CCTV Camera Pros Geovision 8.5 Multicam Digital Surveillance System - Manual (Page 342)

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Connection
Choose one of the following methods to connect the GV-System to a POS device.
RS-232 Connection
Figure 7-1
1. Using a cross-over RS-232 cable, connect the GV-System to the serial output of the POS device.
The POS device needs to be capable of generating transaction files, or TCP/IP or OPOS protocol
compatible.
2. Connect the USB dongle to the GV-System.
Network Connection
Figure 7-2
1. Connect the GV-System and POS device to the network. The POS device needs to be capable of
generating transaction files, or TCP/IP or OPOS protocol compatible.
2. Configure a static IP address or domain name on the POS device. If the POS device uses a
dynamic IP address, you should apply for a domain name from the DDNS service so that the
GV-System can always access the POS device by the domain name.
3. Connect the USB dongle to the GV-System.
Note: Two kinds of DDNS programs are provided in the Software DVD: Dynamic DNS Service and
Local DDNS Server. For details see Chapter 11 Useful Utilities.