Connecting Power - Cisco uBR904 Installing

Console Port Signals
The Data Set Ready (DSR) signal is active when the system is running. The console port
does not support modem control or hardware flow control. Table 3-1 lists the signals used
on the console port. The console port requires an RJ-45 cable.
Table 3-1
Pin
1
2
3
4
5
6
7
8
This completes the information necessary for connecting the console cables.

Connecting Power

Use the following procedures (see also Appendix Figure 3-5) to connect AC-input power
to the Cisco uBR904 cable modem.
Step 1
Step 2
Step 3
Step 4
This completes the procedure for connecting AC-input power.
Console Port Signals
Signal Direction
– –
DTR —>
TxD —>
GND –
GND –
RxD <—
DSR <—
– –
At the rear of the Cisco uBR904 cable modem, locate the power receptacle.
Insert the cable from the power supply into the power receptacle.
Plug one end of the power cord into the power supply.
Plug the other end of the power supply into an AC power source.
Description
–
Data Terminal Ready
Transmit
–
–
Receive
Data Set Ready (always on)
–
Installing the Cisco uBR904 Cable Modem 3-7
Connecting Power