Genie EDVR-4 User Manual page 13

1) Camera Inputs: BNC input connectors
2) Spot out connector
3) Composite Monitor Output: BNC standard composite video output connector.
4) AUDIO Input /Output connectors: RCA
5) VGA out connector
6) RJ-45 Ethernet Port(Lan): For connecting to remote PC via Ethernet network.
7) RS-232C [D-SUB 9PIN] : Development purposes only.
8) ALARM IN/OUT: For connecting alarm inputs) and alarm out relays.
9) RS-422 : For connecting to PTZ camera.
10) DC power Adaptor Socket
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DIGITAL VIDEO RECORDER