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Appendix A      Technical Specifications

A-2

Cisco 1751 Router Hardware Installation Guide

78-11258-04

Operating Specifications

Operating temperature

Storage temperature

Operating humidity

32 to 104°F (0 to 40°C)

–40 to 149°F (–20 to 65°C) 

10 to 85%, noncondensing

Table A-1

Router Specifications (continued)

Description

Specification

Summary of Contents for 1751

Page 1: ...ms 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 1751 Router Hardware Installation Guide Customer Order Number DOC 7811258 Text Part Number 78 11258 04 ...

Page 2: ...difying the equipment without Cisco s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices In that event your right to use the equipment may be limited by FCC regulations and you may be required to correct any interference to radio or television communications at your own expense You can determine whether your equipment ...

Page 3: ...herChannel EtherFast EtherSwitch Fast Step FormShare GigaDrive GigaStack HomeLink Internet Quotient IOS IP TV iQ Expertise the iQ logo iQ Net Readiness Scorecard LightStream Linksys MeetingPlace MGX the Networkers logo Networking Academy Network Registrar Packet PIX Post Routing Pre Routing ProConnect RateMUX ScriptShare SlideCast SMARTnet StrataView Plus SwitchProbe TeleRouter The Fastest Way to ...

Page 4: ......

Page 5: ...E R 1 Cisco 1751 Router Overview 1 1 Key Features 1 2 Rear Panel Ports and LEDs 1 4 Front Panel LEDs 1 6 Router Memory 1 9 Types of Memory 1 9 Amounts of Memory 1 10 Unpacking the Router 1 11 Additional Required Equipment 1 11 C H A P T E R 2 Installation 2 1 Before Installing the Router 2 2 Connecting the Router to Your Local Network 2 3 Installing WICs and VICs 2 5 Safety Information 2 5 Connect...

Page 6: ...n Register 3 2 Resetting the Router 3 4 Resetting the Password 3 5 Resetting the Configuration Register Value 3 6 Problem Solving 3 6 OK LED Diagnostics 3 7 Troubleshooting WICs and VICs 3 7 Troubleshooting the Power System 3 11 Troubleshooting ISDN 3 12 Fan Behavior 3 14 A P P E N D I X A Technical Specifications A 1 A P P E N D I X B Cabling Specifications B 1 Ethernet Cables B 1 Ethernet Networ...

Page 7: ...l Private Network Module A 1 Before You Begin A 1 Tools and Equipment Required A 1 VPN Module Parts A 2 Safety Warnings A 2 Preventing Electrostatic Discharge Damage A 3 Installing the VPN Module in a Cisco 1751 Router A 4 Opening the Cisco 1751 Chassis A 4 Installing the VPN Module A 6 Closing the Cisco 1751 Chassis A 9 A P P E N D I X E Installing the Echo Canceler Expansion Modules on Cisco Int...

Page 8: ...Contents viii Cisco 1751 Router Hardware Installation Guide 78 11258 04 ...

Page 9: ...y instructions and information You can access Cisco documentation and additional literature on the World Wide Web at http www cisco com http www china cisco com or http www europe cisco com If you are reading Cisco product documentation on the World Wide Web you can submit comments electronically Click Feedback in the toolbar and select Documentation After you complete the form click Submit to sen...

Page 10: ...ll WAN interface cards WICs and voice interface cards VICs Chapter 3 Troubleshooting describes some problems that you might have with the router and how to solve these problems Appendix A Technical Specifications lists the physical characteristics environmental requirements and power specifications for the router Appendix B Cabling Specifications lists the physical characteristics of the cables an...

Page 11: ...nd virtual LANs VLANs Cisco 1 and 2 port T1 E1 Multiflex Voice WAN Interface Cards for the Cisco 1751 and 1760 Routers provides information about the Cisco 1 port and the Cisco 2 port multiflex trunk interface cards Cisco WAN Interface Cards Hardware Installation Guide describes how to install and configure the WICs and VICs that are supported by the Cisco 1751 router Cisco IOS command reference a...

Page 12: ...die in deze publicatie verschijnen kunt u het document Regulatory Compliance and Safety Information Informatie over naleving van veiligheids en andere voorschriften raadplegen dat bij dit toestel is ingesloten Varoitus Tämä varoitusmerkki merkitsee vaaraa Olet tilanteessa joka voi johtaa ruumiinvammaan Ennen kuin työskentelet minkään laitteiston parissa ota selvää sähkökytkentöihin liittyvistä vaa...

Page 13: ...ta pubblicazione si trova nel documento Regulatory Compliance and Safety Information Conformità alle norme e informazioni sulla sicurezza che accompagna questo dispositivo Advarsel Dette varselsymbolet betyr fare Du befinner deg i en situasjon som kan føre til personskade Før du utfører arbeid på utstyr må du vare oppmerksom på de faremomentene som elektriske kretser innebærer samt gjøre deg kjent...

