THORN AUTOMATED SYSTEMS OXA-502SDA AUDIO SIGNAL DRIVER MODULE 976217

Description:

The Thorn Automated Systems OXA-502SDA Audio Signal Driver Module (P/N 976217) is used in addressable fire alarm control systems to supervise and drive audio notification circuits for emergency voice evacuation and fire alarm signaling. Commonly installed in Autocall TFX-500 and TFX-800 fire alarm systems controlling speaker circuits, audio risers, and emergency voice evacuation equipment in commercial buildings, hospitals, schools, industrial facilities, and institutional life safety systems. Fire alarm technicians and system integrators use this signal driver module for system expansion, preventive maintenance, replacement of failed audio driver modules, and restoration of supervised audio notification circuits.

Applications:

The Thorn Automated Systems OXA-502SDA audio signal driver module provides supervised audio output for emergency voice evacuation and alarm notification systems while communicating with compatible Autocall fire alarm control panels. It is widely used in commercial and industrial fire detection systems requiring monitored audio speaker circuits, voice evacuation messaging, and supervised notification appliance circuits in accordance with life safety system requirements.

Technical Specifications:

• Brand: Thorn Automated Systems / Autocall
• Model: OXA-502SDA
• Part Number: 976217
• Product Type: Audio Signal Driver Module
• Function: Supervised Audio Signal Driver
• System Type: Addressable Fire Alarm System
• Compatible Systems: Autocall TFX-500 and TFX-800 Fire Alarm Control Panels
• Installation Type: Plug-In Module
• Application: Emergency Voice Evacuation and Audio Notification
• Addressable Communication: Compatible with TFX Addressable Loop
• End-of-Line Resistor: 27 kΩ (P/N 976250)
• Audio Riser EOL Resistor: 5.1 kΩ, 2 W (P/N 4281-050)
• Mounting: OXM-501 RM/SDA Motherboard
• Suitable for Supervised Audio and Speaker Circuits
• OEM Fire Alarm System Component
• Designed for Continuous Life Safety Operation

Common Replacements:

• Thorn Automated Systems OXA-501SDA 976186
• Thorn Automated Systems OXA-503SDA 976218
• Thorn Grinnell OXA-504SDA 976216