Pyronix V2 GSM - Connecting Input Expander (PCX-RIX8)

V2 GSM Installation Manual
Pyronix Ltd Page: 40
7.7 CONNECTING AN INPUT EXPANDER (PCX-RIX8)
Only 1 input expander can be connected to the V2 GSM, this will need to be addressed as
‘0’ (all dipswitches must be to the left as shown below)