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Connecting to a Console Terminal or Modem, Connecting to the Console Port

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Connecting to a Console Terminal or Modem Chapter 3 Installing the Router For more information about connecting and configuring network modules, WAN interface cards, and voice interface cards, refer to the following documents: • Cisco Network Modules Installation Guide • Cisco Interface Cards Installation Guide Connecting to a Console Terminal or Modem Your router includes asynchronous serial console and auxiliary ports. These ports provide administrative access to your router either locally (with a console terminal) or remotely (with a modem). Cisco provides the following cables and adapters for connecting your router to a console terminal, PC, or modem: • One console adapter cable (RJ-45-to-DB-9, blue) • One modem adapter cable (RJ-45-to-DB-25, black) This section describes how to connect a console terminal or PC to the console port, and how to connect a modem to the auxiliary port. It contains the following sections: • Connecting to the Console Port, page 3-20 • Connecting to the Auxiliary Port, page 3-21 • Identifying a Rollover Cable, page 3-22 Note For information on identifying rollover cables, refer to the "Identifying a Rollover Cable" section on page 3-22. 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 procedure: Step 1 Connect the terminal using the blue RJ-45-to-DB-9 adapter cable. (See Figure 3-23.) For information about console port pinouts, refer to the Cisco Modular Access Router Cable Specifications document available online and on the Documentation CD-ROM. Note On the Cisco routers, the console port is color-coded blue. Step 2 Configure your terminal or PC terminal emulation software for 9600 baud, 8 data bits, no parity, and 1 stop bit. Note Because hardware flow control is not possible on the console port, we do not recommend that modems be connected to the console port. Modems should be connected only to the auxiliary port. 3-20 Cisco 2600 Series Routers Hardware Installation Guide OL-2171-06

Section	Page
Cisco 2600 Series Routers Hardware Installation Guide	1
Contents	3
Preface	7
Objectives	7
Audience	8
Organization	8
Conventions	8
Safety Warnings	9
Related Documentation	14
Cisco 90-Day Limited Hardware Warranty Terms	16
Obtaining Documentation	17
Cisco.com	17
Ordering Documentation	17
Documentation Feedback	17
Obtaining Technical Assistance	18
Cisco Technical Support Website	18
Submitting a Service Request	18
Definitions of Service Request Severity	19
Obtaining Additional Publications and Information	19
Overview of Cisco2600 Series Routers	21
Hardware Features	21
Reading the Front-Panel LEDs	23
Reading the Rear-Panel LEDs	25
Modules, Interface Cards, and Memory	28
Interface Numbering	29
WAN and LAN Interface Numbering	29
Voice Interface Numbering	31
System Specifications	31
Regulatory Compliance	32
Preparing to Install the Router	33
Safety Recommendations	33
Safety with Electricity	33
Preventing Electrostatic Discharge Damage	34
General Site Requirements	35
Power Supply Considerations	35
Site Environment	35
Site Configuration	36
Equipment Racks	36
Installation Checklist	36
Creating a Site Log	37
Inspecting the Router	38
Tools and Equipment for Installation and Maintenance	38
Console and Auxiliary Port Considerations	39
Console Port Connections	39
Auxiliary Port Connections	40
Preparing to Connect to a Network	40
Ethernet Connections	41
Token Ring Connections	41
Serial Connections	42
Configuring Serial Connections	42
Serial DTE or DCE Devices	42
Signaling Standards Supported	43
Distance Limitations	43
Asynchronous/Synchronous Serial Module Baud Rates	44
ISDN BRI Connections	44
56-K/Switched-56-kbps DSU/CSU Connections	45
Installing the Router	47
Installing Modules, Interface Cards, and Power Supplies	48
Setting Up the Chassis	49
Setting the Chassis on a Desktop	49
Mounting the Chassis in a Rack	50
Attaching the Brackets to Cisco261x, Cisco262x, Cisco26xxXM, and Cisco265x Series Routers	51
Attaching the Brackets to a Router of 2-RU Height	55
Installing the Router in a Rack	56
Mounting the Chassis on the Wall	57
Attaching Rubber Feet to the Router	57
Attaching Wall-Mount Brackets to the Router	57
Mounting the Router on the Wall	58
Installing the Chassis Ground Connection	59
Power Connections	61
Connecting Routers to AC Power	61
Connecting Routers to a DC-Input Power Supply	62
DC Wiring Requirements	62
Connecting Routers to the Cisco Redundant Power System	64
Connecting WAN, LAN, and Voice Cables	64
Ports and Cabling	64
LAN, WAN, and Voice Connection Procedures	65
Connecting to a Console Terminal or Modem	66
Connecting to the Console Port	66
Connecting to the Auxiliary Port	67
Identifying a Rollover Cable	68
Powering Up the Router	69
Checklist for Power Up	69
Front Panel Indicators	69
Power-Up Procedure	70
Configuring the Router	71
Initial Configuration Using SDM	72
Initial Configuration Using the Setup Command Facility	72
Initial Configuration Using the CLI (Manual Configuration)	74
Troubleshooting	77
Isolating Problems	77
Troubleshooting the Power and Cooling Systems	78
Environmental Reporting Features	78
Troubleshooting Modules, Cables, and Connections	79
System Messages	80
Recovering a Lost Password	80
Cisco Technical Assistance Center	80
Using the ROMMonitor	81
Entering ROM Monitor Mode	81
ROM Monitor Commands	82
ROM Monitor Command Syntax Conventions	83
ROM Monitor Command Descriptions	84
Router Management Commands	84
Boot Commands in the ROM Monitor	84
Informational Commands in the ROM Monitor	85
Other Useful ROM Monitor Commands	86
Debugging Commands	86
Configuration Register Commands	87
Recovering Cisco IOS Software Images	88
Copying an Image from the Console Using the xmodem Command	89
Description and Options of the xmodem Command	89
Console Requirements	89
Procedure for the xmodem Command	89
Copying an Image from a TFTP Server Using the tftpdnld Command	90
Restrictions on the tftpdnld Command	90
Procedure for the tftpdnld Command	91
Configuration Register	93
Configuration Register Settings	93
Changing Configuration Register Settings	94
Configuring the Boot Field	95
Enabling Booting from Flash Memory	97

