Product Features Product Description
MS-2/MS-4 PN 51512:B 08/28/02 11
• LED Indicators
✓ Fire Alarm (one per zone)
✓ Supervisory (one per zone)
✓ Trouble (one per zone)
✓ Maintenance (one per zone)
✓ AC Power
✓ NAC Disable
✓ Zone Disable
✓ NAC Fault
✓ System Trouble
✓ Power Trouble
✓ Walktest
✓ Alarm Silence
✓ Earth Fault (on circuit board)
✓ Battery Fault (on circuit board)
✓ Charger Fault (on circuit board)
• Piezo sounder for alarm, trouble and supervisory
• 24 volt operation
• Low AC voltage sense
• Alarm Verification
• NACs Programmable for:
✓ Silence Inhibit
✓ Auto-Silence
✓ Strobe Synchronization
✓ Selective Silence (horn-strobe mute)
✓ Temporal or Steady Signal
✓ Silenceable or Nonsilenceable
• Automatic battery trickle charger
• Silent or audible walktest capabilities
• Optional NAC Class A converter module (MS-4 only)
• Optional 4XTMF Transmitter Module (MS-4 only)
• Optional 4XZMF Zone Relay Module (MS-4 only)
• Optional 4XLMF Module for RZA-4XF Remote LED Annunciator (MS-4 only)