Kingfisher Plus+ Hardware Manual
6.4.2 Serial Option Board Connections
RJ45 Pin
Direction
RS-232
RS-422 / RS-485
1
OUT
DTR
N/A
2
OUT
4.3 V
N/A
3
OUT
RTS
TX+
4
IN
DCD
N/A
5
Common
GND
GND
6
IN
CTS
RX+
7
IN
RxD
RX-
8
OUT
TxD
TX-
RS-232 Wiring Diagram (Null Modem Cable)
Note:
maximum recommended RS-232 cable length is 15 meters.
Hardware Manual Version 7.16
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