Console Port Signals - Cisco Router 7204 Installation And Configuration Manual

Chapter 3 Installing the Cisco 7204
Figure 3-13 Console and Auxiliary Port Connections

Console Port Signals

Table 3-1
hardware flow control. Both Data Set Ready (DSR) and Data Carrier Detect (DCD) signals are active
when the system is running. The Request To Send (RTS) signal tracks the state of the Clear to Send
(CTS) input. The console port requires a straight-through EIA/TIA-232 cable.
Table 3-1
Pin
1
2
3
6
7
8
OL-5101-02
Modem
lists the signals used on the console port. The console port does not support modem control or
Console Port Signals
Signal Direction
GND –
TxD <—
RxD —>
DSR —>
GND –
DCD —>
Connecting I/O Controller Cables
Console
Auxiliary
port
port
FAST ETHERNET INPUT/OUTP UT CONTROLLE R
Console terminal
Description
Ground
Transmit Data
Receive Data
Data Set Ready (always on)
Ground
Data Carrier Detect (always on)
Cisco 7204 Installation and Configuration Guide
3-15