Page 14: ...uation som kan leda till personskada Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador Se förklaringar av de varningar som förkommer i denna publikation i dokumentet Regulatory Compliance and Safety Information Efterrättelse av föreskrifter och säkerhetsinformation vilket medföljer denna anordning Ta...

Page 15: ...allation Guide 78 11258 04 About This Guide Conventions Nonprinting characters such as passwords appear in angled brackets Default responses to system prompts appear in square brackets Table 1 Command Syntax Guide Convention Description ...

Page 16: ...About This Guide Conventions xvi Cisco 1751 Router Hardware Installation Guide 78 11258 04 ...

Page 17: ...er Overview This chapter introduces the Cisco 1751 router also referred to in this guide as the router and covers the following topics Key Features Rear Panel Ports and LEDs Front Panel LEDs Router Memory Unpacking the Router Additional Required Equipment Figure 1 1 shows the Cisco 1751 router ...

Page 18: ...apable router that provides Voice over IP functionality VoIP and can carry voice traffic for example telephone calls and faxes over an IP network Using one to four WAN connections the router links small to medium size remote Ethernet and FastEthernet LANs to central offices Table 1 1 lists the router key features 46559 PWR ACT 0 1 1 OK 0 SLOT1 0 SLOT0 SLOT2 ETH 1 COL Cisco 1700 S E R I E S ROUTER ...

Page 19: ...nd 2Async Sync Supports the following VICs 2FXS 2FXO 2E M F2XO EU 2FXO M3 and 2 port ISDN Voice BRI Changes in WAN interface configuration can be made as your network requirements change Console port Supports router configuration and management from a connected terminal or PC Supports up to 115 2 kbps Auxiliary port Supports modem connection to the router which can be configured and managed from a...

Page 20: ...erate voice and fax services over the IP network Compatible with Cisco Networked Office stack Stackable with other Cisco Networked Office stack products Table 1 1 Key Features continued Feature Description 5 12 12 VDC CONSOLE AUX Model Cisco 1751 10 100 ETHERNET SLOT 2 SEE MANUAL BEFORE INSTALLATION 1 IN USE VIC 2FXO PVDM OK MOD OK SLOT 1 SLOT 2 OK FDX SLOT 0 OK SLOT 1 OK 100 LINK THIS SLOT ACCEPT...

Page 21: ...or remote configuration using Cisco IOS software Console port CONSOLE light blue Terminal or PC connection for local configuration using Cisco IOS software WIC VIC slot SLOT 0 Supports either a Cisco WIC or VIC For detailed information refer to the Cisco WAN Interface Cards Hardware Installation Guide that comes with every card WIC VIC slot SLOT 1 Supports either a Cisco WIC or VIC For detailed in...

Page 22: ... operating in full duplex mode Off Ethernet port is operating in half duplex mode 100 Green On Ethernet port is operating at 100 Mbps Off Ethernet port is operating at 10 Mbps LINK Green On when the Ethernet link is up SLOT 0 OK Green On when either a WIC or VIC is correctly inserted in the card slot SLOT 1 OK Green On when either a WIC or VIC is correctly inserted in the card slot SLOT 2 OK Green...

Page 23: ... Refer to Table 3 1 in the Troubleshooting chapter for information on how to use this LED for router diagnostics ETH ACT Green Blinks when there is network activity on the Ethernet port COL Yellow Blinks when there are packet collisions on the local Ethernet network SLOTØ Ø Green ISDN On when the first ISDN B channel is connected Serial and CSU DSU Blinks when data is being sent to or received fro...

Page 24: ...S VIC 2BRI NT TE SLOT1 Ø Green ISDN On when the first ISDN B channel is connected Serial and CSU DSU Blinks when data is being sent to or received from the port 2 port serial VIC 2E M VIC 2FXO VIC 2FXS VIC 2BRI NT TE WIC1 ADSL 1 Serial and CSU DSU Off Green ISDN On when the first ISDN B channel is connected 2 port serial Blinks when data is being sent to or received from the port VIC 2E M VIC 2FXO...

Page 25: ... is the main storage memory for the router DRAM is also called working storage and contains the dynamic configuration information The router stores a working copy of Cisco IOS software dynamic configuration information and routing table information in DRAM The Cisco 1751 router ships with 32 MB of DRAM Nonvolatile RAM NVRAM This type of memory contains the startup configuration SLOT2 Ø Green VIC 2...

Page 26: ...ystem Software IOS tm C1700 Software C1700 SV8Y7 M Version 12 2 8 YN EARLY DEPLOYMENT RELEASE SOFTWARE fc1 Synched to technology version 12 2 11 2u T TAC Support http www cisco com tac Copyright c 1986 2002 by cisco Systems Inc Compiled Wed 30 Oct 02 11 07 by ealyon Image text base 0x80008120 data base 0x81329648 ROM System Bootstrap Version 12 2 1r XE1 RELEASE SOFTWARE fc1 ROM C1700 Software C170...

