NUUO SCB-A08 - Manual (Page 9)

Trusted Video Management
NUUO Surveillance System - Accessory
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2.2. Pin Definition
Name Description
RS232/422/485 RS232/422/485 interface support
RX- Receive -
RX+ Receive +
TX- Transmit -
TX+ Transmit +
GND Ground
10/100M 10/100 Mbps Ethernet
SW Dip Switch
Reset Hardware reset button
7~30VDC 7~30 VDC support
Power
DI1 Digital input Channel 1
DI2 Digital input Channel 2
DI3 Digital input Channel 3
DI4 Digital input Channel 4
DI5 Digital input Channel 5
DI6 Digital input Channel 6
DI7 Digital input Channel 7
DI8 Digital input Channel 8
GND Ground
Power
DO1 Digital output channel 1
CO1 Common, usually is ground
DO2 Digital output channel 2
CO2 Common, usually is ground
DO3 Digital output channel 3
CO3 Common, usually is ground
DO4 Digital output channel 4
CO4 Common, usually is ground
GND Ground
Power
DO5 Digital output channel 5
CO5 Common, usually is ground
DO6 Digital output channel 6
CO6 Common, usually is ground
DO7 Digital output channel 7
CO7 Common, usually is ground
DO8 Digital output channel 8
CO8 Common, usually is ground