Socket RS-232 serial User Manual page 30

Cordless serial adapter with bluetooth wireless technology
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Pin Assignments
Pin # Direction Function
1
IN
2
IN
3
OUT
4
OUT
5
6
IN
7
OUT
8
IN
9
30 | APPENDIX A: SPECIFICATIONS
DCD — Carrier detect
RXD serial data from local host
TXD serial data to local host
DTR Data terminal ready
Ground
DSR Data set ready
RTS Request to send to local host
CTS Clear to send from local host
Optional power input (3.3 to 5.0 Vdc)

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