
Figure 4-42 Cave the Installation Hole
2. Select a cable entry and remove the plastic sheet.
3. Mark the gang box screw holes on the wall.
1) Route the cables through the gang box hole.
2) Insert the gang box into the installation hole.
3) Mark the gang box screw holes' position with a marker, and take out the gang
box.
Figure 4-43 Mark the Screw Holes
4. Drill 4 holes according 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.
5. Fix the gang box with 4 expansion bolts.
Video Intercom Two-Wire Bundle User Manual
37