9. Pass the grounding line through the cable entries.
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The green-yellow line in the package is for grounding.
10. Connect wires and insert the modules.
a. Connect Cable 1 and one end of Cable 2 to the corresponding interfaces of the Main Unit, then
place the Main Unit into the upper grid of the left gang box.
b. Connect the other end of Cable 2 to the input interface of Sub Module 1. Connect one end of Cable 3
to the output interface of Sub Module 1 and insert it into the middle grid of the left gang box.
c. Finish the wiring and inserting according to the cable number and the position shown as below.
Video IntercomModule Door Station · User Manual
Figure 4-61 Place the Grounding Line
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