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LB308A
Appendix A: DB9 DCE Pin Assignment
Appendix A. DB9 DCE Pin Assignment
Table A-1. DB9 DCE connector pin assignments.
Pin Number Name RS-232 Signal Name
1 DCD Data Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
4 — Not connected
5 GND Signal ground
6 — Not connected
7 CTS Clear to Send
8 — Not connected