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Username, password and Verify password：Only used when work mode is “PPP”. Used for
login when remote PC dialup through PSTN.
Phone：Only used when work mode is “PPP” and PPP mode is “Active”. It is the phone
number of remote PC.
Callback and Data Encryption：Only used when work mode is “PPP”. They are not
available.
Confirm：Save parameters and return main menu.
Cancel：Abort modification and return main menu.
Example：PPP (Modem) passive dialup through PSTN
There are two Modems. One is connected DVR RS-232 port with DCE cable. The other is
connected with PC COM port.
Setup at DVR end
Step 1：RS232 setup Setup baud rate, data bit, stop bit, parity and flow control. They must be
the same as those of modem connected with PC.
Step 2：Video setup In “Recording” menu, select the camera you want to transfer through
PSTN. If you set CIF resolution, we suggest you set frame rate as 1 FPS. If you set QCIF
resolution, the frame rate can be selected under 4FPS. You can adjust bit rate, resolution and
frame rate according to real conditions.