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COMM ID:
Communication ID for RS232 communication. After the NVR
receives a RS232 command, it checks if the
<Dest ID> within the code is the same as the COMM ID, in which case the particular command can be
accept.
RS-232:
The RS-232 communication port can be either in an importing or exporting mode according to your
applications.
ON: Enables the RS-232 communication port. When you wish the unit to be controlled by an external
device, please select this entry for use.
OFF: Disables the RS-232 communication port.