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2 minutes ago, Specialist said:

Have to ask: Why would you want to connect an alarm that old back up ?

Well because it looks pretty cool in my eyes and ive always wanted an early electronic display sort of panel in my collection of ye olde burglar alarms.

Edited by Jack b

I would test with a meter first but I assume:-

 

12v+ = +ve

12v- = trig

HO = -ve

ST = tamp return

B = beacon? strobe

 

Failing that the 999 D'COM terminals are likely negative sinking panic and intruder.

8 minutes ago, sixwheeledbeast said:

I would test with a meter first but I assume:-

 

12v+ = +ve

12v- = trig

HO = -ve

ST = tamp return

B = beacon? strobe

 

Failing that the 999 D'COM terminals are likely negative sinking panic and intruder.

The problem is the HO is not negative its positive 

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