница 82: ...58 Initial Installation ...

Страница 83: ...and Specifications on page 64 Network Cable Specifications and Guidelines on page 70 Routing Engine Interface Cable and Wire Specifications on page 74 Site Preparation Checklist on page 75 Rack Requirements The router must be installed in a rack Many types of racks are acceptable including front mount racks 4 post telco racks and center mount racks An example of a center mount rack appears in Figu...

Страница 84: ... brackets extend the width to 19 in 48 3 cm The spacing of rails and adjacent racks must also allow for the clearances around the router and rack that are specified in Clearance Requirements for Airflow and Hardware Maintenance on page 62 NOTE The router might not fit into an 800 mm deep cabinet even if you adjust the front to back position of the front mounting rails inside the cabinet If you mou...

Страница 85: ...ter mounting brackets The mounting holes in a front mount rack s rails must align with the holes in the front support posts and the mounting holes in a center mount rack s rails must align with the holes in the center mounting brackets Table 14 Spacing of Holes on Front Support Post and Center Mounting Bracket Router Mounting Rail Hole Spacing Front support post 4 U 7 in or 17 78 cm Center mountin...

Страница 86: ...e components there must be adequate space at the front and back of the router Allow at least 24 in 61 cm both in front of the router and behind it Figure 27 Chassis Dimensions and Clearance Requirements Rear of chassis Front of chassis 24 in 61 cm clearance for maintenance Center rack mount ears 17 5 in 44 5 cm 29 in 73 6 cm 24 in 61 cm clearance for maintenance 6 in 15 2 cm clearance for airflow ...

Страница 87: ...of a fire emergency involving routers and other network equipment the safety of people is the primary concern You should establish procedures for protecting people in the event of a fire emergency provide safety training and properly provision fire control equipment and fire extinguishers In addition you should establish procedures to protect your equipment in the event of a fire emergency Juniper...

Страница 88: ...E To keep warranties effective do not use a dry chemical fire extinguisher to control a fire at or near a Juniper Networks router If a dry chemical fire extinguisher is used the unit is no longer eligible for coverage under a service agreement We recommend that you dispose of any irreparably damaged equipment in an environmentally responsible manner Power Guidelines Requirements and Specifications...

Страница 89: ...mended distances use a high quality twisted pair cable with one ground conductor for each data signal when applicable Electromagnetic Compatibility If your site is susceptible to problems with electromagnetic compatibility EMC particularly from lightning or radio transmitters you might want to seek expert advice Strong sources of electromagnetic interference EMI can destroy the signal drivers and ...

Страница 90: ...host modules 2 PCGs 32 PICs 10 A 8 2 4 A 4 1 3 A 2 1 3 A 2 0 2 A 32 0 625 A 10 A 19 2 A 5 2 A 2 6 A 0 4 A 20 A 57 4 A 48 V 2755 W DC Input current from a DC source other than 48 V based on maximum configuration 54 VDC input x input current X 48 VDC input x input current Y 54 x X 48 x 57 4 A X 48 x 57 4 A 54 51 0 A System thermal output for maximally configured router 105 of Watts DC 0 293 BTU hr 1...

Страница 91: ...ints The cable lug shown in Figure 28 is also used for the DC power cables The grounding cable must be able to handle up to 82 A Figure 28 Power and Grounding Cable Lug Crimp area All measurements in inches 0 28 2 holes 2 25 0 25 0 37 0 63 g002137 0 55 End view 0 08 The grounding cable must be 8 AWG 8 4 m2 wire minimum or as permitted by the local code Power Connection and Cable Specifications To ...

Страница 92: ...NING Power plant ground and chassis ground must be connected to the same building ground Table 17 summarizes the specifications for the grounding and power cables which you supply The accessory box shipped with the router includes the cable lugs that attach to the terminal studs of the circuit breaker box see Figure 28 The cable lug shown in Figure 28 is also used for the grounding the chassis CAU...

Страница 93: ... trip on them Figure 30 shows how to attach the power cables The power cables attach to the 1 4 20 UNC terminal studs located on the circuit breaker box the input set of studs is labeled 48V and the return set is labeled RTN The nuts and locking washers used to secure the power cable lugs on the terminal studs are preinstalled on the studs The tool for loosening or tightening the nuts on the termi...

Страница 94: ... cable see Disconnecting and Connecting Power on page 200 Network Cable Specifications and Guidelines The various PICs supported on the router accept different kinds of network cable including multimode and single mode fiber optic cable For more information see the following sections Fiber Optic and Network Cable Specifications on page 71 Signal Loss in Multimode and Single Mode Fiber Optic Cable ...

Страница 95: ...single wavelength of light which travels in a straight line through the single mode fiber Compared with multimode fiber single mode fiber has higher bandwidth and can carry signals for longer distances It is consequently more expensive For information about the maximum transmission distance and supported wavelength range for the types of single mode and multimode fiber optic cable used by PICs on ...

Страница 96: ... 3 and International Telecommunications Union ITU document G 957 When chromatic dispersion is at the maximum allowed its effect can be considered as a power penalty in the power budget The optical power budget must allow for the sum of component attenuation power penalties including those from dispersion and a safety margin for unexpected losses For more information about power budget see Calculat...

Страница 97: ...ations For information about the actual amount of signal loss caused by equipment and other factors refer to vendor documentation Table 18 Estimated Values for Factors Causing Link Loss Link Loss Factor Estimated Link Loss Value Higher order mode losses Single mode None Multimode 0 5 dB Modal and chromatic dispersion Single mode None Multimode None if product of bandwidth and distance is less than...

Страница 98: ... reach can transmit enough power to saturate the receivers on PICs that have a shorter reach Specifically LR interfaces can saturate IR PICs and both IR and LR interfaces can saturate SR PICs Interfaces in the same reach class can also saturate one another To prevent saturation you might need to attenuate power at the PIC receiver particularly if you know that it has a shorter reach than the inter...

Страница 99: ...erface Category 5 cable or equivalent suitable for 100BaseT operation One 15 ft 4 57 m length with RJ 45 RJ 45 connectors 328 ft 100 m RJ 45 autosensing Alarm relay contacts Wire with gauge between 24 AWG and 12 AWG 0 20 and 3 33 mm2 No None Site Preparation Checklist The checklist in Table 20 summarizes the tasks you need to perform when preparing a site for router installation Table 20 Site Prep...

Страница 100: ...M160 Internet Router Hardware Guide Item or Task Performed By Date Notes Locate sites for connection of system grounding Calculate power budget and power margin 76 Site Preparation Checklist ...

Страница 101: ...u need the following tools Phillips screwdriver number 2 1 2 in or 13 mm open end or socket wrench to remove bracket bolts from the shipping pallet Blank panels to cover any slots not occupied by a component Unpacking the Router The router is shipped in a wooden crate and bolted to the pallet that forms the bottom of the crate The crate also contains an accessory box the handle used during manual ...

Страница 102: ...essory box and verify the contents against the parts inventory on the label attached to the box 7 Verify the chassis components received against the packing list included with the router A generic parts inventory appears in Table 21 8 Use a 1 2 in open end or socket wrench to loosen and remove the bolts on the brackets that attach the chassis to the pallet If a 1 2 in tool is not available use pli...

Страница 103: ...raft interface 1 FPC with one or more PICs installed Up to 8 PIC Up to 4 per FPC CIP 1 Front fan tray with 4 fans and cable management system 1 Midplane 1 Rear upper impeller assembly 1 SFM 4 MCS 1 or 2 Routing Engine 1 or 2 PCG 2 Rear lower impeller assembly 1 Circuit breaker box 1 Power supply 2 Center mounting brackets 2 Blank panels for slots without components Varies depending on router confi...

Страница 104: ...M160 Internet Router Hardware Guide 80 Unpacking the Router ...

Страница 105: ...g tools and parts Mechanical lift 5 32 in Allen hexagonal wrench for tightening the mounting screws provided in the accessory box do not substitute a metric size wrench Phillips screwdrivers numbers 1 and 2 if removing center mounting brackets or installing rear support shelf Installing the Chassis Using a Mechanical Lift Using a mechanical lift to maneuver the router into the rack is recommended ...

Страница 106: ...om each side of the chassis Also we recommend installing a shelf or other support for the rear of the chassis 2 Load the router onto the lift making sure it rests securely on the lift platform 3 Use the lift to position the router at the correct height in the rack 4 Align the bottom hole in both front support posts or center mounting brackets with a hole in each rack rail making sure the chassis i...

Страница 107: ...s weight is approximately 115 lb 52 kg so installing it safely still requires three people to lift and another person to insert the mounting screws Table 22 lists the weight of the chassis and major components Table 22 Router Component Weights Component Approximate Weight lb Approximate Weight kg Air filter 2 0 9 Cable management system 1 0 5 Chassis with midplane CIP and circuit breaker box or pa...

Страница 108: ... in the following sections Tools and Parts Required on page 84 Removing Components from the Chassis on page 84 Installing the Chassis into the Rack on page 97 Reinstalling Components into the Chassis on page 99 Tools and Parts Required To install the chassis without using a mechanical lift you need the following tools and parts Phillips screwdrivers numbers 1 and 2 Flat blade screwdriver approxima...

Страница 109: ...om the installation site that they will not be in the way as you lift the chassis into the rack Perform the procedures described in the following sections to remove components from the chassis first from the rear and then from the front Removing the Power Supplies on page 86 Removing the Rear Component Cover on page 86 Removing the SFMs on page 87 Removing the MCSs on page 88 Removing the PCGs on ...

Страница 110: ...crew at each corner of the power supply faceplate using a Phillips screwdriver if necessary 4 Grasp the handle or handles on the power supply faceplate and pull firmly to slide the unit about halfway out of the chassis 5 Place one hand under the power supply to support it then slide it completely out of the chassis 6 Repeat the procedure to remove the second power supply Figure 32 Removing a Power...

