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Cisco 3700 Series Routers Hardware Installation Guide

OL-2180-08

Chapter 1 Overview of Cisco 3700 Series Routers

Interface Numbering

Figure 1-3

WAN and LAN Interface Numbering

The slot number for all WIC interfaces is always 0. (The W0 and W1 slot designations are for physical
slot identification only.) Interfaces in the WICs are numbered from right to left, starting with 0/0 for each
interface type, regardless of which physical slot the WICs are installed in. Some examples are as follows:

•

If slot W0 is empty and slot W1 contains a 1-port serial WIC, the serial interface in the WIC is
numbered Serial 0/0.

•

If slot W0 contains a 2-port serial WIC and slot W1 contains a 1-port serial WIC, the serial interfaces
in physical slot W0 are numbered Serial 0/0 and Serial 0/1, and the serial interface in physical slot
W1 is numbered Serial 0/2.

•

If slot W0 contains a 2-port serial WIC and slot W1 contains a 1-port BRI WIC, the serial interfaces
in physical slot W0 are numbered Serial 0/0 and Serial 0/1, and the BRI interface in physical slot
W1 is numbered BRI 0/0.

Voice Interface Numbering

Voice interfaces are numbered as follows:

chassis-slot/voice-module-slot/voice-interface

If a 4-channel voice network module is installed in chassis slot 1, the voice interfaces are:

•

1/0/0—Chassis slot 1/Voice module slot 0/Voice interface 0

•

1/0/1—Chassis slot 1/Voice module slot 0/Voice interface 1

•

1/1/0—Chassis slot 1/Voice module slot 1/Voice interface 0

•

1/1/1—Chassis slot 1/Voice module slot 1/Voice interface 1

Serial 0/2

Compact

Flash slot

56482

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ALLATION

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LP

RD

TD

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DSU
56K

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EN

V0

BANK 4

BANK 3

BANK 2

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BANK 0

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VWIC

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CTRLR E2

CTRLR E1

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Gigabit Ethernet 2/1

Fast Ethernet 2/35

Fast Ethernet 2/17

Gigabit Ethernet 2/0

Fast Ethernet 2/0

Fast Ethernet 2/18

Serial 0/1
Serial 0/0

TI 1/1

TI 1/0

Fast Ethernet 0/1

Fast Ethernet 0/0

BRI 0/0

1

2

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Summary of Contents for 3700 series

Page 1: ...rs Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 526 4100 Cisco 3700 Series Routers Hardware Installation Guide Text Part Number OL 2180 08 ...

Page 2: ...ore of the following measures Turn the television or radio antenna until the interference stops Move the equipment to one side or the other of the television or radio Move the equipment farther away from the television or radio Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits...

Page 3: ...ii Submitting a Service Request xvii Definitions of Service Request Severity xviii Obtaining Additional Publications and Information xviii C H A P T E R 1 Overview of Cisco 3700 Series Routers 1 1 Hardware Features 1 1 Cisco 3725 1 1 Cisco 3745 1 2 Modules Interface Cards and Memory 1 3 Memory 1 4 Interface Numbering 1 5 Cisco 3725 Interfaces 1 5 Cisco 3745 Interfaces 1 7 Power Supply Options 1 9 ...

Page 4: ...ing Connections 2 10 Serial Connections 2 10 ISDN BRI Connections 2 12 56 K Switched 56 kbps DSU CSU Connections 2 13 C H A P T E R 3 Installing the Router 3 1 Installing Modules Interface Cards and Power Supplies 3 1 Setting Up the Chassis 3 2 Setting the Chassis on a Desktop 3 2 Rack Mounting the Chassis 3 3 Installing the Chassis Ground Connection 3 8 Cisco 3725 Router Ground Connection 3 9 Cis...

Page 5: ...ting Modules Cables and Connections A 3 Reading Front Panel LEDs A 4 Reading Rear Panel LEDs A 6 Error Messages A 8 Recovering a Lost Password A 12 A P P E N D I X B Using the ROM Monitor B 1 Entering ROM Monitor Mode B 1 Enter ROM Monitor Mode by Using the reload Command B 2 Enter ROM Monitor Mode by Resetting the Configuration Register B 2 ROM Monitor Commands B 2 ROM Monitor Syntax Conventions ...

Page 6: ...tents vi Cisco 3700 Series Routers Hardware Installation Guide OL 2180 08 Changing Configuration Register Settings C 2 Configuring the Boot Field C 3 Enabling Booting from CompactFlash Memory C 5 I N D E X ...

Page 7: ...jectives This guide explains how to install maintain and troubleshoot your router hardware It also includes instructions for the router ROM monitor and configuration register Although this guide provides minimum software configuration information it is not comprehensive For detailed software configuration information see the Software Configuration Guide for Cisco 2600 Series Cisco 3600 Series and ...

Page 8: ...lation checklist Chapter 3 Installing the Router Describes how to install the router and shows how to connect to the router console and auxiliary ports Appendix A Troubleshooting Describes how to isolate problems read LEDs and interpret error and recovery messages Appendix B Using the ROM Monitor Describes the ROM monitor bootstrap program how to recover an enable password and how to recover softw...

Page 9: ...es and Cisco 3700 Series Regulatory Compliance and Safety Information document that accompanied your router Warning IMPORTANT SAFETY INSTRUCTIONS This warning 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 Use the st...

