B series DVR User’s installation and operation Manual

UPnP means plug and play, if you enable UPnP, once the IP camera is connected into the LAN, it will communicate with the router in the LAN and do the port-forwarding with open port of router automatically. In figure 12, you only tick “Using UPnP to Map Port” to finish the setting, you can check if the UPnP is successful in maintain interface. ................
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