V2 GSM       Installation Manual 
Pyronix Ltd                   Page: 41 
7.8 CONNECTING AN OUTPUT EXPANDER (PCX-ROX16R) 
Up to 3 output expanders may be installed on the V2 GSM. Each output expander must 
be individually addressed using the dip switches:  
 
 
Address 
Switch 
1  2  4  8 
00  OFF  OFF  OFF  OFF 
01 ON OFF OFF OFF 
02  OFF  ON  OFF  OFF 
 
 
 
 
 
 
 
 
 
 
 
Output Map: 
Onboard Outputs: PGM1-4 onboard 
1
st
 Output Expander: PGM 1-16 expander 
2
nd
 Output Expander: PGM 17-32 expander 
3
rd
 Output Expander: PGM 33-48 expander