Страница 111: ...s Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 3 Loosen the thumbscrew on each ejector locking tab shown in Figure 8 using a Phillips screwdriver if necessary 4 Pull the end of each ejector handle outward until it is nearly perpendicular to the SFM faceplate 5 Grasp the ejector handles and pull fi...

Страница 112: ...unding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 3 Push the end of each extractor clip located at each end of the MCS outward 4 Grasp the extractor clips and slide the MCS about halfway out of the chassis 5 P...

Страница 113: ...ne of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 3 Loosen the thumbscrew at the lower right corner of the PCG faceplate using a Phillips screwdriver if necessary 4 Grasp the thumbscrew and slide the PCG about halfway out of the chassis CAUTION Be careful to slide th...

Страница 114: ...e ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 3 Using your thumbs push and hold the red tab on each extractor clip toward the outer edge of the unit Push the ends of the extractor clips outward to unseat the Routing Engine from the chassis 4 Grasp the extractor clips and...

Страница 115: ...bly follow this procedure see Figure 37 and Figure 38 which show the two types of impeller that can be installed 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 L...

Страница 116: ...weighs approximately 5 lb 2 3 kg To remove the rear lower impeller assembly follow this procedure see Figure 39 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Lo...

Страница 117: ... and weighs approximately 13 lb 5 9 kg To remove the fan tray follow this procedure see Figure 40 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Loosen the thumb...

Страница 118: ...work systematically the following procedure directs you to remove FPCs starting at the left side of the card cage and working toward the right You can remove FPCs in any order however As you remove each FPC label it with its slot number and record the relevant information in the checklist in Table 23 Table 23 FPC Removal Checklist Slot Media Types Date Removed Date Reinstalled 0 1 2 3 4 5 6 7 To r...

Страница 119: ...f the ejector levers which are adjacent to the thumbscrews away from the face of the FPC until they are nearly perpendicular to it c Grasp the top and bottom flanges of the card carrier and slide the FPC about halfway out of the card cage d Place one hand around the front of the FPC the PIC housing and the other hand under it to support it Slide the FPC completely out of the chassis and place it o...

Страница 120: ...ront impeller assembly follow this procedure see Figure 42 1 Place an electrostatic bag or antistatic mat on a flat stable surface 2 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Dama...

Страница 121: ...e rack CAUTION The reduced weight of the chassis is approximately 115 lb 52 kg Installing it into the rack still requires three people to lift and an additional person to secure the mounting screws If you are installing multiple routers in a rack install the lowest one first and proceed upward Perform the following procedures see Figure 44 1 If you are front mounting the router remove the center m...

Страница 122: ...straight and lift with your legs not your back Avoid twisting your body as you lift Balance the load evenly and be sure that your footing is solid 5 Align the bottom hole in both front support posts or center mounting brackets with a hole in each rack rail making sure the chassis is level 6 Install one of the mounting screws provided into each of the two aligned holes Use a 5 32 in Allen wrench to...

Страница 123: ...hassis After you have mounted the chassis in the rack as described in Installing the Chassis into the Rack on page 97 reinstall the router components into the chassis WARNING The procedures in this section apply only to initial installation and assume that you have not yet connected power to the router If power is connected completely disconnect it before continuing See Disconnecting Power from th...

Страница 124: ...g the Rear Component Cover on page 109 Reinstalling the Power Supplies on page 109 Reinstalling the Front Impeller Assembly The front impeller assembly which includes the craft interface is located at the top of the chassis front as shown in Figure 1 To reinstall it follow this procedure see Figure 45 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap ...

Страница 125: ...ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Locate the leftmost slot in the FPC card cage on the front of the chassis It is directly below the offline button on the craft interface that is label...

Страница 126: ...d of the FPC to seat the FPC securely in the chassis 8 Repeat the procedure for each FPC proceeding from left to right through the slots with offline buttons labeled FPC1 through FPC7 on the craft interface Figure 46 Reinstalling an FPC 1193 R Ejector levers Reinstalling the Fan Tray The fan tray which includes the cable management system is located on the front of the chassis just above the air f...

Страница 127: ...mbly The rear lower impeller assembly is located to the left of the circuit breaker box on the rear of the chassis as shown in Figure 2 To reinstall it follow this procedure see Figure 48 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more informat...

Страница 128: ...e 49 and Figure 50 which show the two types of impeller that can be installed 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Slide the assembly all the way into ...

Страница 129: ...e chassis as shown in Figure 3 NOTE If two Routing Engines are installed they must both be the same version To reinstall a Routing Engine follow this procedure see Figure 51 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD ...

Страница 130: ...and slide it in completely CAUTION Align the Routing Engine carefully with the guide rails and push it in evenly Damage can result if it gets lodged in the rails because of uneven movement 5 Press the extractor clip at each end of the Routing Engine inward to seat the unit firmly in the chassis If there is a second Routing Engine repeat the procedure to reinstall it Figure 51 Reinstalling a Routin...

Страница 131: ...y in the chassis 5 Repeat the procedure to reinstall the second PCG Figure 52 Reinstalling a PCG 1930 PCG 0 SFM 0 SFM 1 MCS 0 RE 0 RE 1 MCS 1 PCG 1 Reinstalling the MCSs The router can have an MCS in each of the slots labeled MCS 0 and MCS 1 at the rear of the chassis as shown in Figure 3 To reinstall an MCS follow this procedure see Figure 53 1 Attach an electrostatic discharge ESD grounding stra...

Страница 132: ...strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Verify that the ends of the ejector handles are pulled outward to a position nearly perpendicular to the faceplate of the SFM 3 Place one hand under the SFM to supp...

Страница 133: ...uter is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Hold the component cover up to the rear of the chassis and align the flanges at the top and bottom with the top and bottom of the opening in the chassis 3 Push the cover into place 4 Tighten the thumbscrew at each corner of the cover CAUTION To maintain proper airflo...

Страница 134: ...The switches are on the circuit breaker box 3 Place one hand under the power supply and grasp a handle on the faceplate with the other hand Slide the power supply into the chassis until it contacts the midplane 4 Starting with the bottom screws tighten but do not overtighten the thumbscrew at each corner of the power supply faceplate 5 Repeat the procedure to reinstall the second power supply 6 To...

Страница 135: ...onnecting the Router to Management and Alarm Devices on page 112 Connecting PIC Cables on page 115 Providing Power to the Router on page 117 Configuring the JUNOS Internet Software on page 121 Tools and Parts Required To connect the router to management devices and PICs and to power on the router you need the following tools and parts Phillips screwdrivers numbers 1 and 2 2 5 mm flat blade screwdr...

Страница 136: ...ing wrist strap Connecting the Router to Management and Alarm Devices After you have installed the router into the rack attach one or more external devices to the ports on the CIP that connect to the Routing Engines for management and service operations see Figure 56 For specifications for the cable accepted by the Routing Engine management ports see Routing Engine Interface Cable and Wire Specifi...

Страница 137: ...ELLOW ALARM LINK 1204 Alarm relay contacts BITS input ports Routing Engine ports NC C NO NC C NO To connect external devices to the Routing Engine management ports perform the procedures described in the following sections Connecting to a Network for Out of Band Management on page 114 Connecting to a Management Console or Auxiliary Device on page 114 Connecting to an External Alarm Reporting Devic...

Страница 138: ... console to configure and manage the Routing Engine connect it to the appropriate CONSOLE port on the CIP To use a laptop modem or other auxiliary device connect it to the appropriate AUXILIARY port on the CIP Both ports accept an RS 232 EIA 232 serial cable with DB 9 DB 9 connectors One such cable is provided with the router If you want to connect a device to both ports you must supply another ca...

Страница 139: ...2 While the terminal block is not plugged into the relay contact use a 2 5 mm flat blade screwdriver to loosen the small screws on its side Insert wires into the slots in the front of the block Tighten the screws to secure the wire 3 Orient the terminal block according to the labels to the left of the appropriate relay contact NC means normally closed C means common and NO means normally open 4 Pl...

Страница 140: ...on the PIC faceplate 4 Arrange the cable in the cable management system to prevent it from dislodging or developing stress points Secure the cable so that it is not supporting its own weight as it hangs to the floor Place excess cable out of the way in a neatly coiled loop in the cable management system Placing fasteners on the loop helps to maintain its shape CAUTION Avoid bending fiber optic cab...

Страница 141: ...eaker box Power and grounding cables are not supplied with the router For cable specifications see Power Connection and Cable Specifications on page 67 NOTE The router must be connected to at least two separate external power sources CAUTION There is no standard color coding for DC power cables The color coding used by the external DC power source at your site determines the color coding for the l...

Страница 142: ...at screw into the grounding points screws other than 1 4 20 UNC screws can strip the threading in the grounding points 7 Using a Phillips screwdriver loosen and remove the screws securing the protective shield over the terminal studs on the circuit breaker box Remove the cover 8 Install one flat washer and one nut in that order on each power terminal stud If no washers and nuts are already install...

Страница 143: ...e grounding cabling are correct that they are not touching or blocking access to router components and that they do not drape where people could trip on them 12 Replace the protective shield over the terminal studs and use a Phillips screwdriver to tighten the screws Figure 60 Connecting Power and Grounding Cables g001226 Terminal studs Cable lug Flat washer Flat washer To ground Nut Nut Grounding...

Страница 144: ...before turning it back on After powering on a power supply wait at least 60 seconds before turning it off If the router is completely powered down when you power on the power supply the Routing Engine boots as the power supply completes its startup sequence If the Routing Engine finishes booting and you need to power down the router again first issue the CLI request system halt command For more in...

