Appendix a: connections, A.1. serial port pin outs – SENA Parani-SD100-200 User Manual
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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
DTE Ready
5
GND
-
Signal Ground
6
DTR
Output
DCE Ready
7
CTS
Input
Clear to Send
8
RTS
Output
Request to Send
9
Vcc
Input
(5V~12V)
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