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2-2

Cisco MWR 1941-DC-A Mobile Wireless Edge Router Hardware Installation Guide

OL-7872-04

Chapter 2      Preparing to Install the Router

    Safety Guidelines

Safety Guidelines

Before you begin the installation of the Cisco MWR 1941-DC-A router, review the safety guidelines in 
this chapter, the 

“Safety Precautions” section on page 1-12

, and the 

“Rack-Mounting Configuration 

Guidelines” section on page 3-3

 to avoid injuring yourself or damaging the equipment.

In addition, before replacing, configuring, or maintaining the Cisco MWR 1941-DC-A router, review the 
safety warnings listed in the document Cisco 

Regulatory Compliance and Safety Information for the 

Cisco MWR 1941-DC-A Mobile Wireless Edge Router

.

Safety with Equipment

The following guidelines will help ensure your safety and protect the equipment. This list is not all- 
inclusive of all potentially hazardous situations, so be 

alert

.

Warning

Read the installation instructions before connecting the system to the power source. 

Statement 1004

•

Always disconnect all power cords and interface cables before moving the system.

•

Never assume that power is disconnected from a circuit; 

always

 check.

•

Keep the chassis area clear and dust-free before and after installation.

•

Keep tools and assembly components away from walk areas where you or others could fall over 
them. 

•

Do not work alone if potentially hazardous conditions exist.

•

Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.

•

Do not wear loose clothing that may get caught in the chassis.

•

Wear safety glasses when working under conditions that may be hazardous to your eyes. 

Safety with Electricity

Warning

Before performing any of the following procedures, ensure that power is removed from the DC circuit. 

Statement 1003

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

Warning

To avoid electric 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

Содержание 1941-DC-A - MWR Mobile Wireless Edge Router

Страница 1: ...Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide March 23 2007 Customer Order Number Text Part Number OL 7872 02 ...

Страница 2: ...ce by using one or more 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 r...

Страница 3: ...lementation 1 2 Cisco Abis and Iub Optimization over IP Implementation 1 3 Cisco GSM Abis Optimization over IP 1 4 Cisco Iub Optimization over IP 1 4 Intelligent Cell Site IP Services 1 4 Cell Site Points of Presence POPs 1 4 Hardware Description 1 6 Cisco MWR 1941 DC A Router Front View 1 7 LEDs 1 8 Cisco MWR 1941 DC A Rear View 1 9 Advance Integration Module for ATM 1 10 Fixed Interfaces 1 10 In...

Страница 4: ... Shipment 2 6 Required Tools and Equipment 2 7 Installation Checklist 2 8 Creating a Site Log 2 9 Console and Auxiliary Port Considerations 2 9 Console Port Connections 2 10 Auxiliary Port Connections 2 10 C H A P T E R 3 Installing the Cisco MWR 1941 DC A Router 3 1 Network Modules and Interface Cards 3 2 Mounting the Cisco MWR 1941 DC A Router 3 2 Rack Mounting Configuration Guidelines 3 3 Attac...

Страница 5: ... 17 Delete Files from a Flash Memory Card 3 18 Rename a File in a Flash Memory Card 3 18 Display File Content 3 18 Create a New Directory 3 19 Remove a Directory 3 19 Enter a Directory and Determine the Current Directory 3 20 What to Do After Installing the Hardware 3 20 A P P E N D I X A Troubleshooting A 1 Problem Solving A 1 Troubleshooting the Power and Cooling Systems A 2 Environmental Report...

Страница 6: ...Contents vi Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide OL 7872 04 ...

Страница 7: ...llation guide Note Use this document along with the documents listed in the Related Documentation section on page xv This preface contains the following sections Document Revision History page viii Objectives page viii Audience page viii Organization page viii Conventions page ix Safety Warnings page x Related Documentation page xv Obtaining Documentation Obtaining Support and Security Guidelines ...

Страница 8: ...d with your router Audience This guide is designed for personnel who install configure and maintain the router These persons should be familiar with electronic circuitry and wiring practices and be experienced electronic or electromechanical technicians This guide identifies certain procedures that should be performed only by trained and qualified personnel Organization The major sections of this ...

