Connection Procedures And Precautions; Connecting To A Console Terminal Or Modem - Cisco 2851 - Integrated Services Router User Manual

Connection Procedures and Precautions

Connect each WAN, LAN, and voice cable to the appropriate connector on the chassis or on a network
module or interface card.
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For cable pinouts, refer to the

Connecting to a Console Terminal or Modem

Your router has asynchronous serial console and auxiliary ports for system management. These ports
provide administrative access to your router either locally (with a console terminal or PC) or remotely
(with a modem).
Cisco provides the following cables for connecting your router to a console terminal, PC, or modem:
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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.
Table 4 System Management Connections
Port
Console
Auxiliary
For information about cable pinouts, refer to the
document.
OL-5787-02
Position the cables carefully, so that they do not put strain on the connectors.
Organize cables in bundles so that cables do not intertwine.
Inspect the cables to make sure that the routing and bend radiuses are satisfactory. Reposition cables,
if necessary.
Install cable ties in accordance with site requirements.
One console cable (RJ-45-to-DB-9, blue)
One modem cable (RJ-45-to-DB-25, black) (Cisco 2811, Cisco 2821, and Cisco 2851 only)
One DB-9-to-DB-25 adapter (Cisco 2801 only)
Color Connected To:
Light blue PC or ASCII terminal communication port
(usually labeled COM)
Black Modem for remote access
Cisco Modular Access Router Cable Specifications
Table 4 summarizes the system management connections.
Cisco Modular Access Router Cable Specifications
Cable Connection Procedures for Cisco 2800 Series Routers
Connecting to a Console Terminal or Modem
document.
Cable
RJ-45-to-DB-9 console cable
RJ-45-to-DB-25 modem cable or
RJ-45-to-DB-9 console cable with a
DB-9-to-DB25 adapter
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