HIKVISION DE1A Series Quick Start Manual page 59

and connect cables through the wall and the cable hole on the
bracket.

For the cables routed on the wall surface, you need to route
the cables through the middle slot on the bottom of the back
box, as shown in Figure 2-66.
3. Fix the bracket to the target position with four screws (PA4×25) in
the package (supplied), making sure the direction of the sign "UP"
is upward as shown in Figure 2-67.
Notes:

For cement wall, you need to use the expansion screw to fix the
bracket. The mounting hole of the expansion pipe on the wall
should align with the mounting hole on the bracket.

For wooden wall, you can just use the self-tapping screw to fix
the bracket.
Network PTZ Camera·Quick Start Guide
Figure 2-66
Wiring on the wall
46