Страница 9: ...41 DC A Router Includes router installation information and shows how to connect the router console auxiliary and network ports Appendix A Troubleshooting Describes how to isolate problems read LEDs interpret error and status messages recover an enable password and recover software images Appendix B Cable Specifications Provides cable specifications to use if you plan to build your own cables Appe...

Страница 10: ...tie die lichamelijk letsel kan veroorzaken Voordat u aan enige apparatuur gaat werken dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico s en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen Gebruik het nummer van de verklaring onderaan de waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd wilt r...

Страница 11: ...elssymbolet betyr fare Du er i en situasjon som kan føre til skade på person Før du begynner å arbeide med noe av utstyret må du være oppmerksom på farene forbundet med elektriske kretser og kjenne til standardprosedyrer for å forhindre ulykker Bruk nummeret i slutten av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne enheten TA VARE PÅ DISSE INSTRU...

Страница 12: ...r fara Du befinner dig i en situation som kan leda till personskada Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanliga förfaranden för att förebygga olyckor Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning SPARA DESSA ANVISNINGAR ...

Страница 13: ...s Use o número da 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 ...

Страница 14: ...xiv Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide OL 7872 04 About This Guide Safety Warnings ...

Страница 15: ...ireless Edge Router Software Configuration Guide Cisco MWR 1941 DC A Mobile Wireless Edge Router Rack Mounting Instructions Cisco 2 port T1 E1 RAN Optimization Installation Instructions Release Notes for Cisco MWR 1941 DC A Mobile Wireless Edge Router for Cisco IOS Release 12 4 2 MR Quick Start Guide Network Modules for Cisco 2600 Series Cisco 3600 Series Cisco 3700 Series and Cisco MWR 1941 DC A ...

Страница 16: ...btaining Support and Security Guidelines For information on obtaining documentation obtaining support providing documentation feedback security guidelines and also recommended aliases and general Cisco documents see the monthly What s New in Cisco Product Documentation which also lists all new and revised Cisco technical documentation at http www cisco com en US docs general whatsnew whatsnew html...

Страница 17: ...iversal Mobile Telecommunication System UMTS Radio Access Network RAN backhaul transport and optimization This chapter includes the following sections Introduction page 1 2 Hardware Description page 1 6 Interface Cards page 1 11 Cisco Network Modules page 1 11 Compact Flash Memory page 1 12 Power Supply page 1 12 Environmental Monitoring Temperature Sensor page 1 13 System Specifications page 1 13...

Страница 18: ...earer traffic as well as maintenance control and signaling traffic over the leased line backhaul network between the BTS and leased line termination and aggregation node via compression including Abis Optimization over IP Iub Optimization over IP and cRTP cUDP and packet multiplexing Multilink PPP Figure 1 1 shows an example of the placement of and connections for the Cisco MWR 1941 DC A router in...

Страница 19: ...ic from other radios such as UMTS Node Bs GPRS EDGE 1xEV DO PWLANs and other data overlays This capability reduces the deployment and operating costs for new technologies since the operator avoids the up front and recurring costs of supplementing backhaul capacity It also accelerates time to revenue from deployments of new radio technologies since there is no need for the operator to wait for addi...

Страница 20: ...several opportunities to optimize the Abis interface and thus optimize the backhaul bandwidth efficiency For example when Discontinuous Transmission DTX is employed over the air interface the TRAU frames that are transported on the Abis interface contain standardized redundant bit patterns known as idle silent speech frames FR and EFR or no data frames AMR whenever a voice user is silent typically...

Страница 21: ...he spare backhaul bandwidth made available by Cisco s Abis and Iub Optimization solutions Figure 1 3 Example of Cisco MWR 1941 DC A Router in a Cell Site POP and Cell Site DCN PWLAN WCDMA TDD WiMAX 802 16 20 GSM BTS UMTS Node B R4 R99 HSDPA UMTS Node B RS R6 IP PBX BSC RNC Cisco Mobile Exchange 100Base T T1 E1 Cell Site Access Network BSC RNC Site Mobile Internet Edge Optimized Abis lub over IP Ci...

