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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