3 selectable modes: 1) The Uninterrupted, 2) BGM/PG mode and 3) OFF/PG mode
1) Uninterrupted mode: BGM or PG (paging) or OFF (silent)
2) Two-state mode: BGM (background music) or PG (paging)
3) OFF&PG mode: OFF (silent) or PG (paging)
Supports 3-wire or 4-wire emergency override systems
Independent 3-wire or 4-wire volume control override for each channel
Expandable up to 180 zones uninterrupted or cascade up to 30 units
All Call top priority emergency override trigger terminal ready
Emergency override triggering through digital port or hardwire port
Selectable positive edge trigger or negative edge trigger on analog port
Twin RJ-45 digital communication ports for easy linking
Microchip controller makes complicated system simple
Software ID address setting to eliminate complicate dip switches setup
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