Страница 22: ...68 synchronous dynamic RAM SDRAM 4 banks or sockets 256 MB factory installed SysAD bus speed and SDRAM local bus speed are 80 Mhz Fixed compact flash CF memory 128 MB located on front panel not field upgradeable Built in fixed high performance advanced integration module for ATM AIM ATM or AIM ATM 8 daughter card providing ATM segmentation and reassembly SAR see the Advance Integration Module for ...

Страница 23: ...n an equipment rack Cisco MWR 1941 DC A Router Front View On the front panel viewing from right to left the Cisco MWR 1941 DC A router see Figure 1 4 shows the orientation of the following components A 2 port T1 E1 RAN installed in two of the three 2 port T1 E1 RAN positions 0 and 1 slots Auxiliary and Console ports Fixed Compact flash slot FE FasatEthernet ports A blank panel installed in the net...

Страница 24: ...2 2 FE ports VWIC position 1 2 ports Compact flash slot Console port Auxiliary port VWIC LEDs Alarm A Loopback A Carrier detect G Power G Air vent both sides Status G Chassis LEDs Activity G Table 1 1 Chassis LEDs LED Color State Description Power labeled PWR Green On Operating voltages on the mainboard are within acceptable ranges Off The router is not connected to a power supply or an error cond...

Страница 25: ...EDs LED Color State Status Activity labeled ACT Green On Data is being transmitted on the link Off No data is being transmitted Speed labeled SPEED Green On A 100 Mbps communication speed has been attained Off Only a 10 Mbps communication speed has been attained or no link has been established Link labeled LINK Green On Ethernet link has been established Off No link has been established Table 1 3 ...

Страница 26: ...M card then interrupts the CPU with reassembled ATM Adaptation Layer traffic packets for backhaul The AIM ATM card supports up to four independent ATM links or two Inverse Mutiplexing over ATM IMA groups The AIM ATM 8 card supports up to eight independent ATM links or four IMA groups To determine which AIM is installed in your Cisco MWR 1941 DC A router use the show diagnostics command in privileg...

Страница 27: ...terface slot of the Cisco MWR 1941 DC A router you can add two more VWIC 2T1 EI RAN cards Information is provided in separate publications For information on the VWIC 2T1 E1 RAN VWICs see the Cisco 2 port T1 E1 RAN Optimization Installation Instructions For software configuration information see the Cisco MWR 1941 DC A Mobile Wireless Edge Router Software Configuration Guide These manuals are on C...

Страница 28: ... power at your site before router installation and periodically after installation to ensure clean power is being received Always disconnect the power source and unplug the power cable before working on the router Install proper grounding for the site to avoid damage from lightning and power surges Warning To avoid electric shock do not connect safety extra low voltage SELV circuits to telephone n...

Страница 29: ...as an interrupt where software takes action to generate the appropriate alarms If the router reaches a temperature of 90 C the power supply will cycle to prevent the router from exceeding that temperature while being powered up System Specifications Table 1 7 lists the system specifications for Cisco MWR 1941 DC A router Table 1 5 Power Supply Connector Pinouts 27 VDC Application Pin 27 VDC Power ...

Страница 30: ...rk module The logical slot numbers are as follows 0 for all built in interfaces 0 for all built in 2 port T1 E1 RAN slots 1 for the network module slot Figure 1 6 Cisco MWR 1941 DC A Router Port Numbers The numbering format is Interface type Slot number Interface number Interface port numbers begin at logical 0 for each interface type ports are numbered from right to left Operating Vibration 0 41 ...

Страница 31: ...empty the logical interfaces in slot W1 are Serial 0 0 and Serial 0 1 If you later add a 2 port T1 E1 RAN to slot W0 the interface numbering shifts The configuration that you created for logical interfaces Serial 0 0 and Serial 0 1 will now be applied to the 2 port T1 E1 RAN in physical slot W0 and you will need to create a new configuration for the logical interfaces that you previously configure...

Страница 32: ...1 16 Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide OL 7872 04 Chapter 1 Product Overview Regulatory Compliance ...

Страница 33: ...04 2 Preparing to Install the Router This chapter describes site requirements and equipment needed to install your Cisco MWR 1941 DC A router It includes the following sections Safety Guidelines page 2 2 Before You Begin page 2 4 Site Planning page 2 4 Console and Auxiliary Port Considerations page 2 9 ...