Page 10: ...hr Sie befinden sich in einer Situation die zu Verletzungen führen kann Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut Suchen Sie mit der am Ende jeder Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten Sicherheitshinweisen die zusammen mit diesem Gerät ausgeli...

Page 11: ...te símbolo de aviso indica peligro Existe riesgo para su integridad física Antes de manipular cualquier equipo considere los riesgos de la corriente eléctrica y familiarícese con los procedimientos estándar de prevención de accidentes Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo GUARDE...

Page 12: ...a declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham o dispositivo GUARDE ESTAS INSTRUÇÕES Advarsel VIGTIGE SIKKERHEDSANVISNINGER Dette advarselssymbol betyder fare Du befinder dig i en situation med risiko for legemesbeskadigelse Før du begynder arbejde på udstyr skal du være opmærksom på de involverede risici der er ved elekt...

Page 13: ...xiii Cisco 3700 Series Routers Hardware Installation Guide OL 2180 08 Preface Safety Warnings ...

Page 14: ...eatures and functionality For information that is beyond the scope of this document or for additional information use the following resources Timesaver Make sure that you have access to the documents listed in Table 3 Some of these documents are available in print and all are on CD ROM and on the World Wide Web If you need to order printed documents see the Obtaining Documentation section on page ...

Page 15: ... 2600 3600 and 3700 Series Installing Advanced Integration Modules in Cisco 2600 Series Cisco 3600 Series and Cisco 3700 Series Routers Installing AC Power Supplies in Cisco 3725 Routers Installing Field Replaceable Units in Cisco 3745 Routers Mounting Bracket Installation on Cisco 2691 Cisco 3631 and Cisco 3725 Routers Rack Mounting Cisco 3745 Routers Installing and Formatting Cisco 2691 Cisco 36...

Page 16: ...ctions for ordering documentation at this URL http www cisco com univercd cc td doc es_inpck pdi htm You can order Cisco documentation in these ways Registered Cisco com users Cisco direct customers can order Cisco product documentation from the Ordering tool http www cisco com en US partner ordering index shtml Nonregistered Cisco com users can order documentation through a local account represen...

Page 17: ...l from the Alphabetical Index drop down list or click the Cisco Product Identification Tool link under Alerts RMAs The CPI tool offers three search options by product ID or model name by tree view or for certain products by copying and pasting show command output Search results show an illustration of your product with the serial number label location highlighted Locate the serial number label on ...

Page 18: ...uides and logo merchandise Visit Cisco Marketplace the company store at this URL http www cisco com go marketplace The Cisco Product Catalog describes the networking products offered by Cisco Systems as well as ordering and customer support services Access the Cisco Product Catalog at this URL http cisco com univercd cc td doc pcat Cisco Press publishes a wide range of general networking training ...

Page 19: ...nal published by Cisco Systems for engineering professionals involved in designing developing and operating public and private internets and intranets You can access the Internet Protocol Journal at this URL http www cisco com ipj World class networking training is available from Cisco You can view current offerings at this URL http www cisco com en US learning index html ...

Page 20: ...xx Cisco 3700 Series Routers Hardware Installation Guide OL 2180 08 Preface Obtaining Additional Publications and Information ...

Page 21: ...1 5 Power Supply Options page 1 9 System Specifications page 1 11 Regulatory Compliance page 1 12 Hardware Features Cisco 3700 series includes the Cisco 3725 and the Cisco 3745 routers which provide the following features Cisco 3700 CompactFlash memory cards Advanced integration module AIM slots Support for double wide network modules Two sockets for synchronized DRAM SDRAM User configurable memor...

Page 22: ...nal features High performance 350 MHz RISC processor Up to 256 MB SDRAM Up to 128 MB CompactFlash memory Four slots for network modules that can accommodate up to two double wide network modules Three interface card slots Two Cisco 3700 CompactFlash memory card slots one external and one internal Two AIM slots 1 Double wide network module slot 6 CompactFlash memory card slot 2 Interface card slots...

Page 23: ...s AIM Installation Quick Start Guide Cisco 2600 Cisco 3600 and Cisco 3700 Series Installing Advanced Integration Modules in Cisco 2600 Series Cisco 3600 Series and Cisco 3700 Series Routers 1 Interface card slots 6 Cisco 3700 CompactFlash memory card slot 2 Network modules 7 Auxiliary port 3 Power supply 8 Console port 4 Fast Ethernet 0 0 port 9 Power supply 5 Fast Ethernet 0 1 port 10 Network mod...

Page 24: ...r more information see Appendix C Configuration Register CompactFlash memory Stores the operating system software image You can increase CompactFlash memory by adding Cisco 3700 CompactFlash memory cards See the Installing and Formatting Cisco 3631 and Cisco 3700 CompactFlash Memory Cards document EPROM based memory Stores the ROM monitor which allows you to boot an operating system software image...

Page 25: ...t is interface type slot number interface number Two examples are FastEthernet 0 0 Serial 1 2 The slot numbers are as follows 0 for all built in interfaces 0 for all WIC interfaces 1 for interfaces in the single wide network module slot 2 for interfaces in the double wide network module slot Interface port numbers begin at 0 for each interface type and continue from right to left and if necessary ...

