D-Link DNS-722-4 Guide D'installation page 6

Drive Eject Lever
Cable Holder
Power Receptacle
Reset Button
Power Receptacle:
The supplied power adapter connects here.
Gigabit Ethernet Port:
The Gigabit Ethernet port connects the NVR to a network.
Drive Eject Lever:
Use these levers to eject the hard drives. The front panel must be removed
before ejecting the drives. Make sure to reset the ejector before installing
the new hard drive.
5
Rear Panel (Connections)
D-Link DNS-722-4/726-4 Quick Install Guide
Drive Eject Lever
Security Cable Slot
USB Connector
Gigabit Ethernet Port
Fan