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5.16 RS232 setup
There is one RS-232 port at DVR rear panel. In main menu, move “Active Frame” to
“RS232” icon and perss【ENTER】key, you enter into “RS232” setup menu:
RS232 menu description
RS-232 parameters:Including baud rate, data bit, stop bit, parity, flow control, etc.
Work mode:The RS-232 can be used as “Console”, “PPP” or “Transparent Channel”.
Console:Connect with PC serial port. You can use HyperTerminal or NetTerm to control it.
PPP:Connect Modem, using PSTN to transfer video image.
Transparent channel:Connect serial devices. Remote PC can control these serial devices
through network.
PPP Mode:Only used when work mode is “PPP”. There are two options:“Active”
and”Passive”. “Active” means DVR will diaup through PSTN. “Active” function is not
available. “Passive” means DVR will wait for dialup.
Callback mode:Only used when work mode is “PPP”. There are two options:“By Dialer”
and “Preset Tel’. This function is not available.
Remote IP:Only used when work mode is “PPP”. This IP is defined for remote PC that will
connect DVR through PSTN.
Local IP:Only used when work mode is “PPP”. This IP is defined for DVR.
Mask:Only used when work mode is “PPP”. Remote IP and Local IP are in the same sub net.