Rs485 pin definition, 4 rs485 pin definition – AVer SEB3104H User Manual
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7
1.4.4 RS485 Pin Definition
When connect PTZ camera through RS485 interface, please refer to the following pin definition to
connect the DVR and PTZ.
Number
Pin
DVR site
PTZ site
21
TX+
RS485 TX+ signal
RS485 RX+ signal
22
TX-
RS485 TX- signal
RS485 RX- signal
23
RX+
RS485 RX+ signal
RS485 TX+ signal
24
RX-
RS485 RX- signal
RS485 TX- signal
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