9 pin com port

PIN 1. RS232-TX : RS-232

DVR can be controlled remotely by an external device or control system, such as a control keyboard, using RS-232 serial communications signals.

PIN 2. RS232-RX : RS-232

DVR can be controlled remotely by an external device or control system, such as a control keyboard, using RS-232 serial communications signals.

PIN 3. VIDEO LOSS

When video loss happen, it will send a signal to trigger another accessory.

This pin output becomes “Low” when video loss, and normal operation remains “High”

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CBC CBC V 0.1 manual PIN 1. RS232-TX RS-232, PIN 2. RS232-RX RS-232, PIN 3. Video Loss