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2-11

Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide

OL-32751-01

Chapter 2      Preparing for Installation

Site Planning

Air Flow Guidelines

Cool air is circulated through the Cisco ASR 920 Series Router by fans located along the back side of 
the router.

The internal fans maintain acceptable operating temperatures for the internal components by drawing in 
cool air through the vents, and circulating the air through the chassis.

The direction of air flow is from front-to-back.

Figure 2-1

Air Flow in the Cisco ASR 920 Series Routers

To ensure adequate air flow through the equipment rack, it is recommended that you maintain a 
minimum clearance distance as mentioned below, at all times.

•

front clearance—12.7 cm

•

rear clearance—10 cm

391663

Содержание ASR 920 series

Страница 1: ...more than 200 offices worldwide Addresses phone numbers and fax numbers are listed on the Cisco website at www cisco com go offices Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide October 13 2014 Text Part Number NA ...

Страница 2: ... as part of UCB s public domain version of the UNIX operating system All rights reserved Copyright 1981 Regents of the University of California NOTWITHSTANDING ANY OTHER WARRANTY HEREIN ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED AS IS WITH ALL FAULTS CISCO AND THE ABOVE NAMED SUPPLIERS DISCLAIM ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTA...

Страница 3: ...8 LED Indicators 1 8 Online Insertion and Removal 1 12 Licensing the Cisco ASR 920 Router 1 12 C H A P T E R 2 Preparing for Installation 2 1 Safety Guidelines 2 1 Standard Warning Statements 2 2 Safety Guidelines for Personal Safety and Equipment Protection 2 3 Safety Precautions for Module Installation and Removal 2 3 Safety with Electricity 2 3 Power Supply Considerations 2 8 Preventing ESD Dam...

Страница 4: ...R 3 Installing the Cisco ASR 920 Series Router 3 1 Prerequisites 3 1 Installing the Router in a Rack 3 1 Installing the Chassis Brackets 3 2 Installing the Router Chassis in the Rack 3 6 Attaching the Cable Guides 3 7 Wall Mounting the Cisco ASR 920 Series Router 3 9 Attaching the Brackets to the Router for Wall Mounting 3 9 Mounting Cisco ASR 920 Series Router on the Wall 3 10 Installing the AC P...

Страница 5: ... a USB Flash Device 3 33 Connecting Timing Cables 3 33 Connecting a Cable to the BITS Interface 3 33 Connecting Cables to a GPS Interface 3 34 Connecting Ethernet Cables 3 34 Connecting Cables to SFP Modules 3 35 Connector and Cable Specifications 3 35 C H A P T E R 4 Cisco ASR 920 Series Aggregation Services Router Initial Configuration 4 1 Checking Conditions Prior to System Startup 4 1 Powering...

Страница 6: ...751 01 Alarm Port Pinouts 5 2 Management Ethernet Port Pinouts 5 2 USB Console Port Pinouts 5 3 USB Flash or MEM Port Pinouts 5 3 Optical Fiber Specifications 5 4 Alarm Conditions 5 4 C H A P T E R A Site Log A 1 C H A P T E R B Supported SFPs and PIDs B 1 Supported SFPs B 1 Supported PIDs B 2 ...

Страница 7: ...Eight 1G Copper SFP Combo ports and Two 1G 10G Dual Rate ports with fixed redundant DC power supplies ASR 920 4SZ A Two 1G copper ports and four 10G 1G SFP SFP ports with fixed redundant AC power supplies ASR 920 4SZ D Two 1G copper ports and four 10G 1G SFP SFP ports with fixed redundant DC power supplies Document Revision History The following table lists the major changes made to this document ...

Страница 8: ...escribes troubleshooting information Site Log Describes provide a record of actions related to installing and maintaining the router Supported SFPs and PIDs Describes the supported SFPs Convention Indication bold font Commands and keywords and user entered text appear in bold font italic font Document titles new or emphasized terms and arguments for which you supply values are in italic font Eleme...

Страница 9: ...ards involved with electrical circuitry and be familiar with standard practices for preventing accidents Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device SAVE THESE INSTRUCTIONS Warning Statements using this symbol are provided for additional information and to comply with regulatory and customer r...

Страница 10: ...8 Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide OL 32751 01 Obtaining Documentation and Submitting a Service Request ...