Страница 145: ... line interface CLI commands either on a console device attached to the CONSOLE port on the CIP or over a telnet connection to a network connected to the ETHERNET port on the CIP Gather the following information before configuring the router Name the router will use on the network Domain name the router will use IP address and prefix length information for the Ethernet interface IP address of a de...

Страница 146: ... authentication password by entering either a clear text password an encrypted password or an ssh public key string DSA or RSA edit root set system root authentication plain text password New password password Retype new password password or edit root set system root authentication encrypted password encrypted password or edit root set system root authentication ssh dsa public key or edit root set...

Страница 147: ...tivate it on the router edit root commit 13 Optionally configure additional properties by adding the necessary configuration statements Then commit the changes to activate them on the router edit root host commit 14 When you have finished configuring the router exit configuration mode edit root host exit root host Configuring the JUNOS Internet Software 123 ...

Страница 148: ...M160 Internet Router Hardware Guide 124 Configuring the JUNOS Internet Software ...

Страница 149: ...ment and Troubleshooting Procedures Maintaining Hardware Components on page 127 Replacing Hardware Components on page 139 Troubleshooting Hardware Components on page 207 Hardware Maintenance Replacement and Troubleshooting Procedures 125 ...

Страница 150: ...126 Hardware Maintenance Replacement and Troubleshooting Procedures ...

Страница 151: ...um router performance perform the following preventive maintenance procedures regularly Inspect the installation site for moisture loose wires or cables and excessive dust Make sure that airflow is unobstructed around the router and into the air intake vents Check the status reporting devices on the craft interface system alarms LEDs and LCD See Craft Interface on page 27 Inspect the air filters a...

Страница 152: ...s Removing the Air Filter on page 128 Cleaning the Air Filter on page 129 Installing the Air Filter on page 129 Removing the Air Filter The air filter is located at the front of the chassis below the FPC card cage and cable management system see Figure 61 To remove the air filter follow this procedure 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap ...

Страница 153: ...e front side to help remove dust and particles accumulated in the filter 3 Allow the filter to dry completely 4 Press the filter back into the air filter cover Figure 62 Removing the Filter from the Air Filter Cover 1235 Air filter Air filter cover Installing the Air Filter To install the air filter follow this procedure see Figure 63 1 Attach an electrostatic discharge ESD grounding strap to your...

Страница 154: ...in Figure 1 and works together with the fan tray to cool the FPCs and midplane The upper and lower impellers on the rear of the chassis shown in Figure 2 work together to cool the components that install into the rear of the chassis To check the status of the impellers and the fans in the fan tray issue the show chassis environment command The output includes an entry for each impeller which it re...

Страница 155: ...ng normally The ONLINE LED also lights for the standby host module if it is installed For more information about the LEDs and LCD see Craft Interface on page 27 Issue the CLI show chassis routing engine command to check the status of the Routing Engines As shown in the sample output the master Routing Engine is designated Master in the Current state field user host show chassis routing engine Rout...

Страница 156: ...0 V 4971 mV 12 0 V 11770 mV 5 0 V bias 4989 mV 8 0 V bias 8246 mV BUS Revision 12 FPGA Revision 13 MCS 1 status State Online Standby Temperature 51 degrees C 123 degrees F Power 3 3V 3316 mV 5 0 V 5001 mV 12 0 V 11775 mV 5 0 V bias 5001 mV 8 0 V bias 8249 mV BUS Revision 12 FPGA Revision 13 For further description of the output from the commands see the JUNOS Internet Software Operational Mode Com...

Страница 157: ...errupt DRAM MB Heap Buffer 0 Online 37 4 0 32 1 39 1 Online 39 4 0 32 1 39 2 Empty 3 Online 34 1 0 32 1 40 4 Empty 5 Online 35 4 0 32 2 40 6 Online 36 4 0 32 1 39 7 Empty For more detailed output add the detail option The following example also specifies a slot number 0 which is optional user host show chassis fpc detail 0 Slot 0 information State Online Temperature 37 degrees C 98 degrees F Total...

Страница 158: ...Online PIC 0 1x OC 12 SONET MM PIC 1 1x OC 12 ATM MM PIC 2 2x OC 3 ATM MM PIC 3 2x OC 3 ATM MM For further description of the output from the command see the JUNOS Protocols Class of Service and System Basics Command Reference Use the cable management system shown in Figure 21 to support cables and prevent cables from dislodging or developing stress points Place excess cable out of the way in the ...

Страница 159: ...ctor could cause loss of light reducing signal power and possibly causing intermittent problems with the optical connection To clean the transceivers use an appropriate fiber cleaning device such as RIFOCS Fiber Optic Adaptor Cleaning Wands part number 946 Follow the directions for the cleaning kit you use After you have cleaned the transceiver on the fiber optic PIC make sure that the connector t...

Страница 160: ...h of the slots labeled SFM 0 through SFM 3 at the rear of the chassis as shown in Figure 3 To maintain the SFMs perform the following procedures regularly Check the LEDs on the SFM faceplates The green LED labeled OK lights steadily when an SFM is functioning normally For more information see SFM Components on page 20 Issue the CLI show chassis sfm command to check the status of the SFMs The follo...

Страница 161: ...A power supply is functioning correctly when the green LED labeled CB ON is lit steadily indicating that the circuit breaker is switched on and the blue LED labeled OUTPUT OK is lit steadily indicating that the supply is receiving power from the DC source If these LEDs are blinking or other LEDs are lit there could be an error condition For a summary of LED states see Power Supply on page 36 Issue...

Страница 162: ...wing CLI command user host show chassis alarms For a list of possible alarm messages see Chassis and Interface Alarm Messages on page 209 Verify that the power source has the proper current rating and that each power supply is connected to a separate power source Verify that the cable or cord connecting the power supply to the external power source is securely in place and that there is no moistur...

Страница 163: ...ustomer Support and Returning Hardware on page 255 For a list of the FRUs on the M160 router see Field Replaceable Units FRUs on page 4 Tools and Parts Required on page 139 Replacing the CIP and Routing Engine Interface Port Cables on page 141 Replacing Cooling System Components on page 148 Replacing Host Module Components on page 159 Replacing Packet Forwarding Engine Components on page 169 Repla...

Страница 164: ...y 1 4 in 6 mm Craft interface Front impeller assembly Phillips screwdrivers numbers 1 and 2 Air filter CIP Circuit breaker box Craft interface DC power cables to remove protective shield over circuit breaker box Fan tray Fuse to remove rear lower impeller assembly Impeller assembly PCG PIC Power supply Routing Engine SFM 7 16 in hexagonal head external drive socket wrench or nut driver with a mini...

Страница 165: ...re that connect to the Routing Engine interface ports are hot removable and hot insertable To replace the CIP and cables connecting to the Routing Engine interface ports perform the following procedures Removing the CIP on page 141 Installing the CIP on page 143 Replacing Connections to Routing Engine Interface Ports on page 145 Removing the CIP To remove the CIP follow this procedure see Figure 6...

Страница 166: ...ion about ESD see Preventing Electrostatic Discharge Damage on page 226 5 Disconnect any external devices connected to the CIP For instructions see Replacing the Management Ethernet Cable on page 146 Replacing the Console or Auxiliary Cable on page 146 and Replace Alarm Relay Wires on page 147 6 Using a Phillips screwdriver loosen and remove the screw at each end of the CIP faceplate 7 Grasp the C...

Страница 167: ...to the guides at the top and bottom of the CIP slot which is located to the left of the FPC card cage NOTE The components on the CIP are on the left side of the board unlike the components of an FPC which are on the right side Verify that the components are on the left before inserting the CIP 3 Slide the CIP into the chassis until it contacts the midplane Replacing the CIP and Routing Engine Inte...

Страница 168: ...the Routing Engine ports on the CIP AUXILIARY CONSOLE or ETHERNET Also reattach alarm relay contacts if desired For instructions see Replacing the Management Ethernet Cable on page 146 Replacing the Console or Auxiliary Cable on page 146 and Replace Alarm Relay Wires on page 147 6 Power on the router and verify correct startup by performing the procedures in Powering On the Router on page 119 Figu...

Страница 169: ...EL 10Mb GRN 100Mb ACT ETHERNET ETHERNET CONSOLE CONSOLE AUXILIARY AUXILIARY HOST 1 YEL 10Mb GRN 100Mb ACT BITS A BITS B LINK RED ALARM YELLOW ALARM LINK 1204 Alarm relay contacts BITS input ports Routing Engine ports NC C NO NC C NO To replace the cables that connect to the ports perform the procedures described in the following sections Replacing the Management Ethernet Cable on page 146 Replacin...

Страница 170: ...OST 0 connect to the Routing Engine in the upper Routing Engine slot RE 0 and the ports labeled HOST 1 connect to the Routing Engine in the lower Routing Engine slot RE 1 3 Plug the other end of the cable into the network device Figure 67 Ethernet Cable Connector g001063 Replacing the Console or Auxiliary Cable To use a system console to configure and manage the Routing Engine connect it to the ap...

Страница 171: ...contacts on the CIP A system condition that triggers the red or yellow alarm LED on the craft interface also activates the corresponding alarm relay contact The terminal blocks that plug into the alarm relay contacts are supplied with the router They accept wire of any gauge between 24 AWG and 12 AWG 0 20 and 3 33 mm2 which is not provided Use the gauge of wire appropriate for the external device ...

Страница 172: ... 156 Replacing the Fan Tray To replace the fan tray perform the following procedures Removing the Fan Tray on page 148 Installing the Fan Tray on page 149 Removing the Fan Tray The fan tray is located behind the cable management system on the front of the chassis as shown in Figure 1 It weighs approximately 13 lb 5 9 kg To remove the fan tray follow this procedure see Figure 69 1 Unwrap any PIC ca...