Page 27: ...entation Table 1 6 Additional Required Equipment Equipment When You Use It Ethernet hub A hub connects pieces of network equipment including the router to create a network You can use a 10 100 or 10 100 Mbps hub with the router Ethernet switch A switch connects pieces of network equipment including the router to create a network You can use a 10 100 or 10 100 Mbps switch with the router Phillips s...

Page 28: ...d one cable for each of these connections Standard RJ 11 telephone cable This cable connects the VIC to a telephone fax machine or a telephone wall jack You will need one cable for each of these connections Standard RJ 48 telephone cable This cable connects the VIC to a PBX trunk line You will need one cable for each of these connections Serial cable This cable connects a serial card to serial ser...

Page 29: ...allation This chapter provides the installation procedures for the router in the following sections Before Installing the Router Connecting the Router to Your Local Network Installing WICs and VICs Connecting Power to the Router Verifying Your Installation Optional Installation Steps ...

Page 30: ...ad the safety information in the Regulatory Compliance and Safety Information for Cisco 1700 Routers document that came with your router Warning Read the installation instructions before you connect the system to its power source Warning This equipment needs to be grounded Use a green and yellow 14 AWG ground wire to connect the host to earth ground during normal use Warning Do not work on the sys...

Page 31: ...ause BRI circuits are treated like telephone network voltage avoid connecting the SELV circuits to the telephone network voltage TNV circuits To see translated versions of this warning refer to the Regulatory Compliance and Safety Information for Cisco 1700 Routers document that came with the router Caution Always connect the Ethernet cable to the yellow ports on the router Do not connect the cabl...

Page 32: ... Ethernet hub or switch 10 100 or 10 100 Mbps 5 12 12 VDC CONSOLE AUX Model Cisco 1751 10 100 ETHERNET SEE MA NUAL BEFORE INS TALLATION VIC 2FXO PVDM OK MOD OK SLOT 1 SLOT 2 OK FDX SLOT 0 OK SLOT 1 OK 100 LINK THIS SLOT ACCEPTS ONLY VOICE INTERFACE CARDS SLOT 2 SLOT 0 1 IN USE 0 IN USE SEE MA NUAL BEFORE INS TALLATION VIC 2FXS 1 IN USE 0 IN USE MDI MDI X 5X 6X 7X 8X 1X 2X 3X 4X 10 100 1 SPEED 100B...

Page 33: ...lists safety warnings that you should be aware of before installing WICs or VICs in the router To see translated versions of these warnings refer to the Regulatory Compliance and Safety Information for the Cisco 1700 Routers document that came with the router Warning Before working on a system that has an on off switch turn off the power and unplug the power cord Warning Only trained and qualified...

Page 34: ...nected from the power supply Step 2 Loosen the thumbscrews on the WIC or VIC slot cover on the rear panel as shown in Figure 2 2 You should be able to loosen the screws using your fingers however if the screws are very tight you might need to use a Phillips screwdriver Figure 2 2 Removing a WIC or VIC Slot Cover 46564 Interface card slot cover 5 12 12 VDC CONSOLE AUX Model Cisco 1751 10 100 ETHERN...

Page 35: ...rt the card in the slot and gently push it into the router until the front panel of the card is flush with the rear panel of the router Step 6 Tighten the screws Figure 2 3 Inserting a WIC or VIC in the Router 46565 Interface card 5 12 12 VDC CONSOLE AUX Model Cisco 1750 10 100 ETHERNET SEE MA NUAL BEFORE INS TALLATION VIC 2FXO PVDM OK MOD OK SLOT 1 SLOT 2 OK FDX SLOT 0 OK SLOT 1 OK 100 LINK THIS ...

Page 36: ...sed on the phase conductors all current carrying conductors Warning This equipment needs to be grounded Use a green and yellow 14 AWG ground wire to connect the host to earth ground during normal use Follow these steps to connect power to the router and to turn the router on Step 1 Connect the attached power supply cord to the power socket labeled 5 12 12 VDC on the router rear panel Step 2 Connec...

Page 37: ...software is loaded and functional Blinking means that the router is performing a power on self test POST ETH ACT front panel Blinking when there is network traffic on the local Ethernet LAN 5 12 12 VDC CONSOLE AUX Model Cisco 1750 10 100 ETHERNET SEE MA NUAL BEFORE INS TALLATION VIC 2FXO PVDM OK MOD OK SLOT 1 SLOT 2 OK FDX SLOT 0 OK SLOT 1 OK 100 LINK THIS SLOT ACCEPTS ONLY VOICE INTERFACE CARDS S...