Страница 11: ...0 Router Features The Cisco ASR 920 family of routers includes ASR 920 Indoor version ASR 920 12CZ A ASR 920 12CZ D This sub family has fixed ENET interfaces 12 x 1GE 2 x 10GE or 2 x 1GE or any combinations of 1 GE and 10 GE among the two ports available and dual power supplies AC DC ASR 920 Compact version ASR 920 4SZ A ASR 920 4SZ D This sub family of routers have a compact form factor and confi...

Страница 12: ...clock to derive its transmit clock GE SFP Ports The GE SFP ports support the following features 100Base FX and 1000Base X SFP modules Digital optical monitoring as specified by the SFP Any mix of SFPs is supported unless specifically noted Note Only six Smart SFPs are supported on the router Pause flow control as defined by the 802 3x standard Frame size of 9216 bytes Synchronous ENET operation th...

Страница 13: ...391646 1 1 2 5 3 7 9 10 6 4 12 14 16 8 13 11 15 17 18 391648 1 1 2 5 3 7 9 10 6 4 12 14 16 8 13 11 15 17 18 1 Power Supply 0 AC or DC 10 Eight Copper port 2 Power Supply 1 AC or DC 11 1G 10G Dual Rate port 3 Power Supply 0 LED AC or DC 12 1G 10G Dual Rate port 4 Power Supply 1 LED AC or DC 13 USB Console port 5 RJ 48 slots for BITS upper slot and ToD lower slot 14 Alarm port 6 Management port 15 U...

Страница 14: ...1GE Copper ports 2 Power Supply 1 AC or DC 10 Four 1G 10G Dual Rate Ports 3 Power Supply 0 LED AC or DC 11 USB Console port 4 Power Supply 1 LED AC or DC 12 Alarm port 5 RJ 48 slots for BITS upper slot and ToD lower slot 13 USB Memory port 6 Management port 14 Board power LED 7 Console port TIA EIA 232F 15 Zero Touch Provisioning button 8 Auxiliary Console port 16 System Status LED Table 1 1 Cisco...

Страница 15: ...upported SFP SFP installed on the router See the corresponding SFP SFP documentation for more details Alarms 4 alarm dry contact inputs normally open LED indicators for critical major and minor alarms 4 alarm dry contact inputs normally open LED indicators for critical major and minor alarms TDM Support None None Mounting option Front or rear rail 19 inches or 23 inches ETSI 300 mm cabinet Wall Mo...

Страница 16: ... of time of day ToD and 1PPS pulses ToD format includes both NTP and IEEE 1588 2008 time formats The same RS422 pins for 1PPS and TOD are shared between input and output directions The direction for each can be independently configurable through software External Alarm Inputs The Cisco ASR 920 router supports four dry contact alarm inputs through an RJ 45 jack on the front panel Normally Open indi...

Страница 17: ...nly for connection to an external host computer This interface requires the use of a Type A to Type A connector instead of a standard USB cable Note Use of the USB console is mutually exclusive of the RS232 console port This interface requires the use of a Type A to Type A USB cable USB Mass Storage A single USB 2 0 Type A receptacle is provided on the front panel of the Cisco ASR 920 router for i...

Страница 18: ...external surge protective device The Cisco ASR 920 routers have fixed fans are part of the system The system is designed to operate at its maximum operating temperature of 70º C and at 65º C in case of failure of a single fan for a maximum of four hours The fan is not removable and in case of a failure the system must be replaced Caution In case of power supply or fan failure it is highly recommen...

Страница 19: ...failure Amber Red FPGA Image Validation Error System is in unresponsive state Flashing Amber and Green alternatively Amber Upgrade FPGA image error continuing with Golden FPGA image Flashing Amber and Green alternatively Off FPGA configuration successful and Digital code signing successfully validated FPGA image Digital code signing passed the control to Microloader to boot ROMMON Flashing Amber a...

Страница 20: ...tes the status of the duplex LED Table 1 4 CPU Management Port LED Indication LED LED State Indication Left Green Link up in 1000 Mbps Blinking Green Activity in 1000 Mbps Orange Link up in 100 Mbps Blinking Orange Activity in 100 Mbps Off Link down Right Green Link up in full duplex Off Link up in half duplex Table 1 5 SFP Port LED Indication LED LED State Indication Labeled same as the SFP port ...