Страница 173: ...ssis CAUTION To avoid injury keep tools and your fingers away from the fans as you slide the fan tray out of the chassis The fans might still be spinning 5 Place one hand under the fan tray to support it and slide the tray completely out of the chassis after the fans stop spinning Figure 69 Removing the Fan Tray 1936 Installing the Fan Tray To install the fan tray follow this procedure see Figure ...

Страница 174: ...0 Installing the Fan Tray 1937 Replacing the Front Impeller Assembly The front impeller assembly which includes the craft interface is located at the front of the chassis above the FPC card cage as shown in Figure 1 The assembly weighs approximately 14 5 lb 6 6 kg The assembly is hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 The craft interface is attached...

Страница 175: ...harge Damage on page 226 3 Using a Phillips screwdriver loosen the captive screw at each corner of the craft interface 4 Insert a flat blade screwdriver into the gap around the craft interface and gently pry the impeller assembly forward until you can grasp the sides of the assembly and slide it halfway out of the chassis CAUTION To avoid injury as you slide the assembly out of the chassis do not ...

Страница 176: ...see Preventing Electrostatic Discharge Damage on page 226 2 Place the removed and replacement impeller assemblies top side up on antistatic mats 3 If not immediately transferring the craft interface panel to the replacement assembly place an antistatic mat or electrostatic bag on a flat stable surface to receive it 4 Using a Phillips screwdriver remove the screws from the three semicircular metal ...

Страница 177: ...ch the craft interface to the front impeller assembly follow this procedure 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Place the replacement impeller assembl...

Страница 178: ...ach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Grasp the sides of the impeller assembly and align the rear of the assembly with the guides inside the chassis 3 Slide ...

Страница 179: ...rth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Loosen the thumbscrew at each corner of the impeller cover using a Phillips screwdriver if necessary 3 Grasp the thumbscrews at opposite corners of the impeller cover and slide the assembly halfway out of the chassis CAUTION To avoid injury as you slide the assembly out of the chassis do not touch...

Страница 180: ...up and to the right to start it into the chassis then slide it all the way in 4 Tighten the thumbscrew at each corner of the impeller cover Figure 76 Installing the Rear Lower Impeller Assembly 1915 Rails Guides Label Replacing the Rear Upper Impeller Assembly The rear upper impeller assembly is located at the upper left of the rear of the chassis as shown in Figure 2 It weighs about 4 lb 1 8 kg T...

Страница 181: ...about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Loosen the thumbscrew at each corner of the impeller cover using a Phillips screwdriver if necessary 3 Grasp the thumbscrews at opposite corners of the impeller cover and slide the assembly halfway out of the chassis CAUTION To avoid injury as you slide the assembly out of the chassis do not touch any part of the impeller behind...

Страница 182: ... Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 2 Slide the assembly all the way into the chassis 3 Tighten the thumbscrew at each corner of the impeller cover Figur...

Страница 183: ... of the effect of removing an MCS see Host Module on page 22 To replace an MCS perform the following procedures Removing an MCS on page 159 Installing an MCS on page 161 Removing an MCS To remove an MCS follow this procedure see Figure 81 1 Place an electrostatic bag or antistatic mat on a flat stable surface 2 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect th...

Страница 184: ...mmediately assumes Routing Engine functions and there is no interruption to packet forwarding Otherwise packet forwarding halts while the standby Routing Engine becomes the master and the Packet Forwarding Engine components reset and connect to the new master Routing Engine For information about configuring graceful switchover see the section about Routing Engine redundancy in the JUNOS System Bas...

Страница 185: ... of each extractor clip located at each end of the MCS outward 8 Grasp the extractor clips and slide the MCS about halfway out of the chassis 9 Place one hand under the MCS to support it slide it completely out of the chassis and place it on the antistatic mat or in the electrostatic bag Figure 81 Removing an MCS PCG 0 SFM 0 SFM 1 MCS 0 RE 0 1928 Extractor clip Installing an MCS To install an MCS ...

Страница 186: ... lit for the host module to which the MCS belongs Figure 11 shows the LEDs You can also verify correct MCS functioning by issuing the show chassis environment mcs command described in Maintaining Host Module Components on page 131 6 Reinstall the rear component cover and tighten the thumbscrew at each corner to secure it to the chassis For complete instructions see Reinstalling the Rear Component ...

Страница 187: ...ngine might differ from the figures in this section These differences do not affect Routing Engine installation and removal or functionality NOTE The software on a PCMCIA card is loaded only onto the Routing Engine into which the PCMCIA card is inserted It is not automatically copied to the other Routing Engine To remove and insert a PC card perform the following procedures Removing the PC Card on...

Страница 188: ... into the slot 2 Press the card firmly all the way into the slot Note that the PC card slot might be located in a different position from that shown in Figure 84 3 Reinstall the rear component cover and tighten the thumbscrew at each corner to secure it to the chassis For complete instructions see Reinstalling the Rear Component Cover on page 109 CAUTION To maintain proper airflow and provide elec...

Страница 189: ... antistatic mat on a flat stable surface 2 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 3 Remove the rear component cover by loosening the thumbscrew at each corne...

Страница 190: ...e section about Routing Engine redundancy in the JUNOS System Basics Configuration Guide NOTE Router performance might change if the standby Routing Engine s configuration differs from the former master s configuration For the most predictable performance configure the two Routing Engines identically except for parameters unique to a Routing Engine such as the hostname defined at the edit system h...

Страница 191: ...e extractor clips outward to unseat the Routing Engine from the chassis 8 Grasp the extractor clips and slide the unit about halfway out of the chassis CAUTION Slide the Routing Engine straight out of the chassis Damage can result if it gets lodged because of uneven movement 9 Place one hand under the Routing Engine to support it slide it completely out of the chassis and place it on the antistati...

Страница 192: ...Align the rear of the Routing Engine with the guide rails inside the chassis and slide it in completely CAUTION Align the Routing Engine carefully with the guide rails and push it in evenly Damage can result if it gets lodged in the rails because of uneven movement 5 Press the extractor clip at each end of the Routing Engine inward to seat the unit firmly in the chassis 6 Check the host module LED...

Страница 193: ... 176 Replacing a PIC on page 179 Replace PIC Cables on page 185 Replacing an SFM on page 188 Replace an SFP on page 190 Replacing an FPC FPCs are hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 When you remove an FPC forwarding operations halt for about 200 ms while the Packet Forwarding Engine flushes the shared memory buffers on the remaining FPCs To repla...

Страница 194: ...ne Press and hold the FPC offline button The green OK LED next to the button begins to blink Hold the button down until the LED goes out The LEDS and offline button for each FPC are located directly above it on the craft interface Issue the following CLI command user host request chassis fpc slot slot number offline For more information about the command see the JUNOS Internet Software Operational...

Страница 195: ... electrostatic bag 7 Loosen the thumbscrew at each end of the FPC using a Phillips screwdriver if necessary 8 Pull the ends of the ejector levers which are adjacent to the thumbscrews away from the face of the FPC until they are nearly perpendicular to it 9 Grasp the top and bottom flanges of the card carrier and slide the FPC about halfway out of the card cage 10 Place one hand around the front o...

Страница 196: ... 30 seconds before reinserting it removing an FPC from a different slot or inserting an FPC into a different slot Figure 87 Removing an FPC 1191 R Offline button Ejector levers Installing an FPC To install an FPC follow this procedure see Figure 88 and Figure 89 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis ...

Страница 197: ...fferent PICs in the FPC follow this procedure for each one a If the PIC uses fiber optic cable verify that there is a rubber safety cap over each transceiver on the faceplate Install a cap if necessary b Slide the PIC into a slot in the FPC aligning the notches in the connector at the rear of the PIC with the notches in the FPC slot and then firmly pushing the PIC into place CAUTION Insert the PIC...

Страница 198: ...ne button until the green OK LED next to the button lights steadily in about 5 seconds The LEDS and offline button for each FPC are located directly above it on the craft interface Issue the following CLI command user host request chassis fpc slot slot number online For more information about the command see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service ...

Страница 199: ...unctioning by issuing the show chassis fpc and show chassis fpc pic status commands described in Maintaining FPCs on page 133 and Maintaining PICs and PIC Cables on page 134 Figure 88 Installing an FPC 1193 R Ejector levers Replacing Packet Forwarding Engine Components 175 ...

Страница 200: ...he chassis however the Packet Forwarding Engine resets so that the components start using the signal from the other PCG which becomes the master Packet forwarding halts while there is no clock signal because the Packet Forwarding Engine does not accept incoming packets To replace a PCG perform the following procedures Removing a PCG on page 176 Installing a PCG on page 178 Removing a PCG To remove...

Страница 201: ...ing the clock signal from the other PCG which becomes the master For more information see Replacing a PCG on page 176 5 Loosen the thumbscrew at the lower right corner of the PCG faceplate using a Phillips screwdriver if necessary 6 Grasp the thumbscrew and slide the PCG about halfway out of the chassis CAUTION Be careful to slide the PCG straight out of the chassis to avoid bending any of the pin...

Страница 202: ...uides inside the chassis and slide it in completely 4 Tighten the thumbscrew on the faceplate to seat the PCG firmly in the chassis 5 Verify that the green LED labeled OK lights steadily which takes about 3 seconds You can also verify correct PCG functioning by issuing the show chassis environment pcg command as described in Maintaining the PCGs on page 135 6 Reinstall the rear component cover and...

Страница 203: ...g a PIC To remove a PIC follow this procedure see Figure 92 1 Place an electrostatic bag or antistatic mat on a flat stable surface to receive the PIC If the PIC connects to fiber optic cable have ready a rubber safety cap for each transceiver and cable 2 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure...

