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4. TV8720 connection diagram (continued)
Receiver module, front side
Connections as on receiver module –
Front
Video 1 – composite (FBAS) video output 1
Video 2 – composite (FBAS) video output 2
Audio – audio output
Power – 12VDC input for transformer
GND – housing grounding
The maximum distance between a sender and receiver module (depending on selected setting) must not exceed 1,500m. Make sure that you do
not lay the connection line near electrical power lines – in rare cases their proximity may lead to interference (poor picture quality).
Receiver module, rear side
Connections as on receiver module –
Rear:
12345 – range adjustment
Brightness – fine adjustment
Video IN – clamp for twisted-pair transmission
Audio IN – clamp for twisted-pair transmission
–
D1+/D1-
output for alarm contact (NO)
–
D2+/D2-
input for data line (RS485)
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