I would disconnect the +ve core to the sounder at the panel before doing any work on the sounder itself.
If you program the system to not monitor bell tamper-or short -ve to TR, you can leave the system powered up.
1 Varies, but yes.
2 Setting time is usually around 30 seconds, depends how the system is programmed, you can have set on final door, also instant set in part.
3 With most/all systems you can have silent part set etc, for the reasons you suggest, people already asleep etc, that is a programming...
Running of any cables over a roof is just bad practice.
I had an experience a while back where the outer sheath of coax cable had rubbed through on a roof, water got in and eventually tracked its way to the lowest point.....my video recorder-that's how long ago it was!, but the water managed to...
Unfortunately Texecom appear to be having multiple issues with their app at the moment, primarily caused by an app update that appears to be not fit for purpose, numerous users/engineers are experiencing issues at multiple levels, at this time the manufacturers, Texecom, appear to be in the non...
There should be a second part to the waterproof boot, with an 'O' ring, to form a watertight seal on the RJ45 connector.
The UK uses the 568B configuration, but as long as you use the same either end it doesn't really matter.
There are 8 cores in a cat5 cable, the primary colour conventionally goes first, so green/white signifies green primary, white secondary, basically the one with most green is green, the one with white, and a side of green, is white green.
There is a big difference between a soundbomb/sounder and a speaker.
Soundbombs and the such use 12vdc, derived from the sounder circuit, speakers are millivolts and are connected to speaker terminals.
Put a sounder into a speaker connection and not much will happen, put a speaker into a sounder...