Страница 34: ...r cords and interface cables before moving the system Never assume that power is disconnected from a circuit always check Keep the chassis area clear and dust free before and after installation Keep tools and assembly components away from walk areas where you or others could fall over them Do not work alone if potentially hazardous conditions exist Do not perform any action that creates a potentia...

Страница 35: ...or removing a router chassis or network processor module Performing most hardware upgrades Never install equipment that appears damaged Carefully examine your work area for possible hazards such as moist floors ungrounded power extension cables and missing safety grounds Never assume that power is disconnected from a circuit always check Never perform any action that creates a potential hazard to ...

Страница 36: ...uter it is important to prepare for installation by Preparing the site site planning and reviewing the installation plans or method of procedures MOPs Unpacking and inspecting the Cisco MWR 1941 DC A router Gathering tools and test equipment required to properly install the Cisco MWR 1941 DC A router Site Planning Typically you should have prepared the installation site beforehand As part of your ...

Страница 37: ...intain a clearance of at least 6 inches 15 24 cm in the front and the rear of the rack at all times If airflow through the equipment rack and the routers that occupy it is blocked or restricted or if the ambient air being drawn into the rack is too warm an overtemperature condition within the rack and the routers that occupy it can occur The site should also be as dust free as possible Dust tends ...

Страница 38: ...2 7 12 Perform the installation Unpacking and Checking the Contents of your Shipment The shipping package for the Cisco MWR 1941 DC A router is designed to reduce the possibility of product damage associated with routine material handling experienced during shipment To reduce the potential damage to the product transport the Cisco MWR 1941 DC A router in its Cisco specified packaging Failure to do...

Страница 39: ...uter to your equipment rack Cables for connection to the WAN and LAN ports depending on the configuration Note For more information on cable specifications see Appendix B Cable Specifications Ethernet hub or PC with a network interface card for connection to the Ethernet LAN port s Console terminal an ASCII terminal or a PC running terminal emulation software that is configured for 9600 baud 8 dat...

Страница 40: ...ection on page 2 9 for information about creating a Site Log along with other records for your new router Installation Checklist for Site Router Name Task Verified by Date Installation Checklist copied Background information placed in Site Log Site power voltages verified Installation site power check completed Required tools available Additional equipment available Router received DVD documentati...

Страница 41: ... performed Intermittent problems Comments and notes Console and Auxiliary Port Considerations The router includes an asynchronous serial console port and an auxiliary port which provide access to the router either locally using a console terminal or remotely using a modem connected to the auxiliary port This section describes important cabling information to consider before connecting a console te...

Страница 42: ...nstructions on installing a console terminal see the Connecting the Console Terminal and Auxiliary Modem Ports section on page 3 8 For cable and port pinouts see the online document Cisco Modular Access Router Cable Specifications This document is provided on the Documentation DVD that accompanied your router and is also available online at Cisco com Auxiliary Port Connections The router includes ...

Страница 43: ...e Cisco MWR 1941 DC A Router page 3 2 Connecting the Chassis Ground and Power page 3 5 Connecting the Console Terminal and Auxiliary Modem Ports page 3 8 Connecting the Network Cables page 3 10 What to Do After Installing the Hardware page 3 20 Warning Only trained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning This unit is intended fo...

Страница 44: ...uter Each Cisco MWR 1941 DC A router has rack mounting brackets installed at the factory If your router did not come with the rack mounting brackets installed the rack mounting bracket kit may have been separately packaged with your router see the Required Tools and Equipment section on page 2 7 for a description of the packaged hardware You can only front flush mount the Cisco MWR 1941 DC A route...

Страница 45: ...rough the routers increasing the potential for overtemperature conditions within the routers Allow at least 19 inches 48 7 cm of clearance at the front and rear of the rack for router maintenance Follow your local practices for cable management Ensure that cables to and from the routers do not impede access to perform equipment maintenance or upgrades Attaching the Rack Mounting Brackets You rack ...

Страница 46: ...n the router and the tendency of the power cables to press on the location of the AIM for ATM card when installed To secure the Cisco MWR 1941 DC A router to the equipment rack you must use the four mounting screws provided for each side or follow your local practices for installing the router into your equipment rack Ensure that the rack mount brackets have been securely fastened see the Attachin...