Page 38: ...steps that you might or might not use depending on your site and how you are configuring the router Connecting a PC Connecting a Modem Wall Mounting Connecting a PC If you want to configure the router through the Cisco IOS command line interface CLI you must connect the router console port to a terminal or PC The cable and adapter required for this connection are included with the router To config...

Page 39: ...e auxiliary port a remote user can dial into the router and configure it You can use the light blue console cable that came in the accessory kit If you are using the light blue cable with the console port you can use any crossover RJ 45 to RJ 45 cable 5 12 12 VDC CONSOLE AUX Model Cisco 1750 10 100 ETHERNET SEE MA NUAL BEFORE INS TALLATION VIC 2FXO PVDM OK MOD OK SLOT 1 SLOT 2 OK FDX SLOT 0 OK SLO...

Page 40: ...o the other end of the cable Step 3 Connect the DB 25 end of the adapter to the modem Figure 2 6 Connecting a Modem to the Router 5 12 12 VDC CONSOLE AUX Model Cisco 1750 10 100 ETHERNET SEE MA NUAL BEFORE INS TALLA TIO N VIC 2FXO PVDM OK MOD OK SLOT 1 SLOT 2 OK FDX SLOT 0 OK SLOT 1 OK 100 LINK SLOT 2 THIS SLOT ACCEPTS ONLY VOICE INTERFAC E CARDS SLOT 0 1 IN USE 0 IN USE SEE MA NUAL BEFORE INS TAL...

Page 41: ...ng two number 6 3 4 inch screws and the molded mounting brackets on the bottom of the hub as shown in Figure 2 7 You must provide the screws We recommend using pan head or round head screws Figure 2 7 Wall Mount Brackets Bottom of Router Front panel of router 12016 3 75 9 52 cm Mounting bracket Mounting bracket Mounting bracket Bottom of router Mounting bracket ...

Page 42: ...on the screws with either the left side or right side mounting brackets so that The LEDs are visible to the user The LEDs indicate the router operating status so the LEDs should be easily visible The power supply does not hang from its cable If the power supply is not supported it might disconnect from the cable that connects it to the router Caution If you install the screws in drywall use hollow...

Page 43: ...r Recovering a Lost Password Problem Solving Contacting Cisco or Your Reseller If you cannot locate the source of a problem contact your local reseller for advice Before you call you should have the following information ready Chassis type and serial number Maintenance agreement or warranty information Cisco IOS release installed on your router Date you received the router Brief description of the...

Page 44: ... the configuration register Step 1 Connect an ASCII terminal or a PC running a terminal emulation program to the console port on the rear panel of the router Refer to the section Connecting a PC in the Installation chapter Step 2 Configure the terminal to operate at 9600 baud 8 data bits no parity and 1 stop bit Step 3 Reboot the router by pressing the power switch to the off position and then to ...

Page 45: ...re cisco 1751 MPC860 processor revision 0x5947 with 49152K 16384K bytes of memory Processor board ID JAB30343106 4266066989 with hardware revision 0000 M860 processor part number 5 mask 1 Bridging software X 25 software Version 3 0 0 1 FastEthernet IEEE 802 3 interface s 6 Voice FXS interface s 32K bytes of non volatile configuration memory 8192K bytes of processor board System flash Read Write Co...

Page 46: ...s on how to send a break To send a break in Windows HyperTerminal enter Ctrl Break Step 2 Send a break The terminal displays the following prompt rommon 2 Step 3 Enter confreg 0x142 to reset the configuration register rommon 2 confreg 0x142 Step 4 Initialize the router by entering the reset command rommon 2 reset The router resets and the configuration register is set to 0x142 The router boots the...

Page 47: ...t section Resetting the Configuration Register Value If you are recovering an enable secret password you will not see the display in the show startup config command output Complete the password recovery process by performing the steps in the following Resetting the Password section Resetting the Password Follow these steps to reset the password Step 1 Enter the configure terminal command to enter ...

Page 48: ...fig Ctrl Z Step 4 Reboot the router and enter the recovered password Problem Solving The key to problem solving is to isolate the problem to a specific subsystem by comparing what the router is doing to what it should be doing When problem solving consider the following subsystems of the router WICs and VICs Refer to the LEDs on the cards and the LEDs on the router front panel to help identify a f...

Page 49: ...urned off If the router experiences any of these problems contact your Cisco reseller Troubleshooting WICs and VICs Use the show diag command to help determine problems with a card Router show diag Slot 0 C1751 1FE VE DV Mainboard Port adapter 7 ports Port adapter is analyzed Port adapter insertion time unknown EEPROM contents at hardware discovery Hardware Revision 89 71 PCB Serial Number JAB3034...