Page 26: ...s a 1 port BRI WIC the serial interfaces in physical slot W0 are numbered Serial 0 0 and Serial 0 1 and the BRI interface in physical slot W1 is numbered BRI 0 0 Voice Interface Numbering Voice interfaces are numbered as follows chassis slot voice module slot voice interface If a 4 channel voice network module is installed in chassis slot 1 the voice interfaces are 1 0 0 Chassis slot 1 Voice modul...

Page 27: ...e upper double wide slot Interface port numbers begin at 0 for each interface type and continue from right to left and from bottom to top Figure 1 4 shows the rear panel of the Cisco 3745 with A WIC in each of the three WAN interface card slots A single wide network module in each of the four network module slots Two AC power supplies The slot number for all WIC interfaces is always 0 The W0 W1 an...

Page 28: ...Voice interface 1 1 Interface card slots 6 Cisco 3700 CompactFlash memory card slot 2 Network modules 7 Auxiliary port 3 Power supply 8 Console port 4 Fast Ethernet 0 0 port 9 Power supply 5 Fast Ethernet 0 1port 10 Network modules 63390 EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANU AL BEFORE INSTA LLATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 ...

Page 29: ... module meets the power needs of up to 36 IP phones A Cisco 3745 router with two 48 V power modules installed provides redundant power for up to 36 IP phones Figure 1 5 and Figure 1 6 show the 48 V power modules as they appear when installed in Cisco 3700 series routers Table 1 3 Power Supply Options for Cisco 3700 Series Routers Power Supply Option Cisco 3725 Cisco 3745 AC input power Yes Yes DC ...

Page 30: ...hapter 1 Overview of Cisco 3700 Series Routers Power Supply Options Figure 1 5 Cisco 3725 Router with Optional 48 V Power Module Installed Figure 1 6 Cisco 3745 Router with Optional 48 V Power Modules Installed 72086 48V power module AC power module 72085 48V power modules ...

Page 31: ...imum 1689 089 BTU hour Console and auxiliary ports RJ 45 connector Operating humidity 5 95 noncondensing Operating temperature 32 104 F 0 40 C Nonoperating temperature 40 to 162 F 40 to 72 C Noise level 52 dBA maximum Regulatory compliance FCC Part 15 Class A For additional compliance information see the Cisco 2600 Series Cisco 3600 Series and Cisco 3700 Series Regulatory Compliance and Safety Inf...

Page 32: ...y 5 95 noncondensing Operating temperature 32 104 F 0 40 C 1 Nonoperating temperature 40 to 162 F 40 to 72 C Noise level 60 dBA maximum Regulatory compliance FCC Part 15 Class A For additional compliance information see the Cisco 2600 Series Cisco 3600 Series and Cisco 3700 Series Regulatory Compliance and Safety Information document that accompanied the router Safety compliance UL 60950 CAN CSA C...

Page 33: ...siderations page 2 8 Preparing to Connect to a Network page 2 9 After you have completed this chapter proceed to Chapter 3 Installing the Router for installation instructions Safety Recommendations Follow these guidelines to ensure general safety Keep the chassis area clear and dust free during and after installation If you remove the chassis cover put it in a safe place Keep tools and chassis com...

Page 34: ...scue breathing or external cardiac compressions then take appropriate action In addition use the following guidelines when working with any equipment that is disconnected from a power source but still connected to telephone wiring or other network cabling Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed ...

Page 35: ...ower conditioner if necessary Warning The device is designed for connection to TN and IT power systems Statement 1007 The AC power supply includes the following features It autoselects either 110 V or 220 V operation All units include a 6 foot 1 8 meter electrical power cord A label near the power cord indicates the correct voltage frequency current draw and power dissipation for the unit Table 2 ...

Page 36: ...ature may not cool equipment to acceptable operating temperatures Always follow ESD prevention procedures described in the Preventing Electrostatic Discharge Damage section on page 2 2 to avoid damage to equipment Damage from static discharge can cause immediate or intermittent equipment failure Ensure that the chassis cover or mainboard tray and module rear panels are secure All empty network mod...

Page 37: ... when completed Include a copy of the checklist for each router in your site log described in the next section Creating a Site Log Installation checklist for site_____________________________________________ Router name_______________________________________________________ Task Verified by Date Installation checklist copied Background information placed in site log Site power voltages verified In...

Page 38: ... the Router Do not unpack the router until you are ready to install it If the final installation site will not be ready for some time keep the chassis in its shipping container to prevent accidental damage When you are ready to install the router proceed with unpacking it The router cables publications and any optional equipment you ordered may be shipped in more than one container When you unpack...

Page 39: ...se you might need the following equipment to connect a port to an external network Cables for connection to the WAN and LAN ports dependent on configuration Note For more information on cable specifications see the online document Cisco Modular Access Router Cable Specifications located on Cisco com Ethernet hub or PC with a network interface card for connection to the Ethernet LAN ports Console t...

Page 40: ... therefore the console port is ideally suited for use with console terminals Console Port Connections The router has an EIA TIA 232 asynchronous serial console port RJ 45 Depending on the cable and the adapter used this port will appear as a DTE or DCE device at the end of the cable For connection to a PC running terminal emulation software your router is provided with an RJ 45 to DB 9 adapter cab...

