My IPC is off line from time to time Richard Merryweather July 27, 2020 11:37 Follow Check if the network environment is good and the network cable hole plug of IPC end is loose. Check if there is IP conflict. Check if the device is under normal power supply. Check if the device upgraded to a wrong program. Related articles After I connected to the IP channel, there is no video output in the one*window or the multiple*window mode. But I can see there is bit stream. What if network upgrade failed? I can not connect to the IPC General Settings Password of the Day Comments 0 comments Please sign in to leave a comment.