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Chapter 3 Installing the Router

Installing the Chassis

The router is shipped with one set of brackets and the screws to attach the brackets to the router chassis. Figure 3-1through Figure 3-5show both sizes of brackets for the various routers.

Figure 3-1 Cisco 3620 Rack-Mount Brackets

Use with 23-inch rack

Use with 24-inch rack

Bracket for 19-inch rack

Bracket for 23- or 24-inch rack

H7270

Figure 3-2 Cisco 3631 Rack-Mount Brackets for 19-Inch Rack

LEFT	Slots for	RIGHT
	Slots for
	cable tie
	attachment
Narrow bracket for		Wide bracket for
chassis side opposite fans		chassis side with fans

72283

Figure 3-3 Cisco 3631 Rack-Mount Brackets for 23-Inch Rack

23" ETSI, NEBS LEFT

For chassis side

opposite fans

	Slots for	NEBSETSI,	RIGHT
	cable tie	NEBSETSI,	RIGHT
	cable tie
	attachment
		23"

For chassis side

with fans

82532

Cisco 3600 Series Routers Hardware Installation Guide

3-4	OL-2056-05

Image 54

Cisco Systems Cisco 3600 manual Right

Contents

Cisco 3600 Series Routers Hardware Installation Guide Corporate Headquarters Cisco 3600 Series Routers Hardware Installation Guide N T E N T S Creating a Site Log Connecting Routers to the Cisco Redundant Power System Troubleshooting A-1 Preface Objectives Conventions AudienceOrganization Chapter Title Description Safety Warnings Bewaar Deze Instructies Warnung Wichtige Sicherheitshinweise Avvertenza Importanti Istruzioni Sulla Sicurezza Aviso Instruções Importantes DE Segurança Guarde Estas Instruções GEM Disse Anvisninger Xiii Related Documentation Cisco Product Document Title Cisco 90-Day Limited Hardware Warranty Terms Duration of Hardware WarrantyReplacement, Repair, or Refund Policy for Hardware Cisco.com To Receive a Return Materials Authorization RMA NumberObtaining Documentation Documentation CD-ROM Ordering Documentation Documentation FeedbackObtaining Technical Assistance Cisco TAC Website Opening a TAC Case TAC Case Priority Definitions Obtaining Additional Publications and Information Hardware Features Overview of Cisco 3600 Series Routers Cisco Front Panel of the Cisco 3640 Router Front Panel of the Cisco 3660 Router Modules and Interface Cards Cisco 3662 Router with Two Fast Ethernet Interfaces Description Specification Memory Installation DocumentationMemory Specifications Memory 55 KB Slot Numbering Interface NumberingCisco 3620 and Cisco 3640 Interfaces Unit Numbering Cisco 3631 Interfaces Voice Interface NumberingWAN and LAN Interface Numbering Interface Numbering-Example Cisco 3660 Interfaces Cisco 3660 Slot Numbers System Specifications Regulatory Compliance and Safety Information document that Cisco 3631 Router System Specifications Cisco 3640 Router System Specifications Regulatory Compliance OL-2056-05 Safety Recommendations Safety with Electricity Preventing Electrostatic Discharge Damage Power Supply Considerations General Site Requirements Site Configuration Site Environment Equipment Racks Installation Checklist Task Verified by Date Creating a Site Log Inspecting the Router Tools and Equipment for Installation and Maintenance Console and Auxiliary Port Considerations Console Port ConnectionsAuxiliary Port Connections Preparing to Connect to a Network Ethernet Connections Serial Connections Configuring Serial ConnectionsToken Ring Connections Serial DTE or DCE Devices Signaling Standards Supported Distance LimitationsDevice Type Gender Typical Devices EIA/TIA-232 Isdn BRI ConnectionsAsynchronous/Synchronous Serial Module Baud Rates Distance EIA-530 Distance Rate bps Feet Meters 56-K/Switched-56-kbps DSU/CSU Connections Low-Capacitance Cable Installing the Router Installing Modules, Interface Cards, and Power Supplies Installing the Chassis Setting the Chassis on a DesktopRack-Mounting the Chassis Right Attaching Brackets to the Router Cisco 3640 Rack-Mount Brackets Front-Panel-Forward Installation Use two screws on each side 17327 Rear-Panel-Forward Installation Four screws are required on each side 82808 Center-Mount Installation 22 Cisco 3660 Center-Mount Bracket Attachment Mounting the Router in the Rack Inch rack 24-inch