Rs485 pin definition, 4 rs485 pin definition – AVer EH1116H-4 Nano user manual User Manual
Page 20
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14
1.5.4 RS485 Pin Definition
When connect PTZ camera through RS485 interface, please refer to the following pin definition to connect the
DVR and PTZ.
Pin #
DVR site
PTZ site
TX+
RS485 TX+ signal
RS485 RX+ signal
TX-
RS485 TX- signal
RS485 RX- signal
RX+
RS485 RX+ signal
RS485 TX+ signal
RX-
RS485 RX- signal
RS485 TX- signal
i
If user uses the 2 wires for the PTZ camera connection, please connect to the RS-485 TX+ and TX- of
the DVR site.
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