The monitors on my old Bosch Eazeo system (rebadged old Philips Reo) - 8-input multiplex plus two slave monitors - are slowly dying and the cameras, although working fine, are nowadays some way off the pace for image quality. So I would like to upgrade the cameras and replace the old monitors with maybe 17in flat screens.
I'm reading that I can use my existing (well buried) Bosch system 4-wire dual twisted pair cabling and just use adapters to convert the old RJ11 connectors to BNC. But this wonderful cable carries everything including power, video, 2-way audio and telemetry commands to an "Action Box" component which opens and closes my entrance gates by pressing a button on any of my monitors (or my remote control).
Will I still have this POE functionality through BNC adapters as I really don't want to lay new power cable? And how will I be able to interface with my existing intercom and gate opener controls without the proprietary Bosch monitors? Could I introduce a DVR into the system to give me these controls?
In case it helps, have read elsewhere that my cable gives:
pin 2 = video + ------------------------video ground
pin 1 = video - ------/-----------------video +
pin 3 = power +15v /
pin 4 = ground ----/
Thanks for any help.