SENA Parani-SD1000 - Manual (Page 38)

38
Appendix A: Connections
A.1. Serial Port Pin Outs
Parani-SD is a DCE device compatible with the RS232 standard, a DB9 female interface.
Figure A-1 Pin layout of the DB-9 female connector
Table A-1. Pin assignment of the DB-9 female connector
Pin # Signal Direction Description
1 DCD Output Bluetooth Connect Detect
2 TxD Output Transmitted Data
3 RxD Input Received Data
4 DSR Input Data set ready
5 GND - Signal Ground
6 DTR Output Data terminal ready
7 CTS Input Clear to Send
8 RTS Output Ready to send
9 Vcc Input (5V ~ 12V)