6 © 2017 SafeLine and all the SafeLine products and accessories are copyrighted by law.4455310006E4455310006E2 3a3b 3c 412681 510791311SL6+ v2.04 ENInstallationOVERVIEW SL6+ MAIN UNIT1. Connector RJ12 for optional telephonehandsetFor confi guration and intercom communication.Can also be used for external calls.Any standard analogue tone dial telephone canbe used.2. Reset button• Reset all alarms.• Terminates a phone call in progress.• Triggers self test.• Activates display of GSM signal strength.• Triggers battery test.3. LED indicatorsa. Mains powerb. Active alarm/battery statusc. PSTN/GSM Net, call status4. USB Mini B PC connectionFor fi rmware update and confi guration.5. RS232 PC connectionFor configuration.6. Screw terminal for optional telephonehandsetFor confi guration and intercom communication.Can also be used for external calls.Any standard analogue tone dial telephone canbe used.7. Slot for optional card (not yet implementet)8. Connector for external system speaker9. GND10. Terminals11. 12 V Battery, 1,2 Ah12. Slot for GSM interface board13. Batteryslot for RTC, Real Time Clock(not yet implementet)