Страница 204: ... ends of fiber optic cables or into the transceivers on the interface faceplate Single mode fiber optic cable and the interfaces that use it such as ATM and SONET SDH interfaces emit laser light that can damage your eyes CAUTION Do not leave a fiber optic transceiver uncovered except when inserting or removing cable The safety cap keeps the port clean and prevents accidental exposure to laser ligh...

Страница 205: ... time install a blank PIC panel over the slot to maintain proper airflow in the FPC card cage Figure 92 Removing a PIC 1913 R Installing a PIC To install a PIC follow this procedure see Figure 93 and Figure 94 1 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth gr...

Страница 206: ...ARNING Do not look directly into the ends of fiber optic cables or into the transceivers on the interface faceplate Single mode fiber optic cable and the interfaces that use it such as ATM and SONET SDH interfaces emit laser light that can damage your eyes CAUTION Do not leave a fiber optic transceiver uncovered except when inserting or removing cable The safety cap keeps the port clean and preven...

Страница 207: ...C Guide For the PICs that install on an FPC1 the offline button for each PIC is next to it on the FPC card carrier For the PICs that install on an FPC2 the offline button is on the PIC faceplate See Figure 6 Issue the following CLI command user host request chassis pic fpc slot fpc slot pic slot pic slot online For more information about the command see the JUNOS Protocols Class of Service and Sys...

Страница 208: ...M160 Internet Router Hardware Guide Figure 93 Installing a PIC 1912 R Figure 94 Connecting Fiber Optic Cable to a PIC R 1239 184 Replacing Packet Forwarding Engine Components ...

Страница 209: ... information see the M160 Internet Router PIC Guide For the PICs that install on an FPC1 the offline button for each PIC is next to it on the FPC card carrier For the PICs that install on an FPC2 the offline button is on the PIC faceplate See Figure 6 Issue the following CLI command user host request chassis pic fpc slot fpc slot pic slot pic slot offline For more information about the command see...

Страница 210: ...nd the interfaces that use it such as ATM and SONET SDH interfaces emit laser light that can damage your eyes CAUTION Do not leave a fiber optic transceiver uncovered except when inserting or removing cable The safety cap keeps the port clean and prevents accidental exposure to laser light 3 Insert the cable connector into the cable connector port on the PIC faceplate 4 Arrange the cable in the ca...

Страница 211: ...e information see the M160 Internet Router PIC Guide For the PICs that install on an FPC1 the offline button for each PIC is next to it on the FPC card carrier For the PICs that install on an FPC2 the offline button is on the PIC faceplate See Figure 6 Issue the following CLI command user host request chassis pic fpc slot fpc slot pic slot pic slot online For more information about the command see...

Страница 212: ...p to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 4 Press and hold the offline button on the SFM faceplate until the amber LED labeled FAIL lights in about 5 seconds 5 Loosen the thumbscrew on each ejector locking tab sh...

Страница 213: ...early perpendicular to the faceplate of the SFM 3 Place one hand under the SFM to support it and grasp one of the ejector handles at the front with the other hand 4 Align the rear of the SFM with the guides inside the chassis and slide it in completely 5 Press the ejector handle at each end of the SFM inward 6 Tighten the thumbscrew on each ejector locking tab shown in Figure 8 to seat the SFM fir...

Страница 214: ...onnector SFPs are hot insertable and hot removable Removing an SFP does not interrupt PIC functioning but the removed SFP no longer receives or transmits data To replace an SFP perform the following procedures Removing an SFP on page 190 Installing an SFP on page 191 Removing an SFP To remove an SFP follow this procedure see Figure 98 1 Place an electrostatic bag or antistatic mat on a flat stable...

Страница 215: ...e The safety cap keeps the port clean and prevents accidental exposure to laser light 5 Arrange the cable in the cable management system to prevent it from dislodging or developing stress points Secure the cable so that it is not supporting its own weight as it hangs to the floor Place excess cable out of the way in a neatly coiled loop in the cable management system Placing fasteners on the loop ...

Страница 216: ...ection 5 Remove the rubber safety cap from the transceiver and the end of the cable and insert the cable into the transceiver WARNING Do not look directly into the ends of fiber optic cables or into the transceivers on the interface faceplate Single mode fiber optic cable and the interfaces that use it such as ATM and SONET SDH interfaces emit laser light that can damage your eyes CAUTION Do not l...

Страница 217: ...e following sections Replacing the Circuit Breaker Box on page 193 Replacing a Power Supply on page 197 Disconnecting and Connecting Power on page 200 Replacing a Fuse on page 204 Replacing the Circuit Breaker Box The circuit breaker box is field replaceable but you must power off the router before removing or replacing it To replace the circuit breaker box perform the following procedures Removin...

Страница 218: ...external power sources so that the voltage across the leads of the power cables is 0 V Ensure that there is no chance that the cable leads might become active during the procedure 4 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information abou...

Страница 219: ...eads of the power cables is 0 V Ensure that there is no chance that the cable leads might become active during the procedure 2 For each power supply verify that the power switch on the circuit breaker box is in the OFF O position 3 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached ...

Страница 220: ...5 10 Apply voltage from the DC power sources to the power cables so the router receives power 11 Press the switches on the circuit breaker box to the ON position 12 Confirm that the LEDs on the power supply faceplates indicate correct operation the green CB ON LED lights steadily the blue OUTPUT OK LED blinks briefly then lights steadily and the amber CB OFF LED does not light NOTE After powering ...

Страница 221: ...trical load for the router To replace a power supply perform the following procedures Removing a Power Supply on page 197 Installing a Power Supply on page 199 Removing a Power Supply The power supplies are located at the bottom rear of the chassis as shown in Figure 2 Each power supply weighs approximately 13 lb 5 9 kg CAUTION Do not leave a power supply slot empty for more than a short time whil...

Страница 222: ...or at least 60 seconds after powering it on 3 Shut off the power flowing to the power supply from the external power source so that the voltage across the leads of the power cables is 0 V Ensure that there is no chance that the cable leads might become active during the procedure 4 Loosen the thumbscrew at each corner of the power supply faceplate using a Phillips screwdriver if necessary 5 Grasp ...

Страница 223: ... chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge Damage on page 226 4 Place one hand under the power supply and grasp a handle on the faceplate with the other hand Slide the power supply into the chassis until it contacts the midplane 5 Starting with the bottom screws tighten but do not overtighten the thumbscr...

Страница 224: ...stalling a Power Supply g001919 Disconnecting and Connecting Power The power cables from the external power sources connect to terminal studs on the circuit breaker box located at the lower right rear of the chassis To disconnect or connect power to the router perform the following procedures Also follow these procedures when replacing the power cables grounding cable or both Disconnecting Power f...

Страница 225: ...driver loosen and remove the screws securing the protective shield over the terminal studs on the circuit breaker box Remove the cover 5 Using a 7 16 in nut driver or wrench loosen the outer nut securing the cable lug to each terminal stud Remove the outer nuts and washers leaving the inner nut and washer on each stud CAUTION Do not substitute a metric nut driver or wrench A tool that does not fit...

Страница 226: ...cable specifications see Power Connection and Cable Specifications on page 67 NOTE The router must be connected to at least two separate external power sources CAUTION There is no standard color coding for DC power cables The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the terminal studs on the circuit ...

Страница 227: ...rew into the grounding points screws other than 1 4 20 UNC screws can strip the threading in the grounding points 7 Using a Phillips screwdriver loosen and remove the screws securing the protective shield over the terminal studs on the circuit breaker box Remove the cover 8 Install one flat washer and one nut in that order on each power terminal stud If no washers and nuts are already installed th...

Страница 228: ...d the grounding cabling are correct that they are not touching or blocking access to router components and that they do not drape where people could trip on them 12 Replace the protective shield over the terminal studs and use a Phillips screwdriver to tighten the screws 13 Turn on the current from the power source so that voltage flows to the router Figure 105 Connecting Power and Grounding Cable...

Страница 229: ...ps labeled J241 through J243 in Figure 106 and side to side for a horizontally oriented fuse in the group labeled J240 If the cover slips off the fuse snap the cover back into place and begin again NOTE We recommend you use an insulated fuse removal tool to remove fuses 6 Remove the appropriate spare fuse from the group of fuses labeled J244 in Figure 106 The labels shown in the figure do not appe...

Страница 230: ...e required for an FPC Figure 106 Fuse Locations in the Fuse Box J240 A B C D J241 A B C D J244 A B C D J242 A B C D J243 A B C D MCS0 12A MCS1 12A SFM0 10A SFM1 10A SFM2 10A FPC4 15A FPC2 15A FPC1 15A FPC0 15A PCG0 1A 15A SFM3 10A SPARE 1A SPARE 10A SPARE 12A SPARE 15A FPC7 15A FPC6 15A FPC5 15A 1238 1A PCG1 FPC3 Table 25 Fuse Specifications Indicator Bulb Color Component Fuse Rating Quantity Loca...

Страница 231: ...nterface on page 207 LEDs on page 208 Chassis and Interface Alarm Messages on page 209 Blown Fuse Indicators on page 211 Juniper Networks Technical Assistance Center on page 212 Command Line Interface The JUNOS Internet software command line interface CLI is the primary tool for controlling and troubleshooting router hardware the JUNOS Internet software routing protocols and network connectivity C...

Страница 232: ...ace indicates a critical condition that can result in a system shutdown The triangular yellow alarm next to it indicates a less severe condition that requires monitoring or maintenance Both alarms can occur simultaneously When an alarm LED is lit the LCD describes the cause of the alarm For more information about the alarm LEDs see Alarm LEDs and Alarm Cutoff Lamp Test Button on page 28 For more i...

Страница 233: ...onents on page 20 Chassis and Interface Alarm Messages When the Routing Engine detects an alarm condition it lights the red or yellow alarm LED on the craft interface as appropriate trips the corresponding alarm relay contact on the CIP and reports the cause of the alarm in the craft interface LCD To view a more detailed description of the alarm cause issue the show chassis alarms CLI command user...

