6 SYSTEM COMPONENTS
6.1 CONTROL PANEL MAIN BOARD
1 – 12V backup battery connector,
2 – dedicated expansion connector (PRiMA16 only),
3 – RS-TTL PIN3 connector for PC programming,
4 – SERVICE jumper,
5 – IPX connector for GSM antenna (PRiMA6/16 only),
6 – SIM card slot (PRiMA6/16 only),
7 – LED heart-beat indicator,
8 – panel terminals (AC supply, outputs , bus, zones).