Elvox 7509 Manual De Instalador página 11

EN
Fig. 5
Bus termination for video signal stabilisation
The BUS termination dip-switches for video signal stabilization are located
inside the interphone.
Depending on the connection configuration (interphones/monitors connected
in series or derived from a distributor), set the dip-switches in the appropriate
position (position A, B or C) according to the instructions given in the note
"Bus termination" in the wiring diagrams section below.
Fig. 8A
Fig. 6
C
50Ω
B
Dip-switch for
100Ω
Bus termination
C
A
50Ω
OPEN
B
100Ω
C
A
50Ω
OPEN
Fig. 8B
B
100Ω
Fig. 7
ON
1 2
ON
1 2
ON
ON
1 2
1 2
ON
1 2
ON
ON
1 2
1 2
ON
1 2
11
ON