Страница 234: ...e 27 SONET SDH Interface Alarm Messages LCD Message CLI Message interface name so x x x BERR SD interface name so x x x SONET bit error rate defect interface name so x x x BERR SF interface name so x x x SONET bit error rate fault interface name so x x x LAIS interface name so x x x SONET line AIS interface name so x x x LOF interface name so x x x SONET loss of frame interface name so x x x LOL i...

Страница 235: ...box displays the same information Figure 107 Fuse Locations in the Fuse Box J240 A B C D J241 A B C D J244 A B C D J242 A B C D J243 A B C D MCS0 12A MCS1 12A SFM0 10A SFM1 10A SFM2 10A FPC4 15A FPC2 15A FPC1 15A FPC0 15A PCG0 1A 15A SFM3 10A SPARE 1A SPARE 10A SPARE 12A SPARE 15A FPC7 15A FPC6 15A FPC5 15A 1238 1A PCG1 FPC3 When a fuse has blown but the power supplies are still delivering power t...

Страница 236: ...e craft interface They cool the FPCs PICs and midplane See Figure 1 The rear subsystem include upper and lower impellers in the rear of the chassis They cool the SFMs host module PCGs and power supplies See Figure 2 The cooling system draws in room air through the air intake vent located at the front of the chassis below the cable management system After entering the chassis the air stream separat...

Страница 237: ...r more information about the source of an alarm condition user host show chassis alarms If the blue OUTPUT OK LED on an enhanced power supply or the amber NO AIRFLOW LED on an original power supply is blinking the airflow passing by the power supply might be insufficient Place your hand near the exhaust vents at the rear of the chassis to determine whether the impellers are expelling air If both p...

Страница 238: ...ilization Memory Utilization Slot State C Total Interrupt DRAM MB Heap Buffer 0 Online 37 4 0 32 1 39 1 Online 39 4 0 32 1 39 2 Empty 3 Online 34 1 0 32 1 40 4 Empty 5 Online 35 4 0 32 2 40 6 Online 36 4 0 32 1 39 7 Empty For more detailed output add the detail option The following example also specifies a slot number 0 which is optional user host show chassis fpc detail 0 Slot 0 information State...

Страница 239: ...ting the Power System The following LED states indicate that a power supply is functioning correctly On the enhanced power supply the green LED labeled CB ONand blue LED labeled OUTPUT OK are lit and the amber LED labeled CB OFF is not lit On the enhanced power supply the green LED labeled CB ONand blue LED labeled OUTPUT OK are lit and the amber LEDs labeled CB OFF and NO AIRFLOW are not lit If a...

Страница 240: ...k the red alarm LED on the craft interface If it is lit read the message on the craft interface LCD The display reports the number of alarm conditions and the source of each alarm as described in LCD Alarm Mode on page 30 For a list of messages see Chassis and Interface Alarm Messages on page 209 Issue the following CLI command for more information about the cause of an alarm condition user host s...

Страница 241: ...ry replacing the power cord or cable For instructions see Disconnecting and Connecting Power on page 200 you do not need to disconnect and reconnect the grounding cable 4 If you cannot determine the cause of the problem or need additional assistance see Juniper Networks Technical Assistance Center on page 212 Troubleshooting the Power System 217 ...

Страница 242: ...M160 Internet Router Hardware Guide 218 Troubleshooting the Power System ...

Страница 243: ...Part 4 Appendixes Safety and Regulatory Compliance Information on page 221 Contacting Customer Support and Returning Hardware on page 255 Cable Connector Pinouts on page 269 Appendixes 219 ...

Страница 244: ...220 Appendixes ...

Страница 245: ...otherwise overlook it CAUTION You need to observe the specified guidelines to avoid minor injury or discomfort to you or severe damage to the router WARNING This symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents Waarsch...

Страница 246: ...te delle pratiche standard per la prevenzione di incidenti Advarsel Dette varselsymbolet betyr fare Du befinner deg i en situasjon som kan føre til personskade Før du utfører arbeid på utstyr må du vare oppmerksom på de faremomentene som elektriske kretser innebærer samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker Aviso Este símbolo de aviso indica perigo Encontra se numa si...

Страница 247: ...fety Guidelines and Warnings on page 227 Installation Safety Guidelines and Warnings on page 239 Laser and LED Safety Guidelines and Warnings on page 244 Maintenance and Operational Safety Guidelines and Warnings on page 247 Safety Guidelines and Warnings 223 ...

Страница 248: ...ent unsafe Never attempt to lift an object that is too heavy for one person to handle Never install or manipulate wiring during electrical storms Never install electrical jacks in wet locations unless the jacks are specifically designed for wet environments Operate the router only when it is properly grounded Replace fuses only with fuses of the same type and rating Do not open or remove chassis c...

Страница 249: ...á ser instalado ou substituído apenas por pessoal devidamente treinado e qualificado Atención Estos equipos deben ser instalados y reemplazados exclusivamente por personal técnico adecuadamente preparado y capacitado Varning Denna utrustning ska endast installeras och bytas ut av utbildad och kvalificerad personal Restricted Access Area Warning WARNING The router is intended for installation in re...

Страница 250: ...heten er laget for installasjon i områder med begrenset adgang Et område med begrenset adgang gir kun adgang til servicepersonale som bruker et spesielt verktøy lås og nøkkel eller en annen sikkerhetsanordning og det kontrolleres av den autoriteten som er ansvarlig for området Aviso Esta unidade foi concebida para instalação em áreas de acesso restrito Uma área de acesso restrito é uma área à qual...

Страница 251: ...ctrostatic discharge points on the chassis which are shown in Figure 1 and Figure 2 Avoid contact between the component and your clothing ESD voltages emitted from clothing can still damage components When removing or installing a component always place it component side up on an antistatic surface in an antistatic card rack or in an electrostatic bag see Figure 108 If you are returning a componen...

Страница 252: ...d Warning on page 232 DC Power Wiring Sequence Warning on page 233 DC Power Wiring Terminations Warning on page 234 Grounded Equipment Warning on page 235 In Case of Electrical Accident on page 236 Midplane Energy Hazard Warning on page 236 Multiple Power Supplies Disconnection Warning on page 236 Power Disconnection Warning on page 237 TN Power Warning on page 238 228 Safety Guidelines and Warnin...

Страница 253: ... and missing safety grounds Operate the router within marked electrical ratings and product usage instructions For the router and peripheral equipment to function safely and correctly use the cables and connectors specified for the attached peripheral equipment and make certain they are in good condition Many router components can be removed and replaced without powering down or disconnecting powe...

Страница 254: ...ts in accordance with NEC ANSI NFPA70 Ensure that the polarity of the DC input wiring is correct Under certain conditions connections with reversed polarity might trip the primary circuit breaker or damage the equipment For personal safety connect the green and yellow wire to safety earth ground at both the router and the supply side of the DC wiring The marked input voltage of 48 VDC for DC power...

Страница 255: ...syy KATKAISTU asennossa Attention Avant de pratiquer l une quelconque des procédures ci dessous vérifier que le circuit en courant continu n est plus sous tension Pour en être sûr localiser le disjoncteur situé sur le panneau de service du circuit en courant continu placer le disjoncteur en position fermée OFF et à l aide d un ruban adhésif bloquer la poignée du disjoncteur en position OFF Warnung...

Страница 256: ...mskretsen och tejpa fast överspänningsskyddets omkopplare i FRÅN läget DC Power Grounding Requirements and Warning An insulated grounding conductor that is identical in size to the grounded and ungrounded branch circuit supply conductors but is identifiable by green and yellow stripes is installed as part of the branch circuit that supplies the unit The grounding conductor is a separately derived ...

Страница 257: ...johtoon Attention Câblez l approvisionnement d alimentation CC En utilisant les crochets appropriés à l extrémité de câblage En reliant la puissance l ordre approprié de câblage est rectifié pour rectifier RTN à RTN puis 48 V à 48 V En débranchant la puissance l ordre approprié de câblage est 48 V à 48 V RTN à RTN a alors rectifié pour rectifier Notez que le fil de masse devrait toujours être reli...

Страница 258: ...kvens ar jord till jord RTN till RTN 48 V till 48 V Korrekt kopplas kopplingssekvens ar 48 V till 48 V RTN till RTN jord till jord DC Power Wiring Terminations Warning WARNING When stranded wiring is required use approved wiring terminations such as closed loop or spade type with upturned lugs These terminations should be the appropriate size for the wires and should clamp both the insulation and ...

Страница 259: ...iado para os respectivos cabos e deverão prender simultaneamente o isolamento e o fio condutor Atención Cuando se necesite hilo trenzado utilizar terminales para cables homologados tales como las de tipo bucle cerrado o espada con las lengüetas de conexión vueltas hacia arriba Estos terminales deberán ser del tamaño apropiado para los cables que se utilicen y tendrán que sujetar tanto el aislante ...

Страница 260: ...ing actions in this order 1 Use caution Be aware of potentially hazardous conditions that could cause further injury 2 Disconnect power from the router 3 If possible send another person to get medical aid Otherwise assess the condition of the victim then call for help Midplane Energy Hazard Warning WARNING High levels of electrical energy are distributed across the router midplane Be careful not t...

Страница 261: ... unidad tiene más de una conexión de suministros de alimentación para eliminar la alimentación por completo deben desconectarse completamente todas las conexiones Varning Denna enhet har mer än en strömförsörjningsanslutning alla anslutningar måste vara helt avlägsnade innan strömtillförseln till enheten är fullständigt bruten Power Disconnection Warning WARNING Before working on the router or nea...

