Cisco uBR904 Installing page 6

Connecting Console Cables
Connecting Console Cables
The console port for the Cisco uBR904 cable modem is located on the back of the unit. This
section contains connection equipment and pinout information for the console port on the
Cisco uBR904 cable modem.
Note
troubleshooting. Most troubleshooting can be completed without using the console port.
We recommend that you only use the console port if all other troubleshooting steps fail to
pinpoint a failure.
If you do not plan to use the console port, proceed to the section "Connecting Power," later
in this chapter.
Console Port Connection Equipment
The console port is configured as data communications equipment (DCE). There is one
console port on the back of the Cisco uBR904 cable modem; it uses an RJ-45 connector.
RJ-45-to-DB-25 adapters are available for connection to modems and other external
communications equipment.
Note
must be capable of asynchronous transmission. (Asynchronous is the most common type
of serial device.)
Before connecting a hand-held terminal to the console port, configure the terminal to match
the Cisco uBR904 cable modem console port as follows: 9600 baud, 8 data bits, no parity,
2 stop bits (9600 8N2). You need an RJ-45 console cable to connect the terminal to the
console port. After you establish normal Cisco uBR904 cable modem operation, you can
disconnect the terminal.
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Cisco uBR904 Cable Modem Installation and Configuration Guide
The console port is provided on the Cisco uBR904 cable modem to aid in
The console port is an asynchronous serial port; any devices connected to this port