Страница 47: ...heting torque screwdriver with a Phillips head that exerts up to 15 pound force inches lbf in of pressure Crimping tool as specified by the ground lug manufacturer 10 AWG copper ground wire insulated or noninsulated 18 AWG copper wire for the power cord Wire stripping tool s for stripping both 10 and 18 AWG wire Caution Before making connections to the Cisco MWR 1941 DC A router ensure that you di...

Страница 48: ...rewdriver or a ratcheting torque screwdriver with a Phillips head Step 2 Set the screw aside Step 3 If your ground wire is insulated use a wire stripping tool to strip the 10 AWG ground wire to 0 5 inch 0 02 inch 12 7 mm 0 5 mm for the ground lug or ring terminal see Figure 3 3 Figure 3 3 Stripping a Ground Wire Step 4 Slide the open end of your ground lug or ring terminal over the exposed area of...

Страница 49: ...next section Power Connections to continue the installation Power Connections 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 2002 National Electric Code NEC and other applicable codes Wiring the DC Input Power Source Warning This pr...

Страница 50: ...o avoid disturbing field wiring connections Statement 38 Caution DO NOT power on the unit yet Proceed to the next section Connecting Cables to continue the installation Connecting Cables This section describes how to connect your Cisco MWR 1941 DC A router to external devices and networks It includes the following sections Connecting the Console Terminal and Auxiliary Modem Ports page 3 8 Connecti...

Страница 51: ...ion Identifying a Rollover Cable for a detailed description of how to identify a rollover cable Identifying a Rollover Cable Use a rollover cable to connect to the asynchronous serial console and auxiliary ports You can identify a rollover cable by comparing the two modular ends of the cable Holding the cables side by side with the tab at the rear the wire connected to the pin on the outside of th...

Страница 52: ...console port Modems should always be connected to the auxiliary port Auxiliary Port Follow these steps to connect a modem to the auxiliary port on the router Step 1 Connect a modem to the auxiliary port using an RJ 45 rollover cable with an RJ 45 to DB 25 adapter The provided adapter is labeled MODEM For cable pinouts see the Auxiliary Port Signals and Pinouts section on page B 3 of this guide or ...

Страница 53: ...ts the pinouts and signals for the RJ 45 port Connecting the Cisco 2 port T1 E1 RAN VWIC 2T1 E1 RAN Interface Cables How you connect the ports of Cisco 2 port T1 E1 RAN depends on whether you are using the router in a redundant or non redundant configuration For redundant configurations use a Y cable see the Y Cable Specifications section on page 3 13 Note You must configure HSRP Hot Standby Route...

Страница 54: ...RJ 48C cable Note If you choose to use the Cisco 2 port T1 E1 RAN in a non redundant configuration you must close the relays on the card using the standalone subcommand For more information see the Cisco MWR 1941 DC A Mobile Wireless Edge Router Software Configuration Guide Step 1 Confirm that the router is turned off Step 2 Connect one end of the cable to the T1 or E1 RJ 48C port on the 2 port T1...

Страница 55: ...les should be made with four twisted pair shielded 28 gauge cables The cable length of each stub from the RJ 48C connector to the junction point should not exceed 3 inches 7 62 cm The cable length from junction point to the patch panel is determined by the customer Figure 3 8 Y Cable Specifications All signals that propagate in the same direction must share the same twisted pair For example RX TIP...

Страница 56: ...ithin the power supply when the power cord is connected Statement 4 Warning This equipment is intended to be grounded Ensure that the host is connected to earth ground during normal use Statement 39 Checklist for Power Up You are ready to power up the Cisco MWR 1941 DC A router if the following steps are complete Router is securely mounted Power network and interface cables are properly connected ...

Страница 57: ...AN interface card is communicating with another CSU DSU Off when no carrier has been detected For more detailed information about the LEDs see Appendix A Troubleshooting Power Up Procedure To power up the Cisco MWR 1941 DC A router and verify its initialization and self test follow this procedure When the procedure is finished the Cisco MWR 1941 DC A router is ready to configure Step 1 Remove the ...

