sks Basic Line 2012 - System Terminal Configurations; Camera and Voice Module Terminals; Bell Button and Illumination Terminals

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3. Terminals for combined camera / voice module
Terminal
Description
Notes
a+
Bus-terminal (positive)
b-
Bus-terminal (negative)
T,T
Door opener (relay contact)
Load resistance > 8 Ohm
M
Combined connection for control signals
LD
Connection of LED name plate illumination
Max. 2 name plates
Z
Control signal for door changer
For 6-wire version only
L
Control signal for video camera
For 2-wire version only
If there are more than 2 LED name plate illuminations, the power supply is accomplished via the
322 transformer with 12VAC.
4. Terminals for bell buttons
Terminal
Description
M-
Negative connection of LED name plate illumination
LED+
Positive connection of LED name plate illumination
A to D (depending on model)
First connection bell button
1 to 8 (depending on model)
Second connection bell button