Страница 21: ... in half duplex Table 1 8 PSU LED Indication LED LED State Indication OK Green Power Supply is working and 12V output is alright Red 12V output failure Either input not present or fault in the power supply unit Table 1 9 1G Copper and 1G SFP LED Indication Event 1G Copper Port LEDs Link Duplex 1G SFP Port LEDs ROMMON Off Off Off IOS Shut Off Off Off IOS No shut cable disconnect Yellow Off Yellow I...

Страница 22: ...s Routers support the following types of licenses Port Licensing Port Upgrade license is available as a Pay as you Grow model 1G upgrade license 10G upgrade license Bulk licensing Bulk port licensing allows you to enable all the ports with a single license Timing license 1588 Timing license is required if the router is used as a master clock Advanced Metro IP Access Metro IP Access Metro Access de...

Страница 23: ...r to avoid injuring yourself or damaging the equipment In addition before replacing configuring or maintaining the Cisco ASR 920 Series Aggregation Services Router review the safety warnings listed in the Regulatory Compliance and Safety Information for the Cisco ASR 920 Series Aggregation Services Router document The following sections describe the safety guidelines for the Cisco ASR 920 Series R...

Страница 24: ...posal of this product should be handled according to all national laws and regulations Statement 1040 Warning To prevent the system from overheating do not operate it in an area that exceeds the maximum recommended ambient temperature of 158 F 70 C Statement 1047 Warning The chassis should be mounted on a rack that is permanently affixed to the building Statement 1049 Warning IMPORTANT SAFETY INST...

Страница 25: ... your eyes wear safety glasses Safety Precautions for Module Installation and Removal Be sure to observe the following safety precautions when you work on the router To see the translations of the warnings that appear in this publication see the Regulatory Compliance and Safety Information for the Cisco ASR 920 Series Aggregation Services Router document Warning Class 1 laser product Statement 100...

Страница 26: ...d the installation instructions before connecting the system to the power source Statement 1004 Warning This product relies on the building s installation for short circuit overcurrent protection For a DC installation ensure that the branch circuit breaker is rated a maximum 15A for DC systems For AC systems 15A for voltages greater than 200Vac 20A for voltages below 127Vac Statement 1005 Warning ...

Страница 27: ...s and WAN ports contain TNV circuits Some LAN and WAN ports both use RJ45 connectors Use caution when connecting cables Statement 1021 Warning A readily accessible two poled disconnect device must be incorporated in the fixed wiring Statement 1022 Warning To reduce the risk of fire use only 26 AWG or larger telecommunication line cord Statement 1023 Warning This equipment must be grounded Never de...

Страница 28: ...e made first and disconnected last Statement 1046 Warning Failure to securely tighten the power and relay connector captive screws can result in an electrical arc if the connector is accidentally removed Statement 1058 Warning This equipment is intended to be grounded Ensure that the host is connected to earth ground during normal use Statement 39 Warning If you connect or disconnect the console c...

Страница 29: ...reates a potential hazard to people or makes the equipment unsafe If an electrical accident occurs proceed as follows Use caution and do not become a victim yourself Turn off power to the router If possible send another person to get medical aid Otherwise determine the condition of the victim and then call for help Determine whether the person needs rescue breathing or external cardiac compression...

Страница 30: ... strap and cord must operate effectively If no wrist strap is available ground yourself by touching a metal part of the chassis When installing a component use any available ejector levers or captive installation screws to properly seat the bus connectors in the backplane or midplane These devices prevent accidental removal provide proper grounding for the system and help to ensure that bus connec...

Страница 31: ...d never operate the product in a wet environment Do not push any objects into the openings of your system components Doing so can cause fire or electric shock by shorting out interior components Position system cables and power supply cable carefully Route system cables and the power supply cable and plug so that they are not stepped on or tripped over Be sure that nothing else rests on your syste...

Страница 32: ...on Services Router document Environmental Requirements Environmental monitoring of the Cisco ASR 920 Series Router protects the system and components from damage caused by excessive voltage and temperature conditions To ensure normal operation and avoid unnecessary maintenance plan and prepare your site configuration before installation After installation make sure that the site maintains the envi...

Страница 33: ...he internal fans maintain acceptable operating temperatures for the internal components by drawing in cool air through the vents and circulating the air through the chassis The direction of air flow is from front to back Figure 2 1 Air Flow in the Cisco ASR 920 Series Routers To ensure adequate air flow through the equipment rack it is recommended that you maintain a minimum clearance distance as ...

