Video Intercom Main Unit·Quick Start Guide
46
Figure 3-58 Remove the Plastic Sheets
5. Insert the gang boxes into the hole and pull out the cables through the cable entry.
Mark the screw holes’ position with a marker, and take out the gang boxes.
Figure 3-59 Mark the Screw Holes
6. Chisel 8 holes with drill align to marks on the wall, and insert the expansion sleeves
into the screw holes.
The suggested size of hole is 6 (diameter) × 45 (depth) mm.
7. Fix the gang boxes with 8 expansion bolts.
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