Specifications

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APPENDIX A: Pinouts
Table A-3. Pin Assignments for Primary EIA-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)
9 — +12 Test Point
10 — -12 Test Point
15 DB Transmit Clock (TC)
17 DD Receive Clock (RC)
18 — Local Loopback (LL)
20 CD Data Terminal Ready (TR)
21 — Remote Loopback (RL)
22 CE Ring Indicator (RI)
24 DA External TX Clock (ETC)
25 — Test Indicator (TI)