Ademco - 540 Isolating Relay Module

No 540 ISOLATING RELAY MODULE THE NO 540 RELAY MODULE THE BURGLARY MINI MODULARM SYSTEM NO 537 NO 441 or NO 546 PLUG IN UNITS No 540 been wired plus Module must be wired No 538 Display should XI X2 X3 X4 and X7 of No 535 display 535 Control Cabinet 1 00 0 II 111 08 d corresponding 538 of 538 Display Panel Xl WIRE THE NO 540 MODULE module and X4 of will No 540 Module wire X4 and X5 of No 535 Control other No 540 correspondingly have wires display na I 540 attached used X5 of of display of No 540 X5 of No 538 No 543 cable direct of made between