
Appendix A. Pinouts
61200214L1-20 IQ Probe User Manual A-3
Table A-3. EIA-232 Connector Pinouts
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)
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