Page 41: ...shock do not connect safety extra low voltage SELV circuits to telephone network voltage TNV circuits LAN ports contain SELV circuits and WAN ports contain TNV circuits Some LAN and WAN ports both use RJ 45 connectors Statement 1021 Ethernet Connections The IEEE has established Ethernet as standard IEEE 802 3 The most common Ethernet implementations are as follows 100BASE T 2 pair Category 5 or un...

Page 42: ...ce Cards Installation Guide For more information on network modules see the Cisco Network Modules Hardware Installation Guide These documents are available on Cisco com Before you connect a device to a serial port you need to know the following Type of device data terminal equipment DTE or data communications equipment DCE that you are connecting to the synchronous serial interface Type of connect...

Page 43: ...figured as DTE require external clocking from a CSU DSU or other DCE device Although manufacturing your own serial cables is not recommended because of the small size of the pins on the DB 60 serial connector cable pinouts are provided in the Cisco Modular Access Router Cable Specifications document Distance Limitations Serial signals can travel a limited distance at any given bit rate generally t...

Page 44: ...nections The BRI modules and BRI WAN interface cards are available with either an S T interface that requires an external Network Termination 1 NT1 or a U interface that has a built in NT1 You can install the BRI modules in any available slot in the chassis Warning Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF or ON To avoid electric shock use c...

Page 45: ... Connections Switched 56 kbps connections are provided by the 56 kbps CSU DSU WAN interface card For more information on switched 56 kbps WAN interface cards see the Cisco Interface Cards Installation Guide document on Cisco com Table 2 4 ISDN BRI Cable Specifications Specification High Capacitance Cable Low Capacitance Cable Resistance at 96 kHz 160 ohms km 160 ohms km Capacitance at 1 kHz 120 nF...

Page 46: ...2 14 Cisco 3700 Series Routers Hardware Installation Guide OL 2180 07 Chapter 2 Preparing to Install the Router Preparing to Connect to a Network ...

Page 47: ...ained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning This unit is intended for installation in restricted access areas A restricted access area can be accessed only through the use of a special tool lock and key or other means of security Statement 1017 Installing Modules Interface Cards and Power Supplies Cisco routers are normally sh...

Page 48: ...you perform the installation or removal before you install the chassis If a chassis cover needs to be removed the chassis may have to be removed from the rack to permit cover removal Note The Cisco 3745 accommodates two AC or two DC hot swappable power supplies in bays at the rear of the unit Each unit provides up to 230 W of power and a single installed power supply meets the router s requirement...

Page 49: ... network and power connections If you need to install network modules or interface cards you can do so either before or after rack mounting the router Ideally you would install modules and interface cards when you have the best access to the rear panel of the router Note The Cisco 3725 requires additional clearance on the left side as viewed from the front of the chassis to accommodate cooling fan...

Page 50: ...Brackets for 23 Inch Rack Attaching Brackets to the Cisco 3725 Router You can rack mount a Cisco 3725 router with either the front or the rear of the chassis facing forward See Figure 3 4 through Figure 3 7 for bracket installation instructions Note Use the screws supplied with the brackets for this installation Figure 3 4 and Figure 3 5 show the front panel forward bracket attachment locations 62...

Page 51: ...e rear panel forward bracket attachment locations Figure 3 6 Cisco 3725 Router Bracket Installation Center Mount with Rear Panel Forward 82687 LEFT Left narrow bracket Right wide bracket RIGHT Use two screws on each side 82685 LEFT Left narrow bracket Right wide bracket RIGHT Use two screws on each side RIGHT 82686 SEE MANUA L BEFORE INSTALL ATION AL CD LP RD TD SEE MANUA L BEFORE INSTALL ATION DS...

Page 52: ...ure 3 10 for bracket installation instructions Note Use the screws supplied with the brackets for this installation Figure 3 8 Cisco 3745 Router Bracket Installation Front Panel Forward RIGHT Right wide bracket 82688 SEE MANUAL BEFORE INSTALL ATION AL CD LP RD TD SEE MANUAL BEFORE INSTALL ATION DSU 56K AL CD LP RD TD SEE MANUAL BEFORE INSTALL ATION DSU 56K EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 ...

Page 53: ...hed at the front of the chassis with the front panel facing forward Rear mounting Brackets attached at the rear of the chassis with the rear panel facing forward 63387 EN V0 BANK 3 BANK 2 BANK 1 BANK 0 VWIC 2MFT E1 SEE MANUAL BEFORE INSTALLATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK 3 BANK 2 BANK 1 BANK 0 VWIC 2MFT E1 SEE MANUAL BEFORE INSTALLATION CTRLR E2 CTRLR E1 AL LP CD SEE MANUAL BEFORE INST...

Page 54: ...eries router chassis require a reliable earth ground connection You must connect the chassis to a reliable earth ground the ground wire must be installed in accordance with local electrical safety standards For NEBS compliant grounding use size AWG 6 13 mm2 wire and the ground lug provided in the accessory kit Warning To prevent bodily injury when mounting or servicing this unit in a rack you must...

