TheAlarmTech.com

I'm not familiar with the 8500 (never heard of it actually) but you can tie a relay from the est to a zone on the 8500 to send an alarm signal. If you need an alarm signal from the 8500, a PAM relay on a NAC circuit is a quick and dirty way. Trouble signals between the two systems, who cares as long...

Unfortunately, it is allowed, but only if the equipment is UL listed for commercial fire use. Not all models are listed for this purpose, and many that are require special add on modules and power supplies to meet this requirement. Easy way to tell, if it has a plug in transformer, not listed. Examp...

Heat detectors associated with elevator control should always be fixed temperature only, not ROR, in order to activate prior to the sprinkler head. That being said, what temperature rating sprinklers are installed? This will indicate design ambient temperature of the machine room. Make sure the heat...

Bad device(s)

Alternatively, i believe you can modify a device s/n via the keypad

Normally it stays on all the time. You should not have to do anything. Just put the new device in

If mapping is enabled, just replace it and panel will reassign serial number automatically.

I might have the software, but without a dongle ur screwed

Enter below at password screen, will default the passcodes back

*#123

Check your firmware versions. Had these panels do wierd things if u loaded wrong version