16
DB15 interface for connection video matrix and monitor.
Connector for RS-232 devices.
Connects external SATA HDD, CD/DVD-RM or disk array.
Connector for LAN (Local Area Network).
10 USB Interface Connector for USB devices.
RS-485 termination switch. Up position is not terminated.
Down is 120Ω termination.
12 RS-485 Interface Connector for RS-485 devices. T+, T- pin connects to PTZ.
D+, D- pin connects to Ta, Tb pin of controller. For cascading devices, the
first DVR’s D+, D- pin should be connected with the D+, D- pin of the next
Connector for alarm input (up to 16 channels).
Connector for alarm output (4 channels).
Ground(needs to be connected when DVR startup)
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