Page 50: ...n A0 Deviation Number 0 0 Fab Version 02 PCB Serial Number ICP0339007X RMA Test History 00 RMA Number 0 0 0 0 RMA History 00 Processor type 02 Number of DSP s 2 Type of DSP TMS320C549 EEPROM format version 4 EEPROM contents hex 0x00 04 FF 40 01 5B 41 02 02 82 49 0E E7 01 42 41 30 0x10 80 00 00 00 00 02 02 C1 8B 49 43 50 30 33 33 39 0x20 30 30 37 58 03 00 81 00 00 00 00 04 00 09 02 FF Packet Voice ...

Page 51: ... number 800 02493 02 Test history 0x00 RMA number 00 00 00 Connector type WAN Module EEPROM format version 1 EEPROM contents hex 0x20 01 0E 01 01 01 2B 65 38 50 09 BD 02 00 00 00 00 0x30 58 00 00 00 00 05 15 01 FF FF FF FF FF FF FF FF WIC Slot 2 Dual FXS Voice Interface Card WAN daughter card Hardware revision 1 1 Board revision B0 Serial number 0019621204 Part number 800 02493 02 Test history 0x0...

Page 52: ...e card ports do not initialize Make sure that the card is correctly installed in the router Refer to the Installing WICs and VICs section in the Installation chapter Check the external cable connections to make sure they are secure Router does not boot properly or continuously or intermittently reboots Make sure that the WIC or VIC is correctly installed in the router Refer to the Installing WICs ...

Page 53: ... is disconnected There might be a problem with the WIC or VIC cables Consult your Cisco reseller for warranty information Table 3 2 Troubleshooting WICs and VICs continued Symptom Possible Solutions Table 3 3 Troubleshooting the Power System Symptom Possible Solution s Router shuts down after being on for a short time Make sure that the area in which the router is installed meets the environmental...

Page 54: ...ter clear interface bri1 0 For routers with an ISDN U WIC use the clear controller command to terminate any active ISDN calls to reset the ISDN BRI interface and to reset the ISDN line between the router and the central office switch Do this for each ISDN port installed in the router Router clear controller bri0 Router clear controller bri1 Table 3 4 lists troubleshooting methods for ISDN specific...

Page 55: ...ISDN cables properly connected If yes the ISDN line might be malfunctioning Check with your ISDN service provider Is the NT1 LED on If no the NT1 might be malfunctioning ISDN U Router is on but the NT1 LED on the card is off Is the OK LED on If no the router might be malfunctioning Contact your Cisco reseller Are all ISDN cables properly connected If yes the ISDN line might be malfunctioning Check...

Page 56: ...for the messages CO RUNNING LOOPBACK TESTS or CO TESTING If you receive these messages contact the service provider If Layer 1 status is active does Layer 3 status say 2 Active Layer 3 calls Router might have called itself Check destination phone number configured with the dialer map command or the dialer string command If Layer 1 status is active does Layer 3 status say No Active Layer 3 call s C...

Page 57: ... Router Specifications Description Specification Console port RJ 45 Auxiliary port RJ 45 Ethernet port RJ 45 Dimensions H x W x D 4 x 11 2 x 8 7 in 10 16 x 28 45 x 22 10 cm Weight Weight without interface cards Weight with three interface cards 3 lb 1 4 kg 3 5 lb 1 75 kg Power supply External On board Universal AC DC switching Supplies 5V 12V and 12V Supplies 3 3V and 5V Power consumption 18W ...

Page 58: ...ardware Installation Guide 78 11258 04 Operating Specifications Operating temperature Storage temperature Operating humidity 32 to 104 F 0 to 40 C 40 to 149 F 20 to 65 C 10 to 85 noncondensing Table A 1 Router Specifications continued Description Specification ...

Page 59: ...nouts for 2 Port ISDN BRI Card Note For detailed information about cables used with Cisco WICs and VICs refer to the Cisco WAN Interface Cards Hardware Installation Guide that comes with each of the cards Ethernet Cables This section describes the Ethernet cables you use to connect the router to your local Ethernet network A 10 100BaseTX router like the Cisco 1751 router requires Category 5 unshie...

Page 60: ...the manufacturer of the network equipment Table B 1 Straight Through Ethernet Cable RJ 45 to RJ 45 Pinouts RJ 45 Pin1 1 Pins 4 5 7 and 8 are not used for signaling but to reduce radiated cable emissions Signal Direction RJ 45 Pin 1 TX 1 2 TX 2 3 RX 3 6 RX 6 Table B 2 Ethernet Cabling Guidelines Specification 10BaseT 100BaseTX Maximum segment length 100 meters 100 meters Maximum number of segments ...

Page 61: ... included adapters This table also includes pinouts for a DB 9 to RJ 45 console adapter Maximum hop count1 4 With Class I repeaters none With Class II repeaters 1 Maximum number of nodes per segment 1024 1024 Cable type required UTP Category 3 4 or 5 UTP Category 5 or STP 1 Hop count Routing metric used to measure the distance between a source and a destination Table B 2 Ethernet Cabling Guideline...

