We have a C40 CODEC with the 7.1.4 software. The system has two cameras but one of the cameras is rarely used. This cam is connected on a remote wall plate.  The system has been poping up a message "lost connection to camera". I thought if we plugged...

I am trying to get a second camera in to a C40 codec. My primary cam is a Precision HD 1080p and the second cam is a Precision 60. It looks like there is supposed to be a special RJ11 to RJ45 cable but I can not find a part number or other way of acq...