Citadel Defender SAB II wiring

[equitum]

Hi, I’m wiring up an alarm, I’ve had in a box for years but don’t have the wiring diagram for the bell box. The terminals are
Stb -
Trig -
Hold off -
Hold off +
Rtn -

The panel is a Texecom R8 with SAB terminals

A 12V
B switched -ve activate sounder
C -ve tamper return
D perm neg supply 0v
S switched -ve activate strobe

Please could you tell me which terminal to wire each end please

 

[scantronic]

A to hold off +
B to trig -
C to rtn-
D to hold off -
S to stb -

 

[equitum]

Thanks thought that was it

How do you link out the SAB tamper to test the system without the bell box ?

Edit I just connected tamp return and Ov did the trick