Страница 58: ...e and directory procedures for CF memory cards formatted with a Class C Flash file system Copy Files To copy the files to another location use the copy slot0 source filename slot0 tfp lex null nvram pram rcp system tftp xmodem ymodem running config startup config destination filename command The following example shows output for copying a Cisco IOS file from an external CF memory card to a TFTP s...

Страница 59: ...ory card formatted with a Class C Flash file system use the dir slot0 command The following example shows output for displaying the contents of a CF memory card with a Class C Flash file system Router dir slot0 Directory of slot0 3 rw 6455048 Mar 01 2001 00 04 06 mwr1900 i mz 1579 rw 6458584 Mar 01 2001 00 24 38 mwr1900 i mz new 15912960 bytes total 2998272 bytes free Display Geometry and Format I...

Страница 60: ...z 1941ata 3 rw 6458388 Mar 01 1993 00 01 24 mwr1900 i mz 63930368 bytes total 51007488 bytes free Display File Content To display the content of a file in a CF memory card use the more slot0 filename command The following example shows output from the more slot0 command on a CF card Router more slot0 mwr1900 i mz tmp 00000000 7F454C46 01020100 00000000 00000000 ELF 00000010 00020061 00000001 80008...

Страница 61: ...094208 bytes total 121634816 bytes free Router mkdir slot0 config Create directory filename config Created dir slot0 config Router mkdir slot0 config test config Create directory filename config test config Created dir slot0 config test config Router dir slot0 Directory of slot0 3 rw 6458208 Mar 01 1993 00 04 08 mwr1941 i mz tmp 1580 drw 0 Mar 01 1993 23 48 36 config 128094208 bytes total 12162662...

Страница 62: ...tes total 121630720 bytes free Enter a Directory and Determine the Current Directory To enter a directory in CF memory use the cd slot0 directory name command To determine which directory you are in use the pwd command The following example shows output for the following actions Entering the home directory of a CF memory card in an external slot slot0 Verifying that you are in the slot0 directory ...

Страница 63: ...te you received the new chassis Brief description of the problem Brief explanation of the steps you have taken to isolate the problem Note Ensure you provide the customer service representative with any upgrade or maintenance information that was performed on the Cisco MWR 1941 DC A router after your initial installation see the Creating a Site Log section on page 2 9 and Appendix C Site Log for S...

Страница 64: ...quirements in the System Specifications section on page 1 13 Does the router partially boot but the LEDs do not light Check for a power supply failure by inspecting the power LED on the front panel of the router If the LED is on the power supply is functional If the LED is off refer to the Cisco Information Packet for warranty information or contact customer service Environmental Reporting Feature...

Страница 65: ...co IOS software that supports the module Router does not boot properly or it constantly or intermittently reboots Make sure the module is firmly seated in its slot Check the router chassis or software For warranty information refer to the Cisco Information Packet publication that shipped with your router or contact customer service Router boots but the console screen is frozen Check the external c...

Страница 66: ... router is not connected to a power supply or an error condition has been detected in the operating voltages Status labeled STAT Green On The router software has booted up and the system is operational Off The router has not yet booted or an error condition has been detected in the boot process Activity labeled ACT Green On Packets being transferred Off No activity is occurring 65783 SEE MANUAL BE...

Страница 67: ...eled SPEED Green On A 100 Mbps communication speed has been attained Off Only a 10 Mbps communication speed has been attained or no link has been established Link labeled LINK Green On Ethernet link has been established Off No link has been established Table A 3 VWIC LEDs LED Color State Description Alarm labeled AL Amber On A local or remote alarm state exists Off The Cisco 2 port T1 E1 RAN is op...

Страница 68: ...A 6 Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide OL 7872 04 Appendix A Troubleshooting Reading the LEDs ...

Страница 69: ...this appendix provides cable specifications for the Cisco MWR 1941 DC A router and the Cisco 2 port T1 E1 RAN interface card This appendix includes the following sections Console and Auxiliary Port Signals and Pinouts page B 2 Fast Ethernet Connector Pinouts page B 4 T1 E1 Port Pinouts RJ 48 page B 5 Note Pins not listed in the tables in this appendix are not connected ...

