Simplex 566-489-RC
Simplex 566-489-RC
Core Charge $450
Only 1 left!
Simplex 566-489 Expansion Signal Card (XSIG)
The 566-489 is an Expansion Signal (XSIG) card for Simplex 4100U and 4100ES fire alarm control panels, providing additional Notification Appliance Circuit (NAC) outputs for expanded audible and visual signaling capability. This PC board assembly integrates seamlessly into the panel's option card slots.
Key Features:
• Multiple NAC Support: Supports up to 6 Class B NACs or 3 Class A NACs per card for flexible notification configuration
• Audio & DC Signaling: Compatible with both audio signaling and DC power signaling modes for diverse notification devices
• Constant Supervision Audio: Supports constant supervision audio NAC modules for enhanced signal integrity
• System Compatibility: Works with Simplex 4100U, 4100ES, and other 4100-series fire alarm control panels
• Amplifier Integration: Works with amplifier audio NAC or power supply cards (SPS, RPS, XPS) for complete notification systems
This unit is professionally reconditioned and ready for integration into fire alarm notification systems.

