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Network Video Recorder User Manual
The NUCLEUS protocol must be used in the RS-232 connection communication.
Step 5 Select the connection mode to TCP, UDP, Multicast, RS-232, USB->RS-232 or Sniff,
and click
Set to configure the parameters for each connection mode.

TCP Connection
1) When using TCP connection, the port must be set from 1 to 65535, and the port for each POS
machine must be unique.
2) Set the Allowed Remote IP Address of the device sending the POS message.
Figure 9-5 TCP Connection Settings

UDP Connection
3) When using UDP connection, the port must be set from 1 to 65535, and the port for each POS
machine must be unique.
4) Set the Allowed Remote IP Address of the device sending the POS message.
Figure 9-6 UDP Connection Settings

USB->RS-232 Connection
Configure the port parameters of USB-to-RS-232 convertor, including the serial
number of port, baud rate, data bit, stop bit, parity and flow ctrl.
Figure 9-7 USB-to-RS-232 Settings