Страница 70: ...Port Signals and Pinouts section on page B 3 Console Port Signals and Pinouts Use the thin flat RJ 45 to RJ 45 rollover cable and the RJ 45 to DB 9 female DTE adapter labeled TERMINAL to connect the console port to a PC running terminal emulation software Figure B 1 shows how to connect the console port to a PC Table B 1 lists the pinouts for the asynchronous serial console port the RJ 45 to RJ 45...

Страница 71: ...g and Cabling Using a DB 25 Adapter Console Port DTE 1 1 You can use the same cabling to connect a console to the auxiliary port RJ 45 to RJ 45 Rollover Cable RJ 45 to DB 25 Terminal Adapter Console Device Signal RJ 45 Pin RJ 45 Pin DB 25 Pin Signal RTS 12 2 Pin 1 is connected internally to pin 8 8 5 CTS DTR 2 7 6 DSR TxD 3 6 3 RxD GND 4 5 7 GND GND 5 4 7 GND RxD 6 3 2 TxD DSR 7 2 20 DTR CTS 82 1 ...

Страница 72: ... one connector and pin 8 is white on the other a rollover cable connects pins 1 and 8 2 and 7 3 and 6 and 4 and 5 Figure B 2 Identifying a Rollover Cable Fast Ethernet Connector Pinouts This section illustrates the Fast Ethernet 100Base TX RJ 45 connector and lists its pinout and signal descriptions Figure B 3 shows the 100Base TX RJ 45 connector and Table B 4 on page B 5 lists its pinouts The 1 p...

Страница 73: ... E1 RAN interface card for both the shielded and unshielded cables for either T1 or E1 Figure B 4 RJ 48 to RJ 48 T1 E1 Cable Wiring Note Cisco recommends using a shielded cable for your RJ 48C connectors Table B 4 RJ 45 Connector Pinout Pin Signal 1 TX 2 TX 3 RX 6 RX Table B 5 RJ 48C Pinout for Shielded and Unshielded Cables Shielded Unshielded Pin Description Pin Description 1 Receive ring 1 Rece...

Страница 74: ...B 6 Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide OL 7872 04 Appendix B Cable Specifications T1 E1 Port Pinouts RJ 48 ...

Страница 75: ...d insert it into the Site Log Make entries as you complete each task Upgrade removal and maintenance procedures Use the Site Log as a record of ongoing router maintenance and expansion history Each time a task is performed on the Cisco MWR 1941 DC A router update the Site Log to reflect the following Installation of NM 2W network module Removal or replacement of NM 2W network module and other upgr...

Страница 76: ...C 2 Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide OL 7872 04 Appendix C Site Log Table C 1 Site Log Date Description of Action Performed or Symptom Observed Initials ...

Страница 77: ...act flash description 1 12 formatting 3 15 connecting auxiliary port 3 10 fast ethernet interface cables 3 11 network cables 3 10 power supply 3 5 console port adapter B 3 connections 2 9 2 10 3 10 pinouts B 3 console port signaling cabling DB 25 table B 3 console port signaling cabling DB 9 table B 2 console port signals and pinouts B 2 conventions documentation ix D documentation conventions ix ...

Страница 78: ...g interface 1 14 P power warning 2 2 powering on 3 14 power lines warning 2 3 power supplies warning 2 3 power supply connecting 3 5 description 1 12 power supply warning 3 7 3 14 problem solving See troubleshooting R RAN using the Cisco MWR 1941 DC A 1 2 record keeping site log 2 9 regulatory compliance 1 15 restricted access warning 2 2 3 1 rollover cable identifying 3 9 B 4 S safety information...

Страница 79: ...sensor 1 13 tools required for installation 2 7 troubleshooting cables A 3 connections A 3 cooling system A 2 front panel LEDs A 4 modules A 3 power system A 2 V ventilation 2 5 VWIC connecting 3 12 connecting cables 3 11 description 1 6 RJ 48C pinout 3 12 B 5 VWIC 2MFT T1 DIR 1 11 VWIC 2T1 E1 RAN 1 11 VWIC 3MFT E1 DIR 1 11 W warning short circuit 3 7 warnings safety overview x ...

Страница 80: ...Index IN 4 Cisco MWR 1941 DC A Mobile Wireless Edge Router Hardware Installation Guide OL 7872 04 ...

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