HIKVISION DS-7100HGHI-E1 User Manual page 170

 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.
When using USB->RS-232 convertor mode, the port of USB-to-RS-232 convertor and the POS must
be corresponding to each other, e.g., POS1 must be connected to port1 of the convertor.
 RS-232 Connection
Connect the DVR and the POS machine via RS-232. The RS-232 settings can be configured
in Menu>Configuration>RS-232. The Usage must be set to Transparent Channel.
 Multicast Connection
When connecting the DVR and the POS machine via Multicast protocol, set the multicast
address and port.
Digital Video Recorder User Manual
Figure 9-7 UDP Connection Settings
Figure 9-8 USB-to-RS-232 Settings
Figure 9-9 RS-232 Settings
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