Page 55: ...und lug approximately 0 75 inch 20 mm For user provided ring terminal as required Step 2 Crimp the ground wire to the ground lug or ring terminal using a crimp tool of the appropriate size Step 3 Attach the ground lug or ring terminal to the chassis as shown in Figure 3 12 or Figure 3 13 For a ground lug use the two screws with captive locking washers provided For a ring terminal use one of the sc...

Page 56: ...d of the ground wire to the length required for the ground lug or terminal For the NEBS ground lug approximately 0 75 inch 20 mm For user provided ring terminal as required Step 2 Crimp the ground wire to the ground lug or ring terminal using a crimp tool of the appropriate size Step 3 Attach the ground lug or ring terminal to the chassis as shown in Figure 3 14 or Figure 3 15 For a ground lug use...

Page 57: ...R E2 CTRLR E1 AL LP CD EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANU AL BEFORE INSTA LLATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANU AL BEFORE INSTA LLATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANU AL BEFORE INSTA LLATION CTRLR E2 CTRLR E1 AL LP CD SEE MANUAL BEF...

Page 58: ...irements you must use foil twisted pair cable that is properly grounded at both ends Connecting Routers to a DC Input Power Supply Warning Before performing any of the following procedures ensure that power is removed from the DC circuit Statement 1003 Warning Use copper conductors only Statement 1025 Note The installation must comply with the 1996 National Electric Code NEC and other applicable c...

Page 59: ...for the terminals The strip length is 1 8 to 3 16 inch 3 to 5 mm for Molex number 19193 0009 and for AMP number 324159 0 terminals Step 3 Crimp the terminals to the power input and safety ground wires 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 shou...

Page 60: ...9 0 05 N m Figure 3 16 DC Power Connections Step 6 Install the plastic cover over the terminals See Figure 3 17 Warning The safety cover is an integral part of the product Do not operate the unit without the safety cover installed Operating the unit without the cover in place will invalidate the safety approvals and pose a risk of fire and electrical hazards Statement 117 Step 7 Organize and secur...

Page 61: ...ne source to the A input and one source to the B input Both sources must be the same polarity with respect to ground and voltage within 0 25 volts Do not connect DC grounded and DC grounded dual sources to a Cisco 3725 router Caution Dual sources with opposite polarity grounding can damage equipment In Figure 3 18 either the positive source terminal or the negative source terminal is tied to groun...

Page 62: ...ve terminals if source A and source B voltages are unequal by more than 0 25 V the higher voltage source can discharge into the lower voltage source through the A and B input terminals Excessive discharging currents through these terminals can cause one or both of the dual input DC power supply s internal A or B fuses to open resulting in lack of redundancy or system failure When source A and sour...

Page 63: ...posite polarity grounds Do not use this DC input configuration Figure 3 21 Source A and Source B Wired with Opposite Polarity Grounds Wiring the DC Input Power Supply in Cisco 3745 Routers If your Cisco 3745 router has a DC input power supply follow the directions in this section for proper wiring A A B B Va Vb 127040 A A B B Va Vb A Va voltage Vb voltage within 0 25 V Va voltage Vb voltage greate...

Page 64: ...ip the wires to the appropriate length for the terminals The strip length is 1 8 to 3 16 inch 3 to 5 mm for Molex number 19073 0009 terminals and for AMP Tyco number 52961 terminals Step 3 Crimp the terminals onto the DC power input wires Table 3 2 DC Wiring Requirements for Cisco 3745 Routers Installed Power Supply DC Input DC Input Wire Size Safety Ground Wire Size Wire Terminal Lug Overcurrent ...

Page 65: ... is ground to ground positive to positive and negative to negative The ground wire should always be connected first and disconnected last Statement 239 Caution Do not overtorque the terminal block screws The recommended torque is 8 0 0 5 in lb 0 9 0 05 N m Figure 3 22 Terminal Block Connections for Negative Polarity DC Input Power in Cisco 3745 Router Figure 3 23 Terminal Block Connections for Pos...

Page 66: ...tion Procedures and Precautions section on page 3 21 Note One or two Ethernet cables are typically provided with the router Additional cables and transceivers can be ordered from Cisco For ordering information see the Cisco Product Catalog at http www cisco com en US products products_catalog_links_launch html For cable pinouts see the Cisco Modular Access Router Cable Specifications document avai...

Page 67: ... port operating mode DTE or DCE See the Cisco Modular Access Router Cable Specifications document for information about selecting these cables Cisco Smart Serial Cisco Smart compact connector blue CSU DSU and serial network or equipment For WIC 2T and WIC 2A S only DSL1 1 DSL digital subscriber line RJ 11C CA11A lavender Network demarcation device for service provider s DSL interface RJ 11 T1 E1 d...

Page 68: ...console port and how to connect a modem to the auxiliary port Note For information on identifying rollover cables see the Identifying a Rollover Cable section on page 3 25 Connecting to the Console Port To connect a console terminal or a PC running terminal emulation software to the console port on the router perform the following steps Step 1 Use the blue RJ 45 to DB 9 console adapter cable to co...

Page 69: ...tor RJ 45 Laptop computer 72068 EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANUA L BEFOR E INSTAL LATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANUA L BEFOR E INSTAL LATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANUA L BEFOR E INSTAL LATION CTRLR E2 CTRLR E1 AL LP CD EN...

