Cables, Connectors, and Pin Assignments
E-2 9161-A2-GH30-30April 1998
COM Port-to-PC Cable

This cable comes with the T1 access unit. The following shows the pin

assignments from the COM port to the DTE interface.

1
2
3
4
5
6
7
8
97-14909-01
COM Port
Non-Keyed
8-Position
Modular Plug
Tx Clock
Rx Data
Signal Ground
Tx Data
DTR
CD
RTS
Rx Clock
2
5
3
4
1
8
6
7
Rx Data
Signal Ground
Tx Data
DTR
CD
CTS
DSR
RTS
DTE
DB9 Socket
No
Connection
No
Connection
COM Port-to-Terminal/Printer Cable

Order this cable when connecting the COM port to a terminal or printer, rather

than to a PC; it does not come with the T1 access unit. The following shows the

pin assignments from the COM port to the DTE interface.

1
2
3
4
5
6
7
8
97-14910-01
COM Port
Non-Keyed
8-Position
Modular Plug
Tx Clock
Rx Data
Signal Ground
Tx Data
DTR
CD
RTS
Rx Clock
15
3
7
2
20
8
5
6
4
17
Rx Data
Signal Ground
Tx Data
DTR
CD
CTS
DSR
RTS
DTE
DB25 Plug