
Installation
2-6
ConnecT 56K DSU User Manual
If used, the secondary data terminal equipment should be connected to the
Auxiliary EIA 232 connector. The pin-out for the connector is listed in
Table 2-4, “Pin Assignments for Auxiliary RS-232 Connector”.
Table 2-4 Pin Assignments for Auxiliary RS-232 Connector
Pin EIA Description
1 AA Protective Ground (PG)
2 BA Transmit Data (SD)
3 BB Receive Data (RD)
4 CA Request-to-Send (RS)
5 CB Clear-to-Send (CS)
6 CC Data Set Ready (SR)
7 AB Signal Ground (SG)
8 CF Received Line Signal Detector (CD).
Always on.
Secondary
channel
connection
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