HIKVISION DE1A Series Quick Start Manual page 37

For the cables routed from the top of the back box, it is required to
drill a cable hole in the ceiling.
Figure 2-34
Figure 2-35
Note:
Water-proof treatment is required for cable connectors. Refer to
section 2.9 and 2.10 for details.
Ceiling Mounting without Junction Box
Steps:
1. Rotate the base plate counterclockwise to separate it from the PTZ
camera, as shown in Figure 2-26 and Figure 2-27.
2. Attach the drill template (supplied) to the place where you want
to fix the PTZ camera, and make sure the front arrow appoints to
the monitoring area.
Network PTZ Camera·Quick Start Guide
Cabling for DE2xxx Series PTZ Camera
Cabling for DE2xxxI Series (IR) PTZ Camera
24