Страница 34: ...n a back to back position with another device ensure that there is a minimum of 10 cm air flow clearance between the two devices Also ensure that the device behind the Cisco ASR 920 Series Router is not installed in a way that t it blows air into the Cisco ASR 920 Series Router 24 4cm 244mm 10cm 100mm Airflow 12 7cm 127mm Airflow Front Rear 391850 12 7cm 127mm Airflow 10cm 100mm Airflow 391852 Fro...

Страница 35: ... When rack installed equipment fails especially equipment in an enclosed rack try operating the equipment by itself if possible Power off all the other equipment in the rack and in adjacent racks to give the router maximum cooling air and clean power Avoid installing the Cisco ASR 920 Series Router in a location in which the chassis air intake vents may draw in the exhaust air from adjacent equipm...

Страница 36: ...nd the breakers Check the power at your site before installation and periodically after installation to ensure that you are receiving clean power Install a power conditioner if necessary Provide proper grounding to avoid personal injury and damage to the equipment due to lightning striking power lines or due to power surges The chassis ground must be attached to a central office or other interior ...

Страница 37: ...ommended distances or if wires pass between buildings give special consideration to the effect of a lightning strike in your vicinity The electromagnetic pulse caused by lightning or other high energy phenomena can easily couple enough energy into unshielded conductors to destroy electronic devices If you have had problems of this sort in the past you may want to consult experts in electrical surg...

Страница 38: ...stances or if signal wires pass between buildings you should consider the effect that a lightning strike in your vicinity might have on the Cisco ASR 920 Series Router The electromagnetic pulse EMP generated by lightning or other high energy phenomena can couple enough energy into unshielded conductors to damage or destroy electronic equipment If you have previously experienced such problems you s...

Страница 39: ... threaded rails you must provide your own metric mounting hardware Perforated top and open bottom for ventilation to prevent overheating Leveling feet for stability Caution The Cisco ASR 920 Series Router is not recommended to be installed in an enclosed rack because the chassis requires an unobstructed flow of cooling air to maintain acceptable operating temperatures for its internal components I...

Страница 40: ...nections Use the show environment all command regularly to check the internal system status The environmental monitor continually checks the interior chassis environment it provides warnings about high temperature and creates reports on other potentially dangerous occurrences If warning messages are displayed take immediate action to identify the cause and correct the problem Keep the Cisco ASR 92...

Страница 41: ...ask Verified By Date Date on which chassis received Chassis and all accessories unpacked Types and numbers of interfaces verified Safety recommendations and guidelines reviewed Installation Checklist copied Site Log established and background information entered Site power voltages verified Site environmental specifications verified Required passwords IP addresses device names and so on available ...

Страница 42: ...performs tasks has access to it Create the Site Log prior to the installation See Site Log for more information about the Site Log as well as a sample Site Log that can be used to make copies Receiving the Cisco ASR 920 Series Router Each Cisco ASR 920 Series Router chassis is shipped in a container that is strapped to a pallet as illustrated in Figure 2 2 Figure 2 2 Cisco ASR 920 Series Router Pa...

Страница 43: ...designed to support the weight of the unit Lift the unit only by using handles that are an integral part of the chassis or by grasping the chassis underneath its lower edge Statement 163 Tools and Equipment You need the following tools and equipment to install and upgrade the router and its components ESD preventive cord and wrist strap Antistatic mat or antistatic foam Number 1 and Number 2 Phill...

Страница 44: ...on is available online The Cisco ASR 920 Series Aggregation Services Router Pointer Card that is shipped with your Cisco ASR 920 Series Router contains links and information about the various documents that are available online Table 2 2 Cisco ASR 920 Series Router Default Shipping Container Contents Component Description Chassis Cisco ASR 920 Series Router chassis Accessories kit Chassis rack mou...

Страница 45: ...n plans or method of procedures MOP See Site Planning section on page 2 9 Unpacking and inspecting the Cisco ASR 920 Series Router See Receiving the Cisco ASR 920 Series Router section on page 2 20 Gathering the tools and test equipment required to properly install the Cisco ASR 920 Series Router See Tools and Equipment section on page 2 21 For more instructions on how to prepare for the installat...

Страница 46: ...nstalled on the front or rear of the chassis To install the brackets on the front of the chassis perform these steps Step 1 Remove the rack mount brackets from the accessory kit and position them beside the router chassis Figure 3 1 shows how to attach the brackets at the front middle and rear positions on the Cisco ASR 920 Series Router for a 19 inch EIA rack Figure 3 1 Attaching Mounting Bracket...

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