The technical starting position
During work, cables are sometimes rerouted, pinched or reconnected. A camera may then temporarily display images while a connection or seal has become damaged.
advice
Testing camera cabling after a renovation
A renovation can touch an existing cable route without the camera immediately being visible to fall out; a directed end test prevents hidden malfunctions.
What you calculate or measure
Compare each camera with the old channel and port list and view routes that have been opened or modified. Also check external inputs, wall penetrations, and power supply in technical rooms.
The intervention that fits
Weak points found before finishing is closed and work route and photo documentation is attached. Do not add unknown couplings that will not be reachable later after finishing.
Proof that it works
Test live view, recording and demanding functions such as night vision after the work is done. Allow a second check to take place before the final access points disappear.
Frequently asked questions
Why test when the camera already shows a picture?
Pictures alone do not prove that recording, power supply and the new physical route are sustainable.
Does every cable need to be measured after renovation?
Evaluate at least all the modified and critical routes directed.