Page 62: ...er cable Figure B 1 Identifying a Rollover Cable TXD 3 6 2 3 RXD GND 4 5 5 7 GND GND 5 4 5 7 GND RXD 6 3 3 2 TXD DSR 7 2 4 20 DTR CTS 8 1 7 4 RTS Table B 3 Console Cable and Adapter Pinouts continued Console DTE Console Port Console Cable Adapter Adapter Terminal DTE Signal RJ 45 Pin RJ 45 Pin DB 9 Pin DB 25 Pin Signal Pin 1 H10632 Pin 8 Pin 1 on one connector and pin 8 on the other connector shou...

Page 63: ...1 modular telephone cable to connect FXO VIC ports color coded pink to the PSTN or to a PBX that does not support E M signaling Standard RJ 48S connector and cable to connect E M VIC ports color coded brown to a PBX line The cable wiring depends on the PBX type and connection For details refer to the Cisco WAN Interface Cards Hardware Installation Guide Figure B 2 shows how to connect the VICs to ...

Page 64: ...the PBX type and connection Table B 5 lists the pinouts for this connector Note Pins that are not used should not be connected Table B 4 RJ 11 Pinouts Pin Signal 1 2 3 Ring 4 Tip 5 6 Table B 5 E M Pinouts Pin Signal Description 1 SB 48V signaling battery 2 M lead Signaling input 3 R Ring audio input 4 R or R1 Ring audio input output or output 5 T or T1 Tip audio input output or output 6 T Tip audi...

Page 65: ... to an ISDN network through a telephone wall outlet or other device Note When the interface is configured as NT and is connecting to a TE device the cable must have the transmit and receive pins swapped crossover cable See Table 6 Table 6 Interface Pin Numbers and Functions ISDN BRI NT TE NT Interface use straight through cable TE Interface use crossover cable Pin 3 T Pin 3 R Pin 3 T Pin 4 R Pin 4...

Page 66: ...Appendix B Cabling Specifications Cables and Pinouts for 2 Port ISDN BRI Card B 8 Cisco 1751 Router Hardware Installation Guide 78 11258 04 ...

Page 67: ...ssis Locating Modules Installing a Dual In Line Memory Module Installing a Packet Voice Data Module Closing the Chassis Safety Information This section contains safety information that you should read before installing or upgrading memory in the router Warning Before working on a system that has an on off switch turn off the power and unplug the power cord Warning Before opening the chassis discon...

Page 68: ...cted Warning Before working on equipment that is connected to power lines remove jewelry including rings necklaces and watches Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals Warning Only trained and qualified personnel should be allowed to install or replace this equipment Warning Hazardous network voltages are pr...

Page 69: ... requires a number one Phillips screwdriver Follow these steps to open the chassis Step 1 Make sure the router is turned off and is disconnected from the power supply Step 2 Turn the router upside down and rest the top of the router on a flat surface Step 3 Use the Phillips screwdriver to remove the four screws that hold the top and bottom of the chassis together as shown in Figure C 1 on page C 4...

Page 70: ...isconnecting the fan cable from the connector labeled FAN on the motherboard Step 6 Place the router bottom on an antistatic mat and begin installing memory 5 1 2 1 2 V D C C O N S O L E A U X M o d e l C i s c o 1 7 5 1 1 0 1 0 0 E T H E R N E T S E E M A N U A L B E F O R E IN S T A L L A T IO N V IC 2 F X O P V D M O K M O D O K S L O T 1 S L O T 2 O K F D X S L O T 0 O K S L O T 1 O K 1 0 0 L ...

Page 71: ...Voice Data Modules Locating Modules Locating Modules Figure C 2 shows where to install a dual in line memory module DIMM and packet voice data modules PVDMs on the motherboard Figure C 2 Cisco 1751 Motherboard Module Locations DIMM slot 46572 WIC VIC slot 1 top WIC VIC slot 0 bottom PVDM slot VIC slot 2 Fan connector ...

Page 72: ...ure wear grounding wrist straps to avoid ESD damage to the router Do not directly touch the backplane with your hand or any metal tool or you could shock yourself Step 1 Locate the DIMM slot on the motherboard shown in Figure C 2 Step 2 Remove any existing DIMM by pulling the DIMM slot guides shown in Figure C 3 away from the DIMM and down towards the motherboard Step 3 Hold the replacement DIMM w...

Page 73: ...Supports up the four DSPs PVDM 20 Supports up to five DSPs Each DSP supports two analog voice ports or one ISDN BRI port Each analog VIC used with the Cisco 1751 router has two voice ports and requires a single DSP The 2 port ISDN Voice BRI requires two DSPs Table C 1 shows the possible combinations of PVDMs and voice ports for the Cisco 1751 router The Cisco 1751 router has two PVDM slots Any of ...

