Same Funktion only with case.
BERGHOCH POE box
Spare part for older cameras or third-party cameras without a built-in POE power adapter.
With a new system
& old cameras
When combining a new system with old cameras, you only need to use the POE injector (output).
This is because old cameras have a connection for power and data. Therefore the signal of the new system has to be separated first.
With the old system
& old cameras
When combining an old system and old cameras, you have to use one as usual POE injector (input) and use a POE injector (output).