POS NVR System Structure - Hikvision
1 POS NVR System Structure Fig.1 POS NVR System structure of the POS application 1.1 "POS +NVR" mode 1.1.1 Introduction Currently there are two ways to connect NVR with POS terminals, via network or via serial port. For example: The NVR initiates the connection to the POS server for the POS data communications between POS server camera.