Page 74: ...ate the PVDM slots on the motherboard See Figure C 2 Step 2 Remove any existing PVDMs by pulling the PVDM snaps away from the PVDM See Figure C 4 Step 3 Hold the replacement PVDM with the double notched edge on your left Step 4 Insert the PVDM into the PVDM slot making sure that the notches on the edge of the PVDM are inserted over the bars inside the PVDM slot See Figure C 4 Table C 1 PVDM and VI...

Page 75: ...board close the chassis by following these steps Step 1 If you disconnected the fan from the motherboard as described in the Opening the Chassis section reconnect the fan cable to the connector labeled FAN on the motherboard Step 2 Locate the posts that protrude from the inside of the chassis cover and the corresponding openings on the chassis bottom Step 3 Line up the posts with the corresponding...

Page 76: ...oice Data Modules Closing the Chassis C 10 Cisco 1751 Router Hardware Installation Guide 78 11258 04 Figure C 5 Closing the Chassis 46571 SEE MANUAL BEFORE IN STALLATIO N VIC 2FXO 1 IN USE 0 IN USE SEE MANUAL BEFORE IN STALLATIO N VIC 2FXS 1 IN USE 0 IN USE ...

Page 77: ...Network VPN module in your Cisco 1751 router Before You Begin This section describes important safety information and the tools required to install the VPN module Read this section before installing the VPN module in a Cisco 1751 router Tools and Equipment Required The following items are required to install the VPN module Number 1 Phillips screwdriver VPN module and associated parts ...

Page 78: ...act with telephone network voltages Warning Do not work on the system or connect or disconnect cables during periods of lightning activity Warning Do not touch the power supply when the power cord is connected For systems with a power switch line voltages are present within the power supply even when the power switch is off and the power cord is connected For systems without a power switch line vo...

Page 79: ... from the router first Preventing Electrostatic Discharge Damage Before installing a VPN module read the electrostatic discharge ESD instructions in this section ESD is a discharge of stored static electricity that can damage equipment and impair electrical circuitry It occurs when electronic components are improperly handled and can result in complete or intermittent failures Following are guidel...

Page 80: ...ackplane with your hand or any metal tool or you could shock yourself Installing the VPN Module in a Cisco 1751 Router This section describes how to install the VPN module in a Cisco 1751 router It contains the following sections Opening the Cisco 1751 Chassis Installing the VPN Module Closing the Cisco 1751 Chassis Opening the Cisco 1751 Chassis To install the VPN module you must open the chassis...

Page 81: ...p of the router chassis from the motherboard Do this by disconnecting the fan cable from the connector labeled FAN on the motherboard 5 1 2 1 2 V D C C O N S O L E A U X M o d e l C i s c o 1 7 5 1 1 0 1 0 0 E T H E R N E T S E E M A N U A L B E F O R E IN S T A L L A T IO N V IC 2 F X O P V D M O K M O D O K S L O T 1 S L O T 2 O K F D X S L O T 0 O K S L O T 1 O K 1 0 0 L IN K S L O T 2 T H IS S...

Page 82: ... the VPN Module Follow the steps in this section to install the VPN module Step 1 The VPN module plugs into a socket as shown in Figure D 2 Step 2 Using two of the screws provided attach the standoffs to the 1751 motherboard a Locate the holes in the motherboard Figure D 2 Cisco 1751 Standoff Location b Turn the motherboard over and attach the standoffs to it using two of the screws provided as sh...

Page 83: ...8 04 Appendix D Installing the Virtual Private Network Module Installing the VPN Module in a Cisco 1751 Router Figure D 3 Securing the Standoff to the 1751 Motherboard Step 3 Locate the VPN module socket and insert the VPN module as shown in Figure D 4 50191 ...

Page 84: ...alling the VPN Module in a Cisco 1751 Router D 8 Cisco 1751 Router Hardware Installation Guide 78 11258 04 Figure D 4 Cisco 1751 Motherboard VPN Module Location Step 4 Pushing down with both thumbs as shown in Figure D 5 plug the VPN module into the socket 50190 ...

Page 85: ...steps Step 1 If you disconnected the fan from the motherboard as described in the Opening the Cisco 1751 Chassis section reconnect the fan cable to the connector labeled FAN on the motherboard Step 2 Locate the posts that protrude from the inside of the chassis cover and the corresponding openings on the chassis bottom Step 3 Line up the posts with the corresponding openings as shown in Figure D 6...

