I am trying to connect a new Honeywell AG6 bell box to an existing Optima Compact panel. The Optima manual says connect:
T= -ve tamper return (TR- on bellbox)
A= -ve supply (V- on bell box)
But the AG6 instructions say for Optima XL4 connect:
A= -ve tamper return (TR- on bellbox)
T= ...
