Table A-2. Primary Eia-232 Connector Pinouts - ADTRAN DSU III AR User Manual

Appendix A. Pinouts
A-2

Table A-2. Primary EIA-232 Connector Pinouts

Pin EIA
1 AA
2 BA
3 BB
4 CA
5 CB
6 CC
7 AB
8 CF
9 -
10 -
15 DB
17 DD
18 -
20 CD
21 -
22 CE
24 DA
25 -
DSU III AR User Manual
Description
Protective Ground (PG)
Transmit Data (TD)
Receive Data (RD)
Request to Send (RS)
Clear to Send (CS)
Data Set Ready (SR)
Signal Ground (SG)
Received Line Signal Detector (CD)
+12 Test Point
-12 Test Point
Transmit Clock (TC)
Receive Clock (RC)
Local Loopback (LL)
Data Terminal Ready (TR)
Remote Loopback (RL)
Ring Indicator (RI)
External TX Clock (ETC)
Test Indicator (TI)
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