D-Link DCS-4633EV User Manual page 18

Section 2: Installation
Step 5
Connect the RJ-45 plug into the Ethernet connector, then screw the waterproof
connector to the Ethernet connector by turning it about a half-turn clockwise.
Step 6
Screw the back part of the waterproof connector clockwise until there is a tight
seal around the Ethernet cable.
If you are using PoE to power your camera, use the power connector cap to
seal the power connector.
D-Link DCS-4633EV User Manual 18