Страница 262: ...ular el chasis de un equipo o trabajar cerca de una fuente de alimentación desenchufar el cable de alimentación en los equipos de corriente alterna CA cortar la alimentación desde el interruptor automático en los equipos de corriente continua CC Varning Innan du arbetar med ett chassi eller nära strömförsörjningsenheter skall du för växelströmsenheter dra ur nätsladden och för likströmsenheter bry...

Страница 263: ...e meets the specified power environmental and clearance requirements Do not attempt to lift a fully configured router by yourself Using a mechanical lift to maneuver the router into a rack is recommended If a lift cannot be used a minimum of three people must lift the router and you must remove components from the chassis before lifting For lifting and component removal instructions see Initial In...

Страница 264: ...arnings Ensure that the equipment rack into which the router is installed is evenly and securely supported to avoid the hazardous condition that could result from uneven mechanical loading WARNING To prevent bodily injury when mounting or servicing the router in a rack take the following precautions to ensure that the system remains stable The following directives help maintain your safety The rou...

Страница 265: ...essä ei ole muita laitteita aseta laite telineen alaosaan Jos laite asetetaan osaksi täytettyyn telineeseen aloita kuormittaminen sen alaosasta kaikkein raskaimmalla esineellä ja siirry sitten sen yläosaan Jos telinettä varten on vakaimet asenna ne ennen laitteen asettamista telineeseen tai sen huoltamista siinä Attention Pour éviter toute blessure corporelle pendant les opérations de montage ou d...

Страница 266: ...eve essere fissato alla struttura dell edificio Questa unità deve venire montata sul fondo del supporto se si tratta dell unica unità da montare nel supporto Quando questa unità viene montata in un supporto parzialmente pieno caricare il supporto dal basso all alto con il componente più pesante sistemato sul fondo del supporto Se il supporto è dotato di dispositivi stabilizzanti installare tali di...

Страница 267: ...se en un bastidor fijado a la estructura del edificio Colocar el equipo en la parte inferior del bastidor cuando sea la única unidad en el mismo Cuando este equipo se vaya a instalar en un bastidor parcialmente ocupado comenzar la instalación desde la parte inferior hacia la superior colocando el equipo más pesado en la parte inferior Si el bastidor dispone de dispositivos estabilizadores instalar...

Страница 268: ...der Aviso Não utilize uma rampa com uma inclinação superior a 10 graus Atención No usar una rampa inclinada más de 10 grados Varning Använd inte ramp med en lutning på mer än 10 grader Laser and LED Safety Guidelines and Warnings Single mode Physical Interface Cards PICs are equipped with laser transmitters which are considered a Class 1 Laser Product by the U S Food and Drug Administration and ar...

Страница 269: ...he lens in the human eye focuses all the laser power on the retina so focusing the eye directly on a laser source even a low power laser could permanently damage the eye Class 1 Laser Product Warning WARNING Class 1 laser product Waarschuwing Klasse 1 laser produkt Varoitus Luokan 1 lasertuote Attention Produit laser de classe I Warnung Laserprodukt der Klasse 1 Avvertenza Prodotto laser di Classe...

Страница 270: ...nten Varoitus Älä katso säteeseen äläkä tarkastele sitä suoraan optisen laitteen avulla Attention Ne pas fixer le faisceau des yeux ni l observer directement à l aide d instruments optiques Warnung Nicht direkt in den Strahl blicken und ihn nicht direkt mit optischen Geräten prüfen Avvertenza Non fissare il raggio con gli occhi né usare strumenti ottici per osservarlo direttamente Advarsel Stirr e...

Страница 271: ... Öffnungen Avvertenza Quando i cavi in fibra non sono inseriti radiazioni invisibili possono essere emesse attraverso l apertura della porta Evitate di esporvi alle radiazioni e non guardate direttamente nelle aperture Advarsel Unngå utsettelse for stråling og stirr ikke inn i åpninger som er åpne fordi usynlig stråling kan emiteres fra portens åpning når det ikke er tilkoblet en fiberkabel Aviso ...

Страница 272: ...abricant Jeter les piles usagées conformément aux instructions du fabricant Warnung Bei Einsetzen einer falschen Batterie besteht Explosionsgefahr Ersetzen Sie die Batterie nur durch den gleichen oder vom Hersteller empfohlenen Batterietyp Entsorgen Sie die benutzten Batterien nach den Anweisungen des Herstellers Avvertenza Pericolo di esplosione se la batteria non è installata correttamente Sosti...

Страница 273: ... colliers et montres compris Lorsqu ils sont branchés à l alimentation et reliés à la terre les objets métalliques chauffent ce qui peut provoquer des blessures graves ou souder l objet métallique aux bornes Warnung Vor der Arbeit an Geräten die an das Netz angeschlossen sind jeglichen Schmuck einschließlich Ringe Ketten und Uhren abnehmen Metallgegenstände erhitzen sich wenn sie an das Netz und d...

Страница 274: ...onweer dat gepaard gaat met bliksem dient u niet aan het systeem te werken of kabels aan te sluiten of te ontkoppelen Varoitus Älä työskentele järjestelmän parissa äläkä yhdistä tai irrota kaapeleita ukkosilmalla Attention Ne pas travailler sur le système ni brancher ou débrancher les câbles pendant un orage Warnung Arbeiten Sie nicht am System und schließen Sie keine Kabel an bzw trennen Sie kein...

Страница 275: ...schützen darf dieser nicht in einer Gegend betrieben werden in der die Umgebungstemperatur das empfohlene Maximum von 40οC überschreitet Um Lüftungsverschluß zu verhindern achten Sie darauf daß mindestens 15 2 cm lichter Raum um die Lüftungsöffnungen herum frei bleibt Avvertenza Per evitare il surriscaldamento dei router non adoperateli in un locale che ecceda la temperatura ambientale massima di ...

Страница 276: ...llisia lakeja ja säännöksiä noudattaen Attention La mise au rebut définitive de ce produit doit être effectuée conformément à toutes les lois et réglementations en vigueur Warnung Dieses Produkt muß den geltenden Gesetzen und Vorschriften entsprechend entsorgt werden Avvertenza L eliminazione finale di questo prodotto deve essere eseguita osservando le normative italiane vigenti in materia Advarse...

Страница 277: ...tralia New Zealand EN 55022 Class A Emissions Europe FCC Part 15 Class A USA VCCI Class A Japan Immunity EN 61000 3 2 Power Line Harmonics EN 61000 4 2 ESD EN 61000 4 3 Radiated Immunity EN 61000 4 4 EFT EN 61000 4 5 Surge EN 61000 4 6 Low Frequency Common Immunity EN 1000 4 11 Voltage Dips and Sags ETSI ETS 300386 2 Telecommunication Network Equipment Electromagnetic Compatibility Requirements NE...

Страница 278: ... may be required to take adequate measures VCCI A United States The router has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequenc...

Страница 279: ...mponent To list all of the router components and their serial numbers enter the following command line interface CLI command user host show chassis hardware Hardware inventory Item Version Part number Serial number Description Chassis 20082 M160 Midplane REV 05 710 001245 AW3196 FPM CMB REV 03 710 001642 AE6482 FPM Display REV 03 710 001647 AW2008 CIP REV 04 710 002649 HE0493 PEM 0 Rev 03 740 0012...

Страница 280: ...V 02 750 003104 AD9192 4x T3 ATM PIC 1 REV 05 750 005656 BE1888 2x EIA 530 PIC 2 REV 04 750 003105 AS6972 4x E3 ATM PIC 3 REV 04 750 001895 HD8100 1x OC 12 SONET MM FPC 6 REV 04 710 003950 BC0951 E FPC Type 2 CPU REV 01 710 004600 AE9024 PIC 0 REV 05 750 001900 AD5625 1x OC 48 SONET SMSR Most components also have a small rectangular serial number ID label see Figure 109 attached to the component b...

Страница 281: ...ed at the top of the left side as shown in Figure 110 Figure 110 CIP Serial Number ID Label 1621 Serial number ID label AA1234 Craft Interface Serial Number ID Label The serial number on the craft interface is located on the back of the panel behind the alarm LEDs as shown in Figure 111 Locating Component Serial Numbers 257 ...

Страница 282: ...ply Serial Number ID Label The serial number ID label on a DC power supply is located on the faceplate as shown in Figure 112 Figure 112 DC Power Supply Serial Number ID Label CB ON CB OFF OUTPUT OK PEM SELF TEST 1619 SP0402 2A S N KM28411 REV C REV 03 121499 P N 740 001243 Serial number ID label 258 Locating Component Serial Numbers ...

Страница 283: ... label on an FPC is located on the right side as shown in Figure 113 Figure 113 FPC Serial Number ID Label 1614 Serial number ID label AA1234 MCS Serial Number ID Label The serial number on an MCS is located on the bottom at the left side as shown in Figure 114 Locating Component Serial Numbers 259 ...

Страница 284: ...e serial number on a PCG is located on the top close to the midplane connector as shown in Figure 115 Figure 115 PCG Serial Number ID Label 1617 Serial number ID label AA1234 PIC Serial Number ID Label The serial number ID label for a PIC is located on the right side of the PIC as shown in Figure 116 260 Locating Component Serial Numbers ...

Страница 285: ...Routing Engine see Figure 117 and Figure 118 Some Routing Engines might have more than one serial number Contact your Juniper Networks support representative if you need assistance in determining which serial number to provide Figure 117 Routing Engine 333 Serial Number ID Label 1607 Serial number ID label Te k n o r S i l i c o n S e r i a l I D Board S N 900106217 460000078ba2201 Locating Compon...

Страница 286: ... of the top panel as shown in Figure 119 Figure 119 SFM Serial Number ID Label 1618 Serial number ID label AA1234 Contacting Customer Support After you have located the serial numbers of the components you need to return contact Juniper Networks Technical Assistance Center JTAC in one of the following ways You can contact JTAC 24 hours a day seven days a week On the Web using the Case Manager link...

