V2 GSM       Installation Manual 
Pyronix Ltd                   Page: 37 
CHAPTER 7: INSTALLATION SECTION 
7.1 THE V2 GSM PRINTED CIRCUIT BOARD 
 
 
Terminals  Description  Terminals  Description 
+12V 
+12v Auxiliary Supply 
0V 
0V Auxiliary Supply 
0V 
0V Auxiliary Supply 
+12M 
Microphone Connection 
IN1 
Input 1 
MIC- 
0V Microphone Supply 
IN2 
Input 2 
MIC+ 
+12V Microphone Supply 
IN3 
Input 3 
SPKA 
Speaker Connection 
IN4 
Input 4 
SPKB 
Speaker Connection 
IN5 
Input 5 
PGM1 
PGM 1 
IN6/S 
Input 6 / Abort Input 
PGM2 
PGM 2 
D1/K- 
0V Auxiliary Supply 
PGM3 
PGM 3 
D2/K+ 
+12V Auxiliary Supply 
PGM4 
PGM 4 
D3/A 
RS485 ‘A’ Data Bus 
TAM1 
Tamper Terminals 
D4/B 
RS485 ‘B’ Data Bus 
TAM2 
7.1.1 System Overview: 
Inputs:   Onboard 
6 inputs 
 
Remote (PCX-RIX8): 
Max devices: 
8 inputs 
1 x PCX-RIX8 (input module) 
  Maximum inputs: 
14 inputs 
 
   
Outputs  On board 
4 outputs 
 
Remote (PCX-ROX16R) 
Max devices: 
16 outputs 
3 x PCX-ROX16R (output module) 
  Maximum outputs: 
52 outputs 
 
   
Speakers  Onboard 
1 speaker  
 
Remote 
1 x speaker max 
 
   
Microphones  Onboard 
1 microphone 
 
Remote 
1 x microphone max