Datacom Systems D56 Modem User Manual


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9
5. INTERFACE SIGNALS
5.1 DTE Port Interface
Pin Signal In/Out
1 Frame Ground
2 Transmit Data IN
3 Receive Data OUT
4 Request to Send IN
5 Clear to Send OUT
6 Data Set Ready OUT
7 Signal Ground
8 Data Carrier Detect OUT
20 Data Terminal Ready IN
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