GE Security Interlogix AT7420-R3 4 Channel Digital Audio Transmitter, MM, 1 Fiber, LD, Rack Mount
SKU
AT7420-R3
Model No
AT7420-R3
$1,376.05
Product Highlights
- 20-Bit Digitally Encoded Transmission
- 20 Hz - 18kHz Bandwidth
- 600 Ohms Audio Input Impedance
- No In-field Electrical or Optical Adjustments Required
- LED Status Indicators for Monitoring Critical Operating Parameters

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The GE Security Interlogix AT7420-R3 4 Channel Digital Audio Transmitter is designed for seamless transmission of high-quality audio signals over fiber optics. Utilizing advanced 20-bit digital encoding, this audio multiplexer facilitates the simultaneous transfer of four audio signals with remarkable clarity. Its plug-and-play installation simplifies setup, while LED status indicators ensure reliable monitoring of critical performance parameters.
GE Security Interlogix AT7420-R3 Features
- 20-Bit Digitally Encoded Transmission: Provides superior audio quality for balanced line-level signals, enhancing clarity and detail.
- 20 Hz – 18kHz Bandwidth: Delivers wide frequency response, making it suitable for a broad range of audio applications.
- 600 Ohms Audio Input Impedance: Ensures compatibility with various audio equipment, improving versatility in setups.
- No In-field Electrical or Optical Adjustments Required: Provides a hassle-free setup experience, reducing installation time and complexity.
- LED Status Indicators: Allows for real-time monitoring of power, audio level input, and optical lock, increasing operational awareness.
- Transmits Balanced Line-Level Audio up to +6 dBm: Supports strong audio transmission over distances without loss of quality.
- Hot-Swappable Rack Modules: Facilitates easy upgrades and maintenance without interrupting service, enhancing reliability.
- Automatic Resettable Fuses: Protects all power lines from overload, increasing safety and longevity of the device.
GE Security Interlogix AT7420-R3 Detailed Specifications
| Feature | Detail |
|---|---|
| Model | AT7420-R3 |
| Channels | 4 |
| Transmission Medium | Multimode or Single Mode Optical Fiber |
| Audio Encoding | 20-Bit Digital Encoding |
| Frequency Response | 20 Hz – 18kHz |
| Audio Input Impedance | 600 Ohms |
| Power Supply | Integrated with Automatic Resettable Fuses |
| Installation Type | Rack Mount or Stand-Alone |
| Monitoring | LED Status Indicators |
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