56-K/Switched-56-kbps DSU/CSU Connections | Cisco Systems 2600

Chapter 2 Preparing to Install the Router

Preparing to Connect to a Network

Table 2-5 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 nF1/km	30 nF/km
Impedance (at 96 kHz)	75 ohms	150 ohms

Wire diameter	0.024 in. (0.6 mm)	0.024 in. (0.6 mm)

Distance limitation	32.8 ft (10 m)	32.8 ft (10 m)

1. nF = nanoFarad

For more information on BRI WAN interface cards, refer to the Cisco Interface Cards Installation Guide online document. This document is located on Cisco.com and the Documentation CD-ROM.

56-K/Switched-56-kbps DSU/CSU Connections

Switched-56-kbps connections are provided by the 56-kbps DSU/CSU WAN interface card.

For more information on Switched-56-kbps WAN interface cards, refer to the Cisco Interface Cards Installation Guide online document. This document is located on Cisco.com and the Documentation CD-ROM.

Cisco 2600 Series Routers Hardware Installation Guide

	OL-2171-06	2-13

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Cisco Systems 2600 manual 56-K/Switched-56-kbps DSU/CSU Connections, Low-Capacitance Cable

Contents

Corporate Headquarters Cisco 2600 Series Routers Hardware Installation Guide Cisco 2600 Series Routers Hardware Installation Guide Iii N T E N T S Serial DTE or DCE Devices Initial Configuration Using the Setup Command Facility Procedure for the tftpdnld Command Configuration Register Vii Objectives Organization AudienceConventions Chapter Title Description Bewaar Deze Instructies Safety Warnings Avvertenza Importanti Istruzioni Sulla Sicurezza Warnung Wichtige Sicherheitshinweise Guarde Estas Instruções Aviso Instruções Importantes DE Segurança Xii GEM Disse Anvisninger Xiii Xiv Related Documentation Cisco Product Document Title Duration of Hardware Warranty Cisco 90-Day Limited Hardware Warranty TermsReplacement, Repair, or Refund Policy for Hardware Xvi Documentation Feedback Obtaining DocumentationCisco.com Ordering Documentation Obtaining Technical Assistance Submitting a Service RequestCisco Technical Support Website Xviii Definitions of Service Request Severity Obtaining Additional Publications and InformationXix Preface Obtaining Additional Publications and Information Overview of Cisco 2600 Series Routers Hardware Features Cisco Advanced Reading the Front-Panel LEDs Power Activity RPSPWR SYS/RPS ACT Reading the Rear-Panel LEDs Cisco 2613-Rear-Panel LEDs Link ACTFDX CF1 Modules, Interface Cards, and Memory WAN and LAN Interface Numbering Interface Numbering 11 Interface Numbering in Chassis with 1-RU Height System Specifications Description SpecificationVoice Interface Numbering Regulatory Compliance Safety with Electricity Safety Recommendations Preventing Electrostatic Discharge Damage Power Source Input Power Tolerance Limits Power Supply ConsiderationsGeneral Site Requirements Site Environment Installation Checklist Site ConfigurationEquipment Racks Task Verified by Date Creating a Site Log Inspecting the Router Tools and Equipment for Installation and Maintenance Console Port Connections Console and Auxiliary Port Considerations Auxiliary Port Connections Preparing to Connect to a Network Token Ring Connections Ethernet Connections Configuring Serial Connections Serial ConnectionsSerial DTE or DCE Devices Signaling Standards Supported Distance LimitationsDevice Type Gender Typical Devices Asynchronous/Synchronous Serial Module Baud Rates Isdn BRI ConnectionsEIA/TIA-232 Distance EIA-530 Distance Rate bps Feet Meters Low-Capacitance Cable 56-K/Switched-56-kbps DSU/CSU Connections OL-2171-06 Installing the Router For network modules Installing Modules, Interface Cards, and Power SuppliesFor WICs and VICs For AIMs Setting the Chassis on a Desktop Setting Up the ChassisFor internal power supplies For external power supplies Mounting the Chassis in a Rack Right To the other side of the chassis. Brackets for 19-inch rack Brackets for 19-inch rack To the other side of the chassis Use two screws on each side For 19-inch rack Right bracket Attaching the Brackets to a Router of 2-RU Height V0 EN Installing the Router in a Rack Mounting the Chassis on the Wall Attaching Rubber Feet to the RouterAttaching Wall-Mount Brackets to the Router 16 Attaching the Wall-Mount Brackets Mounting the Router on the Wall 17 Mounting the Chassis on the Wall Installing the Chassis Ground Connection Ring terminal Connecting Routers to AC Power Power Connections DC Wiring Requirements Connecting Routers to a DC-Input Power SupplyRouter DC Input DC Input Wire Size1 15A, 120VAC 10A, 240VAC. Statement Wiring Procedure for DC Input Connecting Routers to the Cisco Redundant Power System Connecting WAN, LAN, and Voice CablesPorts and Cabling Port or Connection Port Type, Color Connected To Cable LAN, WAN, and Voice Connection Procedures Connecting to the Console Port Connecting to a Console Terminal or Modem 23 Connecting to a Console Terminal Connecting to the Auxiliary Port Identifying a Rollover Cable 24 Connecting a Modem to the Auxiliary Port Checklist for Power Up Powering Up the RouterFront Panel Indicators Routers with 1-RU Chassis Height Routers with 2-RU Chassis Height Power-Up Procedure Configuring the Router Initial Configuration Using the Setup Command Facility Initial Configuration Using SDM Enter a hostname for the router this example uses Configuration is displayed Initial Configuration Using the CLI Manual Configuration To proceed with manual configuration using the CLI, enter no OL-2171-06 Isolating Problems Troubleshooting Environmental Reporting Features Troubleshooting the Power and Cooling Systems Troubleshooting Modules, Cables, and Connections Recovering a Lost Password System MessagesCisco Technical Assistance Center Entering ROM Monitor Mode Using the ROM Monitor Enter ROM Monitor Mode by Using the reload Command ROM Monitor Commands Command abc ROM Monitor Command Syntax Conventions ROM Monitor Command Descriptions Router Management CommandsBoot Commands in the ROM Monitor Informational Commands in the ROM Monitor Other Useful ROM Monitor Commands Debugging Commands Modifying the Configuration Register in Menu Mode Configuration Register Commands Modifying the Configuration Register by Hexidecimal Entry Recovering Cisco IOS Software Images Description and Options of the xmodem Command Copying an Image from the Console Using the xmodem CommandProcedure for the xmodem Command Console Requirements Restrictions on the tftpdnld Command Specify the required variables, for example Procedure for the tftpdnld Command DEFAULTGATEWAY=172.16.19.1 Configuration Register Settings Bit Number Hexadecimal MeaningNvram Changing Configuration Register Settings Boot Field Meaning Configuring the Boot Field Bit Address net host Baud Bit Enabling Booting from Flash Memory OL-2171-06 IN-1 Numerics IN-2 Dram LAN Isdn BRILink LED IN-3 IN-4 Sdram IN-5 IN-6