rack 26 Mounting the Cisco 3631 Router 19-Inch Rack 28 Mounting the Cisco 3660 Router 19-Inch Rack Attaching Wall-Mount Brackets to the Router Wall-Mounting the Cisco 3620 RouterAttaching Rubber Feet to the Router Mounting the Router on the Wall Installing Chassis Ground Connection Cisco 3620 and Cisco 3640 Chassis Ground Connection Mounting Screws Power supply Bracket NEBS-Compliant Ground Lug Attachment on a Cisco 3640 Router Ring terminal attached to a bracket Power supply Ring terminal Cisco 3631 Chassis Ground Connection Ground lug attachment Cisco 3660 Chassis Ground Connection 103013 Connecting Routers to a DC-Input Power Supply Power ConnectionsConnecting Routers to AC Power 15A, 120VAC 10A, 240VAC. Statement DC Wiring Requirements DC Input DC Input Wire Size 43 DC Power Connections for Cisco 3620 Routers Typical Wiring the DC-Input Power Supply in Cisco 3631 Routers DC InputOvercurrent 45 DC Power Connections for -DC Input to Cisco 3631 Routers Wiring the DC-Input Power Supply in Cisco 3660 Routers 47 Wire Routing and Attachment for Cisco 3631 Routers Wire Termination Safety Ground Overcurrent DC Input Wire Size Method Protection Return Safety ground Wire management bracket Connecting Routers to the Cisco Redundant Power System Connecting WAN, LAN, and Voice Cables Ports and Cabling Port or Connection Port type, color Connected to Cable T1/E1 WAN Connecting WAN, LAN, and Voice Cables Without Chassis Shield Connections for Cisco 3660 Routers LAN, WAN, and voice cables Power wires 54 Removing Panels from Chassis Shield 55 Cables Routed Through Openings in the Chassis Shield Connecting to a Console Terminal or Modem 56 Cables Routed Through the Chassis Cutout Connecting to the Console Port 57 Connecting a Console Terminal to a Cisco 3620 Router 58 Connecting a Console Terminal to a Cisco 3631 Router Connecting to the Auxiliary Port 60 Connecting a Console Terminal to a Cisco 3660 Router Modem Modem cable AUX port Connector RJ-45 RJ-45-to-RJ-45 rollover cable Identifying a Rollover Cable 65 Identifying a Rollover Cable Powering Up the Router Checklist for Power UpFront Panel Indicators Power-Up Procedure Cisco 3620 series and Cisco 3640 series Configuring the Router Initial Configuration Using SDM Initial Configuration Using the Setup Command Facility Summary of the available interfaces is displayed User prompt appears Initial Configuration Using the CLI Manual Configuration Enter privileged Exec mode OL-2056-05 Troubleshooting Isolating Problems Troubleshooting the Power and Cooling Systems Environmental Reporting Features Troubleshooting Modules, Cables, and Connections Reading Front-Panel LEDs Figure A-1 Cisco 3620 Router Front-Panel LEDs Figure A-2 Cisco 3640 Router Front-Panel LEDs Color Power Supply Status Color DescriptionColor RPS Status Front-Panel LEDs on Cisco 3631 Routers LED Reading Rear-Panel LEDs Rear-Panel LEDs on Cisco 3631 RoutersColor Status Rear-Panel LEDs on Cisco 3660 Routers System Error Messages Cisco 3600 Series Error Messages Message Cisco 3660 Error Messages LED Type LED Color Message Fan Cage in Cisco 3660 Routers hardware configuration note Cisco 3600 Series Routers hardware configuration note PS1, PS2 Amber Recovering a Lost Password Using the ROM Monitor Entering ROM Monitor Mode ROM Monitor Commands Enter ROM Monitor Mode by Using the reload Command Command abc ROM Monitor Syntax Conventions ROM Monitor Command Descriptions Router Management CommandsBoot Commands in the ROM Monitor Entering Boot Commands Informational Commands in the ROM Monitor Other Useful ROM Monitor Commands Debugging Commands Configuration Register Commands Modifying the Configuration Register in Menu Mode Recovering Cisco IOS Software Images Description and Options of the xmodem CommandConsole Requirements Procedure for the xmodem Command Configuration Register Configuration Register Settings Changing Configuration Register Settings Bit Number Hexadecimal Meaning Router# config-register 0xvalue Configuring the Boot Field Boot Field Meaning Bit Address net host Baud Bit Enabling Booting from Flash Memory Router# configure Symbols IN-2 IN-3 IN-4 IN-5 IN-6