Paradyne 9161 Reference Manual page 233

Cables, Connectors, and Pin
Assignments
COM Port
9161-A2-GH30-20
The COM (communications) port connects to an async terminal or other
management interface.
These cables are:
14-foot, 26 AWG, 8-conductor, with a non-keyed 8-position modular jack
interface/connector at one end, and
25-pin or 9-pin connector at the other end, depending upon the management
interface used.
Refer to the appropriate cable section.
The following table shows the signals and pin assignments for the COM port
interface/connector.
Signal
DCE Transmit Clock ( TXC )
DCE Received Data ( RXD )
Signal Ground ( SG )
DCE Transmit Data ( TXD )
DCE Data Terminal Ready ( DTR )
DCE Carrier Detect ( CD )
DCE Request to Send ( RTS )
DCE Received Clock ( RXC )
September 1997
E
Direction
Out
Out
—
In
In
Out
In
Out
Pin #
1
2
3
4
5
6
7
8
E-1