Page 70: ...Access Router Cable Specifications on Cisco com Step 2 Make sure that your modem and the router auxiliary port are configured for the same transmission speed up to 115200 bps is supported and hardware flow control with data carrier detect DCD and data terminal ready DTR operations Figure 3 26 Connecting a Modem to the Auxiliary Port on a Cisco 3725 Router 72070 SEE MANUAL BEFORE INSTALLATION AL CD...

Page 71: ...in 8 will be white on the other a rollover cable reverses pins 1 and 8 2 and 7 3 and 6 and 4 and 5 Figure 3 28 Identifying a Rollover Cable 72069 EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANUA L BEFOR E INSTAL LATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK 4 BANK 3 BANK 2 BANK 1 BANK 0 NM HDV VWIC 2MFT E1 SEE MANUA L BEFOR E INSTAL LATION CTRLR E2 CTRLR E1 AL LP CD EN V0 BANK...

Page 72: ...r and interface cables are connected Your PC terminal emulation program is configured for 9600 baud 8 data bits 1 stop bit and no parity You have selected passwords for access control You have determined the IP addresses for the Ethernet and serial interfaces Front Panel Indicators The meanings of the LED indicators for Cisco 3725 and Cisco 3745 routers are described in the following sections For ...

Page 73: ...uous green Installed and operating Amber Installed and powered off or faulty Power Up Procedure To power up your Cisco router and verify that it goes through its initialization and self test follow this procedure When the procedure is finished the Cisco router is ready to configure If you encounter problems when you power up the router see Appendix A Troubleshooting For information about the ROM m...

Page 74: ...ssages the router has booted with a configuration file and is ready for initial configuration using Security Device Manager SDM yourname con0 is now available Press RETURN to get started If SDM is installed on your router we recommend using SDM to perform the initial configuration For configuration procedures using SDM see the quick start guide that shipped with your router You can also access the...

Page 75: ... Using the CLI Manual Configuration section on page 3 32 for instructions on how to use the CLI Note If you need help with interface and port numbering see the Interface Numbering section on page 1 5 Initial Configuration Using SDM If Security Device Manager has been installed on your router the following messages appear at the end of the startup sequence yourname con0 is now available Press RETUR...

Page 76: ...management of the system extended setup will ask you to configure each interface on the system Would you like to enter basic management setup yes no yes Step 3 Enter a host name for the router this example uses 3700 Configuring global parameters Enter host name Router 3700 Step 4 Enter an enable secret password This password is encrypted more secure and cannot be seen when you view the configurati...

Page 77: ...ce FastEthernet0 0 Use the 100 Base TX RJ 45 connector yes yes Operate in full duplex mode no no Configure IP on this interface yes yes IP address for this interface 172 1 2 3 Subnet mask for this interface 255 255 0 0 255 255 0 0 Class B network is 172 1 0 0 16 subnet bits mask is 16 The configuration is displayed The following configuration command script was created hostname fig enable secret 5...

Page 78: ...c to abort configuration dialog at any prompt Default settings are in square brackets Would you like to enter the initial configuration dialog yes no Note If these messages do not appear SDM and a default configuration file have been installed on the router at the factory To use SDM to configure the router see the quick start guide that shipped with your router You can also access the Cisco 3700 s...

Page 79: ... up the Router prompt flashfs 4 Initialization complete Router Step 4 Enter privileged EXEC mode Router enable Router For configuration using the CLI see the Software Configuration Guide for Cisco 2600 Series Cisco 3600 Series and Cisco 3700 Series Routers or the Cisco IOS software configuration documentation You can access these documents on Cisco com ...

Page 80: ...3 34 Cisco 3700 Series Routers Hardware Installation Guide OL 2180 08 Chapter 3 Installing the Router Configuring the Router ...

Page 81: ...d page A 12 Note To troubleshoot a network module see the online Cisco Network Modules Hardware Installation Guide to troubleshoot interface cards see the online Cisco Interface Cards Installation Guide If you cannot locate the source of the problem contact a customer service representative for information on how to proceed For information about obtaining technical support see the Obtaining Techni...

Page 82: ...Both the system LED and the fans can help you troubleshoot a power problem Check the following items to help isolate the problem With the power switch on does the system LED stay on or blink If the LED is green the router is receiving power and is functional If the LED is amber the router is receiving power but is not functional If the LED is off check the power source and power cable With the pow...

Page 83: ...quipment Racks section on page 2 4 Troubleshooting Modules Cables and Connections Network problems can be caused by a module cables or cable connections or external devices such as a modem transceiver hub wall jack WAN interface or terminal Check for the following symptoms to help isolate the problem Module is not recognized by the router Make sure that the module is firmly seated in its slot Chec...

Page 84: ...arity generated or checked d 2 stop bits Router powers on and boots only when a particular module is removed Check the module See the Obtaining Technical Assistance section on page xvii for information about customer service Router powers on and boots only when a particular cable is disconnected There may be a problem with the module or cable See the Obtaining Technical Assistance section on page ...

Page 85: ...nt power system has failed Solid green System is operating normally ACT Off No packet transfers are occurring Blinking System is actively transferring packets Table A 2 Cisco 3745 Router Front Panel Indicators LED Indicator State Description SYS Off Router is not receiving power Blinking green Running ROM monitor with no errors detected Solid green Router is operating normally Amber Router is rece...

