I searched the logs and found:
Unable to negotiate camera interfaces. Software upgrade needed.2016-03-07T10:05:19.400+00:00 VC-VIB-Geb--5-2---3-OG---BZ-3 00:AF:1F:F1:15:A0 eventlog[1275]: Received offer to upgrade SW from: "tc-7.3.3-rc1-0-gc84180a"2...
Still on 7.3.2, the Diagnostics show:
ERROR: SpeakerTrack VideoThe HDMI inputs are not valid. Please double-check that the cables are connected according to the installation guide. The inputs might need to beconfigured manually.
WARNING: Camera Dete...
I did an upgrade to version 7.3.2 of the video system and now the errors have changed, the cameras are paired in configuration -> peripherals, but still no cameras connected error seen on this page.
I do see the software version of the paired cameras...