Interlogix TruVision 960H Premium Resolution Series PTZ Cameras Installation Manual - Manual (Page 8)

EN 8 TruVision Analog PTZ Camera
8. Re-attach the bubble by screwing it to the housing.
9. Install the trim ring. Align the trim ring to the housing, and insert the
fix-pins to the holes. Then rotate the ring clockwise.
Surface-mount cameras
The PTZ camera cables can be routed either from the top or side of
the housing (see figures below). For the cables routed from the top of
the housing, you need to drill a cable hole in the ceiling.