Riva RC1202HD - Page 14

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Only the relay type is supported.
Relay Rating: Max 24VDC 50mA
Do not exceed the maximum relay rating.
RS-485 Connection
The RS-485 serial port consists of TRX+(RX+) and TRX-(RX-) as following.
Caution
!
TRX+(RX+)
<RS-485 Application>
+
-
TRX-(RX-)
TX+
TX-
PTZ Device
RS-485 Device
DO
COM
Relay Type
Device
Internal