HIKVISION DS-2CD2121G0-IWS/2AX Quick Start Manual page 35

Network Dome Camera·Quick Start Guide
Source Cable
6. Unscrew the bubble of the camera.
7. (Optional) Insert the memory card to the camera, if your camera
supports memory card installation. Refer to Section 2.1.
8. Fix the camera to the cap of the wall mounting bracket with
three supplied self-tapping screws.
Camera Cable
Figure 2-16 Cable Routing
34