Cables and Pin Assignments
C-4
7986-A2-GB20-00
September 1998
COM Port Interface Cable
The COM port connects to either a PC or to an ASCII terminal or printer for
alarms. The COM port-to-PC cable is a 14-foot, 26 AWG, 8-conductor cable with
an 8-position modular plug keyed connector and a DB9 socket connector
(Figure C-3). The COM port connector is an 8-position keyed modular jack
(Table C-3). The data signals on this port are referenced to a DTE interface.
Table C-3.
COM Port Interface Connector
Signal
Pin Number
Rx Data (out to DTE)
2
Ground
3
Tx Data (in from DTE)
4
DTR (in from DTE)
5
CD (out to DTE)
6
RTS (in from DTE)
7
Figure C-3.
COM Port-to-PC Cable (Feature Number 7900-F1-510)
98-15886
Содержание M/HDSL Standalone Termination Unit HOTWIRE...
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