Guard Alarm I Outlined
Relay plinth 210 ('B' in wiring diagrams)
Relay plinth 211 ('A' in wiring diagrams)
10-pin plinth on top of control module
Inhibitor Integral In Relay Plinth 210-50F (Relay/Module):
Guard Alarm I Outline Wiring Diagram
NOTE: Be careful to check the wiring diagram for the model you are actually working on as there may be some differences in designations of connectors etc.