24 Channel Rack Mount Telephone Fiber Optic Multiplexer FXS / FXO For PBX
The 24-Channel Rack-Mount Telephone Fiber Optic Multiplexer is a professional-grade solution designed for high-density applications requiring reliable long-distance analog voice communication. Supporting twenty-four independent telephone channels, the system converts traditional telephone lines into optical signals for secure, high-fidelity, and long-distance transmission.
Built with advanced fiber optic technology, the multiplexer eliminates EMI, RFI, lightning surges, and signal degradation common to copper lines, ensuring crystal-clear voice transmission. Ideal for corporate PBX systems, campus intercom networks, industrial telecommunication facilities, control centers, transportation hubs, and security monitoring operations.
Its 19-inch rack-mount design allows seamless integration into communication cabinets and server rooms. Plug-and-play operation, industrial metal housing, and fanless design ensure continuous and reliable operation in demanding environments, making it suitable for mission-critical voice networks.
Product Overview
The 24-channel rack-mount telephone fiber optic multiplexer transmits twenty-four independent analog telephone lines over optical fiber, delivering high-quality, low-latency, and interference-free voice communication for PBX systems, intercom networks, industrial facilities, and telecom applications.
Product Features
- 24 Independent Telephone Channels – Supports 24 analog telephone lines simultaneously.
- Rack-Mount Design – Standard 19-inch 1U rack size for professional integration.
- Long-Distance Fiber Transmission – Single-mode fiber up to 20 km; multi-mode options available.
- Superior Voice Quality – High clarity, low distortion, and minimal latency.
- EMI/RFI Immunity – Complete optical isolation prevents electrical interference.
- Industrial Reliability – Rugged aluminum housing, fanless design, 24/7 operation.
- Plug-and-Play – Fast installation without configuration.
- Wide Compatibility – Works with FXS/FXO lines, PBX systems, analog phones, and intercom networks.
Technical Specifications
| Parameter | Specification |
| Product Type | 24-Channel Rack-Mount Telephone Fiber Optic Multiplexer |
| Telephone Channels | 24 Channels |
| Interface Type | RJ11, FXS / FXO Optional |
| Voice Signal Type | Analog Telephone |
| Voice Coding | PCM Digital Transmission |
| Frequency Response | 300Hz – 3400Hz |
| Signal-to-Noise Ratio | ≥65 dB |
| Harmonic Distortion | ≤1% |
| Crosstalk Isolation | ≥65 dB |
| Transmission Delay | ≤5 ms |
| Fiber Connector | SC Standard (FC/ST Optional) |
| Fiber Type | Single-Mode / Multi-Mode |
| Wavelength | 1310 nm / 1550 nm |
| Transmission Distance | Up to 20 km (single-mode), up to 2 km (multi-mode) |
| Optical Loss Budget | 10–28 dB |
| Power Supply | AC 110V-220V |
| Power Consumption | ≤20 W |
| Status Indicators | Power, Fiber Link, Telephone Channel Status |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 0–95% Non-Condensing |
| Housing Material | Aluminum Alloy, Rack-Mount 1U |
| Cooling Method | Fanless |
| MTBF | >100,000 Hours |
| Installation | 19-inch Rack Mount |
| Protection Level | Industrial Grade |
| Certifications | CE, FCC, RoHS |
Application
Package Contents
- 1 × 24-Channel Telephone Fiber Optic Multiplexer (Rack-Mount)
- 1 × Power Adapter (DC 5V / 2A)
- 1 × User Manual
- 1 × Quick Installation Guide
- 1 × Warranty Card
- 1 × Protective Packaging Box
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