Page 86: ...erating normally Amber 48 V power module installed and powered off or fault condition detected Table A 2 Cisco 3745 Router Front Panel Indicators LED Indicator State Description Table A 3 Cisco 3725 Router Rear Panel Indicators LED Indicator State Description CF Off CompactFlash CF memory card can be ejected device is idle Solid or blinking green Do not eject the CF it is busy Fast Ethernet 0 0 AC...

Page 87: ... Ethernet 0 1 ACT Off Interface not receiving packets Solid or blinking green Interface receiving packets Fast Ethernet 0 0 LINK and Fast Ethernet 0 1 LINK Off No link established Solid green Link is established Fast Ethernet 0 0 100Mbps and Fast Ethernet 0 1 100Mbps Off 10 Mbps communication speed attained or no link established Solid green 100 Mbps communication speed attained 72083 EN V0 BANK 4...

Page 88: ... message appears again if the error condition has cleared a recovery message appears Table A 5 describes system error and recovery messages and LED conditions that might accompany them Note Table A 5 does not provide a complete list of system LED conditions For all LED conditions that can occur in your router see the Reading Front Panel LEDs section on page A 4 and the Reading Rear Panel LEDs sect...

Page 89: ...heck the possible causes See also the Site Environment section on page 2 4 and the Equipment Racks section on page 2 4 When the error condition is resolved the following informational message appears OVERTEMP_OK PS LOG_ERR 0 System temperature is now normal System Amber Error THERMAL 3 PS System detected Power System THERMAL FAIL condition Explanation The operating temperature of the specified pow...

Page 90: ...he new power supply When the error condition is resolved the following informational message appears PS 3 DCOUTPUTVOLTOK Power System DC condition is now normal PS1 PS2 LED on power supply rear panel Amber Error PS 3 INPUTVOLTFAIL System detected Power System AC FAIL condition Explanation The cable connected to the specified AC power supply 1 or 2 is loose or the AC power supply has failed Recover...

Page 91: ... informational message appears PS 3 PSOK Power System is now normal Error FAN 3 FAN_FAILED Fan had a rotation error reported Explanation The specified fan is not rotating at the desired speed Recovery Replace the fan cage as described in the Installing Field Replaceable Units in Cisco 3745 Routers hardware configuration note When the error condition is resolved the following informational message ...

Page 92: ...erface of that type was previously configured it is restored to its previous state For more information see the online Cisco Network Modules Hardware Installation Guide This is an informational message that does not require any recovery procedure Error OIR 3 SEATED Insert removal failed for slot x check card seating Explanation The OIR function detected an incorrectly seated network module in the ...

Page 93: ...or information on connecting the console cable There are two ways of entering the ROM monitor mode Use the reload command and the Break key to enter the ROM monitor mode for one time use Break system interrupt is always enabled for 60 seconds after the router reboots regardless of whether Break is configured on or off in the configuration register see Appendix C Configuration Register During this ...

Page 94: ...ter to zero Router configuration register 0x0 Step 2 Restart the router with the reload command Router reload The router boots into ROM monitor mode and the ROM monitor prompt is displayed rommon 1 Note The number that appears in the ROM monitor prompt 1 2 and so forth is the line number It increments each time you enter a ROM monitor command ROM Monitor Commands Enter or help at the ROM monitor p...

Page 95: ...system interrupt at the console ROM Monitor Syntax Conventions ROM monitor syntax in this appendix uses the following conventions Square brackets denote an optional element In the following example the element abc is not required but you can specify it if you choose command abc If a minus option is followed by a colon for example s you must provide an argument for the option A term in italics mean...

Page 96: ...from CompactFlash and then the larger image is downloaded from the TFTP server The boot command syntax is as follows where partition is a partition number in CompactFlash memory filename is the Cisco IOS software image file name tftpserver is the IP address of the TFTP server x directs the router to load the image but not execute the boot process v Verbose specifies that progress print setting mes...

Page 97: ...device partition Lists the files on the named device for example rommon 11 dir flash File size Checksum File name 2229799 bytes 0x220627 0x469e C3700 j m2 help Shows a summary of ROM monitor commands equivalent to meminfo Displays main memory size starting address and available range size of packet memory and size of NVRAM The following example shows the meminfo command rommon 9 meminfo Main memor...

Page 98: ...booted system image This information includes the reason for terminating the image a stack dump of up to eight frames and if an exception is involved the address where the exception occurred for example rommon 8 sysret System Return Info count 19 reason a SegV exception pc 0x802b1040 error address 0x802b1040 Stack Trace FP 0x80908398 PC 0x802b102c FP 0x809083b0 PC 0x802b0b88 FP 0x809083d8 PC 0x801...

Page 99: ...y n n enable load rom after netboot fails y n n enable use all zero broadcast y n n disable break abort has effect y n n enable ignore system config info y n n change console baud rate y n n y enter rate 0 9600 1 4800 2 1200 3 2400 4 19200 5 38400 6 57600 7 115200 0 0 change the boot characteristics y n n y enter to boot 0 ROM Monitor 1 the boot helper image 2 15 boot system 0 0 Configuration Summ...