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3-20

Cisco 2600 Series Routers Hardware Installation Guide

OL-2171-06

Chapter 3

Installing the Router

Connecting to a Console Terminal or Modem

For more information about connecting and configuring network modules, WAN interface cards, and

voice interface cards, refer to the following documents:

•

Cisco Network Modules Installation Guide

•

Cisco Interface Cards Installation Guide

Connecting to a Console Terminal or Modem

Your router includes asynchronous serial console and auxiliary ports. These ports provide administrative

access to your router either locally (with a console terminal) or remotely (with a modem).

Cisco provides the following cables and adapters for connecting your router to a console terminal, PC,

or modem:

•

One console adapter cable (RJ-45-to-DB-9, blue)

•

One modem adapter cable (RJ-45-to-DB-25, black)

This section describes how to connect a console terminal or PC to the console port, and how to connect

a modem to the auxiliary port. It contains the following sections:

•

Connecting to the Console Port, page 3-20

•

Connecting to the Auxiliary Port, page 3-21

•

Identifying a Rollover Cable, page 3-22

Note

For information on identifying rollover cables, refer to the

“Identifying a Rollover Cable” section on

page 3-22

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 procedure:

Step 1

Connect the terminal using the blue RJ-45-to-DB-9 adapter cable. (See

Figure 3-23

For information about console port pinouts, refer to the

Cisco Modular Access Router Cable

Specifications

document available online and on the Documentation CD-ROM.

Note

On the Cisco routers, the console port is color-coded blue.

Step 2

Configure your terminal or PC terminal emulation software for 9600 baud, 8 data bits, no parity, and

1 stop bit.

Note

Because hardware flow control is not possible on the console port, we do not recommend that modems

be connected to the console port. Modems should be connected only to the auxiliary port.