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COMmander 6000/R/RX - Firmware V7.0D - Advanced Information V19 04/2018
Appendix Hardware
Connecting Devices to the 2TSM (R) Module
Connecting a Door Bell Button
Requirements:
•
Installation cable (e. g. J-Y(St)Y 2x2x0.6) with the following character-
istics:
–
At least five wires (for four door bell buttons)
–
Unscreened; however: screened for unfavourable conditions, for
example, near a strong transmitter or an electrical power line
1. Lay the line.
2. Connect the
But1/Klin1
terminal to the contact of the first door bell
button (e. g. labelled
1
).
Warning:
Power surges, which can occur during electrical
storms, can cause life-threatening electric shocks or damage
or destroy the PBX.
•
Do not open an already connected PBX during an electrical
storm. Also avoid disconnecting and connecting electrical
lines during an electrical storm.
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