Страница 287: ...umber is used to track the returned material at the factory and to return repaired or new components to the customer as needed NOTE Do not return any component to Juniper Networks Inc unless you have first obtained an RMA number Juniper Networks Inc reserves the right to refuse shipments that do not have an RMA Refused shipments will be returned to the customer via collect freight For more informa...

Страница 288: ... component 5 Pack the router or component for shipment as described Packing the Routing Node for Shipment on page 265 or Packing Components for Shipment on page 267 Tools and Parts Required To remove components from the router or the router from a rack you need the following tools and parts 2 5 mm flat blade screwdriver for detaching alarm relay terminal block 5 32 in Allen hexagonal wrench for lo...

Страница 289: ...originally shipped If you do not have these materials contact your Juniper Networks representative about approved packaging materials 2 Attach an electrostatic discharge ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis Make sure the router is attached to a proper earth ground For more information about ESD see Preventing Electrostatic Discharge D...

Страница 290: ...router to the shipping crate If you are not using a mechanical lift and the router weight is fully supported by a shelf or another router unscrew and remove the mounting screws from the rack Four people can then lift the router and move it to the shipping crate If you are not using a mechanical lift and the router weight is not fully supported by a shelf four people should grasp the router while a...

Страница 291: ...re adequately protected with packing materials and packed so that the pieces are prevented from moving around inside the carton Use the original shipping materials if they are available Place individual boards in electrostatic bags Write the RMA number on the exterior of the box to ensure proper tracking CAUTION Do not stack any of the router components Packing Components for Shipment 267 ...

Страница 292: ...M160 Internet Router Hardware Guide 268 Packing Components for Shipment ...

Страница 293: ...RJ 45 Connector Pinouts for the Routing Engine ETHERNET Port The port on the CIP labeled ETHERNET is an autosensing 10 100 Mbps Ethernet RJ 45 receptacle that accepts an Ethernet cable for connecting the Routing Engine to a management LAN or other device that supports out of band management For more information see Routing Engine Management Ports on page 33 Table 28 describes the RJ 45 connector p...

Страница 294: ... Connector Pinout Pin Signal Direction Description 1 DCD Carrier Detect 2 RxD Receive Data 3 TxD Transmit Data 4 DTR Data Terminal Ready 5 Ground Signal Ground 6 DSR Data Set Ready 7 RTS Request To Send 8 CTS Clear To Send 9 RING Ring Indicator RJ 48 Cable Pinouts for E1 and T1 PICs The E1 and T1 PICs use an RJ 48 cable which is not supplied with the PIC CAUTION To maintain agency approvals use on...

Страница 295: ... No connect No connect Table 31 RJ 48 Connector to RJ 48 Connector Crossover Pinout RJ 48 Pin on T1 E1 PIC Data numbering form RJ 48 Pin Data numbering form Signal 1 4 RX Ring TX Ring 2 5 RX Tip TX Tip 4 1 TX Ring RX Ring 5 2 TX Tip RX Tip 3 3 Shield Return Ground 6 6 Shield Return Ground 7 No connect No connect 8 No connect No connect 9 No connect No connect 10 No connect No connect 11 No connect...

Страница 296: ...No connect No connect 12 No connect No connect 13 No connect No connect 14 No connect No connect 15 No connect No connect Table 33 RJ 48 Connector to DB 15 Connector Crossover Pinout RJ 48 Pin on T1 E1 PIC Data numbering form DB 15 Pin Data numbering form Signal 1 9 RX Ring TX Ring 2 1 RX Tip TX Tip 4 11 TX Ring RX Ring 5 3 TX Tip RX Tip 3 4 Shield Return Ground 6 2 Shield Return Ground 7 No conne...

Страница 297: ...le pinouts An X 21 connection requires an DB 25 to X 21 cable and connects to a X 21 DTE DB 15 male cable Table 35 describes the X 21 cable pinouts Figure 120 EIA 530 PIC g003044 SYNC 1 DSR 1 DCD 1 SYNC 0 DSR 0 DCD 0 PORT 0 PORT 1 EIA 530 Table 34 DB 25 Connector to V 35 Connector Pinout DB 25 Pin Signal V 35 Pin Description 2 TD P Transmit Data 14 TD S Transmit Data 3 RD R Receive Data 16 RD T Re...

Страница 298: ...D 8 Signal Ground 2 T 2 Transmit Data 14 T 9 Transmit Data 3 R 4 Receive Data 16 R 11 Receive Data 4 C 3 Request To Send 19 C 10 Request To Send 8 I 5 Data Carrier Detect 10 I 12 Data Carrier Detect 17 S 6 Receive Clock 9 S 13 Receive Clock Fast Ethernet 48 port Cable Pinouts The Fast Ethernet 48 port PIC has four VHDCI connector ports on its faceplate see Figure 121 each of which accepts one of t...

Страница 299: ...OTE RJ 21 pin numbers 25 and 50 do not appear in the table because they are ground connectors Table 36 RJ 21 Pin Assignments Ethernet Port Numbers RJ 21 Pin Assignment TX TX RX RX 0 12 24 36 2 27 1 26 1 13 25 37 4 29 3 28 2 14 26 38 6 31 5 30 3 15 27 39 8 33 7 32 4 16 28 40 10 35 9 34 5 17 29 41 12 37 11 36 Fast Ethernet 48 port Cable Pinouts 275 ...

Страница 300: ...e Guide Ethernet Port Numbers RJ 21 Pin Assignment 6 18 30 42 14 39 13 38 7 19 31 43 16 41 15 40 8 20 32 44 18 43 17 42 9 21 33 45 20 45 19 44 10 22 34 46 22 47 21 46 11 23 35 47 24 49 23 48 276 Fast Ethernet 48 port Cable Pinouts ...

Страница 301: ...Part 5 Index Index 277 ...

Страница 302: ...278 Index ...

Страница 303: ...cy 253 architecture overview 51 Packet Forwarding Engine 51 Routing Engine 53 ASIC as key element of router design 3 Distributed Buffer Manager component on SFM 19 role in forwarding 52 I O Manager component on FPC 16 role in forwarding 52 Internet Processor II component on SFM 19 role in forwarding 52 on FPC 16 on PIC 13 on SFM 19 Packet Director component on FPC 16 role in forwarding 52 ATM anal...

Страница 304: ...ilter 129 fiber optic transceivers 134 clearance around rack 62 CLI as troubleshooting tool 207 command to display chassis alarm messages 209 to display FPC status 133 to display MCS status 131 to display PCG status 135 to display PIC status 134 to display power supply status 137 to display Routing Engine status 131 to display serial number 255 to display switch master host module 22 tools provide...

Страница 305: ...ing guidelines 65 electromagnetic compatibility See EMC pulse 65 electrostatic bag using to store components 226 discharge See ESD EMC EMI compliance with requirements 254 standards 253 suppression 65 EMP 65 environmental specifications 62 ESD points on chassis 7 preventing damage to components by 226 Ethernet port for Routing Engine management cable connection during initial installation 114 repl...

Страница 306: ... pluggable components See field replaceable units hot removable and hot insertable components See field replaceable units humidity relative acceptable 62 I I O Manager ASIC on FPC 16 role in forwarding 52 immunity standards 253 impeller assembly See front impeller assembly rear lower impeller assembly rear upper impeller assembly installation instructions air filter 129 alarm relay contact wires d...

Страница 307: ... See CLI network See PIC process software module in Routing Engine 49 interference electromagnetic 65 radio frequency 65 Internet Processor II ASIC component on SFM 19 role in forwarding 52 J Juniper Networks Technical Assistance Center JTAC 212 JUNOS Internet software chassis process 49 CLI See CLI interface process 49 kernel Routing Engine 49 management process 49 MIB II process 49 modularity an...

Страница 308: ...9 PIC 13 SFM 20 P Packet Director ASIC component on FPC 16 role in forwarding 52 Packet Forwarding Engine architectural components 51 ASICs diagram of 51 Clock Generator See PCG data flow through 52 hardware components listed 11 packing crate See shipping crate parentheses in syntax descriptions xx PC card insertion instructions 164 removal instructions 163 PCG components 19 description hardware a...

Страница 309: ...nstructions during initial installation 86 for maintenance or replacement 197 serial number 258 tools required 139 troubleshooting 215 weight 83 procedures See instructions 65 R rack clearance around required 62 mounting hole spacing 61 securing to building 62 size and strength required 60 standards EIA and ETSI 60 radio frequency interference preventing 65 rear component cover installation instru...

Страница 310: ...ations reset button on Routing Engine 24 RFI 65 RJ 21 cable pinouts 274 RJ 45 cable connector pinouts 269 RJ 48 cable pinouts 270 router configuration 121 routing policy 47 protocol process software module of Routing Engine 44 protocols IPv4 44 IPv6 46 tables 47 Routing Engine alarm handling by 54 chassis process 49 components hardware 24 software 43 configuration files storage 54 description hard...

Страница 311: ...l form factor pluggable See SFP SNMP as tool for monitoring 50 process software module in Routing Engine 49 software JUNOS See JUNOS Internet software SONET SDH analyzer use of 134 specifications cable 70 power and grounding 67 Routing Engine management ports 74 See also cable PIC clearance around rack 62 electrical 67 cable and wiring 65 environmental 62 fire safety 63 power drawn by hardware com...

Страница 312: ...st routing protocols IPv4 44 IPv6 46 V V 35 cable pinouts 273 W warnings electrical 227 general 224 installation 239 laser and LED 244 levels defined 221 maintenance and operational 247 wavelength ranges supported by fiber optic cable 71 weight chassis 83 hardware components 83 wiring electrical See electricity X X 21 cable pinouts 273 288 Index ...

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