Table A-4. Auxiliary Eia-232 Connector Pinouts - ADTRAN DSU III AR User Manual

Appendix A. Pinouts
A-4

Table A-4. Auxiliary EIA-232 Connector Pinouts

Pin CCITT
1 AA Protective Ground (PG)
2 BA Transmit Data (TD)
3 BB Receive Data (RD)
4 CA Request to Send (RS)
5 CB Clear to Send (CS)
6 CC Data Set Ready (SR) On all the time.
7 AB Signal Ground (SG)
8 CF Received Line Signal Detector (CD) On all
the time.
DSU III AR User Manual
Description
61202011L1-1