Page 86: ... the VPN Module in a Cisco 1751 Router D 10 Cisco 1751 Router Hardware Installation Guide 78 11258 04 Figure D 6 Closing the Cisco 1751 Chassis 46571 SEE MANUAL BEFORE IN STALLATIO N VIC 2FXO 1 IN USE 0 IN USE SEE MANUAL BEFORE IN STALLATIO N VIC 2FXS 1 IN USE 0 IN USE ...

Page 87: ...ollowing multiflex trunk interface cards on the Cisco 1751 support hardware based echo cancellation features through an optional echo canceler expansion module installed on the main board of the interface card 1 Port RJ 48 Multiflex Trunk T1 E1 VWIC2 1MFT T1 E1 with voice only support 2 Port RJ 48 Multiflex Trunk T1 E1 VWIC2 2MFT T1 E1 with voice only support Note For additional information about ...

Page 88: ... echoes the echo canceler generates and transmits a signal that is sent back to the caller to cancel out the echo The amount of time that it takes the echo canceler to locate the echo and to generate its opposite signal is called convergence time typically a few seconds During convergence the caller hears echo which should gradually decrease in amplitude to zero when convergence is complete For ad...

Page 89: ...sion module for multiflex trunk EC MFT 32 64 channel echo canceler expansion module for multiflex trunk EC MFT 64 Installing and Configuring the Echo Canceler Expansion Modules For information about installing the echo canceler expansion modules on the 1 port RJ 48 T1 E1 multiflex trunk and on the 2 port RJ 48 T1 E1 multiflex trunk interface cards refer to the Installing Echo Canceler Expansion Mo...

Page 90: ...Appendix E Installing the Echo Canceler Expansion Modules on Cisco Interface Cards E 4 Cisco 1751 Router Hardware Installation Guide 78 11258 04 ...

Page 91: ...panel LEDs 1 6 console 2 10 B 3 Ethernet 2 3 B 1 included with router 1 11 required 1 11 rollover B 4 serial 1 12 specifications B 1 VIC B 5 caution described xii chassis closing C 9 A 9 dimensions A 1 opening C 3 A 4 Cisco contacts 3 1 Cisco ConfigMaker support 1 4 Cisco Networked office stack 1 4 clear controller command 3 12 clear interface command 3 12 closing chassis C 9 A 9 command conventio...

Page 92: ...2 3 router to power 2 8 connectors rear panel 1 5 console port connecting 2 10 featured 1 3 1 5 illustrated 1 4 specifications A 1 contacts Cisco and reseller 3 1 conventions command xiv text xi copy command 3 6 D dialer map command 3 14 dialer string command 3 14 digital signal processor C 7 DIMM installing C 6 locating on router C 5 documentation included xi DRAM overview 1 9 DSP C 7 E E M VIC p...

Page 93: ... F fax support 1 4 features key 1 2 Flash memory locating on router C 5 overview 1 10 front panel illustrated 1 6 LEDs 1 6 FXO VIC port B 5 FXS VIC port B 5 G ground wire 1 5 H hardware specifications A 1 I indicators see LEDs installation equipment you provide 1 11 router 2 2 verifying using LEDs 2 9 installing DIMM C 6 memory C 1 PVDM C 7 voice interface cards 2 5 wall mounting 2 5 WAN interface...

Page 94: ...g on router C 5 overview 1 10 installing and upgrading C 1 router 1 9 modem connecting to router 2 11 required 1 12 support 1 3 module DIMM installing C 6 locating on router C 5 mini Flash locating on router C 5 PVDM installing C 7 locating on router C 5 mounting wall 2 13 multiflex trunk interface cards E 1 N note described xi NT1 1 12 NVRAM overview 1 9 O OK LED description 1 7 diagnostics 3 7 o...

Page 95: ... FXS VIC B 5 rear panel 1 4 power socket connecting 2 8 description 1 5 illustrated 1 4 problem solving 3 6 specifications A 1 troubleshooting 3 11 problem solving router 3 6 protective earth 1 5 publications see documentation PVDM installing C 7 R rear panel connectors 1 4 ports 1 4 required equipment 1 11 reset command 3 4 resetting the router 3 4 rollover cable B 4 router connecting to a modem ...

Page 96: ...cal A 1 T technical specifications A 1 terminal emulation settings 2 10 text conventions xi troubleshooting contacts 3 1 ISDN 3 12 OK LED 3 7 password recovery 3 2 power system 3 11 WICs and VICs 3 7 U unpacking the router 1 11 to 1 11 V verifying installation 2 9 voice interface cards installing 2 5 pinout B 5 problem solving 3 6 required 1 12 router slots 1 5 supported cards 1 3 troubleshooting ...

Page 97: ...IN 7 Cisco 1751 Router Hardware Installation Guide 78 11258 04 Index troubleshooting 3 7 WIC VIC slot 1 5 World Wide Web address ix ...

Page 98: ...Index IN 8 Cisco 1751 Router Hardware Installation Guide 78 11258 04 ...

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