Page 100: ...page B 6 Note Using a CompactFlash memory card to update the Cisco IOS software image is much faster than using the console port and when available is the recommended method of recovering a software image Description and Options of the xmodem Command The xmodem command establishes a connection between a console and the router console port for disaster recovery if both the boot and system images ar...

Page 101: ...tware image rommon 1 xmodem filename Step 4 Messages similar to the following appear Do not start upload program yet File size Checksum File name 2537948 bytes 0x26b9dc 3700 boot l WARN This operation will ERASE bootflash If the xmodem download to bootflash fails you will lose any good image you may already have in bootflash Invoke this application only for disaster recovery Do you wish to continu...

Page 102: ...B 10 Cisco 3700 Series Routers Hardware Installation Guide OL 2180 08 Appendix B Using the ROM Monitor Recovering Cisco IOS Software Images ...

Page 103: ... register in NVRAM You can use the configuration register to perform the following tasks Set and display the configuration register value Force the router into the ROM monitor bootstrap program Select a boot source and default boot filename Enable or disable the Break function Control broadcast addresses Load operating software from ROM Table C 1 describes each of the configuration register bits T...

Page 104: ... 1 Connect a console terminal to the console port of the router as described in the Connecting to the Console Port section on page 3 22 using the blue RJ 45 to DB 9 console adapter cable Note If you have a terminal with a DB 25 port use an RJ 45 rollover cable and DB 25 adapter The RJ 45 to DB 25 adapter Cisco part number 29 0810 01 can be purchased from Cisco For information about cable pinouts s...

Page 105: ...g line speed 9600 Step 8 Press Ctrl Z to exit configuration mode Step 9 Copy the new console speed to NVRAM Router copy run start The new settings are saved to NVRAM but they are not effective until the router restarts for example when you switch the power off and on or when you enter a reload command from the console Step 10 Enter the show version command to display the configuration register val...

Page 106: ...ing bit 8 causes the processor to interpret Break as a command to force the router into the bootstrap monitor halting normal operation Break can always be sent in the first 60 seconds while the router is rebooting regardless of the configuration settings Bit 9 controls the system boot Clearing bit 9 the factory default causes the system to boot from CompactFlash memory Clearing bit 9 causes the sy...

Page 107: ...ter global configuration mode while in the system software image enter the configure command at the enable prompt as in the following example Router configure Configuring from terminal memory or network terminal terminal Enter configuration commands one per line Edit with DELETE CTRL W and CTRL U end with CTRL Z boot system flash filename To disable Break and enable the boot system flash command e...

Page 108: ...C 6 Cisco 3700 Series Routers Hardware Installation Guide OL 2180 08 Appendix C Configuration Register Enabling Booting from CompactFlash Memory ...

Page 109: ...installation for Cisco 3725 3 4 to 3 6 for Cisco 3745 3 6 to 3 7 brackets rack mounting 3 4 break interrupt command C 4 C cables provided 2 6 Caution symbol meaning ix chassis desktop installation 3 2 dimensions 1 11 grounding 3 9 3 10 3 11 rack mounting 3 3 to 3 8 views 1 2 1 3 Cisco IOS software locating documentation xv recovering images B 8 Cisco Redundant Power System 3 20 CLI for configurati...

Page 110: ... rate asynchronous serial 2 12 modem 3 24 setting for console terminal C 2 C 4 DCE and DTE devices 2 10 DCE connections 2 10 DC power connections Cisco 3725 3 12 to 3 15 Cisco 3745 3 17 to 3 20 DC wiring requirements Cisco 3725 3 13 Cisco 3745 3 18 DC wiring routing Cisco 3725 3 15 debugging commands B 6 desktop installation 3 2 dev command B 5 dimensions chassis 1 11 dir command B 5 distance limi...

Page 111: ...sco 3725 1 6 Cisco 3745 1 8 WAN interfaces Cisco 3725 1 5 Cisco 3745 1 7 IOS software See Cisco IOS software IP telephony power modules 1 9 1 10 ISDN BRI 2 12 2 13 cable specifications 2 13 L LAN connections 3 20 3 21 interface numbering Cisco 3725 1 5 Cisco 3745 1 7 interface types 2 9 2 10 LEDs front panel 3 26 A 4 A 5 rear panel A 6 to A 8 lightning safety 2 2 lost password recovering A 12 M me...

Page 112: ...mand facility 3 29 show hardware command B 5 show version command B 5 C 3 signaling standards serial 2 11 site configuration 2 4 environment 2 4 log 2 6 requirements 2 3 slot numbering 1 5 to 1 8 software image recovery procedure B 8 specifications Cisco 3725 1 11 Cisco 3745 1 11 memory 1 4 processor 1 4 serial ports 2 11 2 12 system 1 11 stack command B 6 static electricity damage 2 2 switched 56...

Page 113: ...A 3 modules A 3 power system A 2 rear panel LEDs A 6 to A 8 V ventilation 2 4 voice connections 3 21 interface numbering Cisco 3725 1 6 Cisco 3745 1 8 W WAN connections 3 21 interface numbering Cisco 3725 1 5 Cisco 3745 1 7 Warning symbol meaning ix wiring power supplies 3 11 to 3 20 telephone 2 2 X xmodem command B 8 ...

Page 114: ...Index IN 6 Cisco 3700 Series Routers Hardware Installation Guide OL 2180 08 ...

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