The 48-Channel Rack-Mount Telephone Fiber Optic Multiplexer is a professional-grade voice transmission solution designed to transport up to 48 analog telephone lines through a single optical fiber. It enables long-distance, interference-free voice communication while significantly reducing cable deployment costs and infrastructure complexity.

Utilizing advanced fiber optic transmission technology, the system converts analog voice signals into optical signals for transmission over single-mode fiber, ensuring crystal-clear voice quality and stable communication performance over distances up to 15 km or more depending on the optical module configuration.

The 1U rack-mounted design is ideal for telecom rooms, PBX systems, enterprise campuses, government agencies, transportation hubs, industrial plants, hotels, hospitals,  and utility communication networks. Built with industrial-grade components, the equipment provides excellent EMI/RFI immunity, surge protection, and continuous 24/7 operation.

The plug-and-play architecture requires no software configuration, making installation and maintenance simple while providing reliable voice extension across large geographic areas.

Application Scenarios

• Enterprise PBX Systems
• Government Communication Networks
• Campus Telephone Networks
• Industrial Communication Systems
• Hotel Telephone Systems
• Hospital Communication Networks
• Railway Communication Systems
• Power Utility Dispatch Networks
• Remote Branch Office Connectivity

Product Features

High-Capacity Voice Transmission

• Supports 48 independent analog telephone channels
• Simultaneous voice transmission over a single optical fiber

Long-Distance Communication

• Supports up to 20 km transmission on standard single-mode fiber
• Optional extended-distance optical modules available

Superior Voice Quality

• High-fidelity voice encoding
• Low latency and low distortion
• Transparent transmission without voice compression

Rack-Mount Design

• Standard 19-inch 1U rack installation
• Suitable for telecom cabinets and equipment rooms

Strong Anti-Interference Performance

• Complete optical isolation
• Immune to lightning, EMI, RFI, and ground-loop interference

Easy Deployment

• Plug-and-play operation
• No software or configuration required
• Simple RJ11 telephone connections

High Reliability

• Industrial-grade components
• Continuous 24/7 operation
• Stable performance in demanding environments

LED Status Indicators

• Power monitoring
• Fiber link indication
• Channel operation status display

Technical Specifications

Application

Package Contents

• 1 × 48-Channel Telephone Fiber Optic Transmitter (TX)
• 1 × 48-Channel Telephone Fiber Optic Receiver (RX)
• 1 × User Manual
• 1 × Quick Installation Guide
• 1 × Warranty Card
• 1 × Protective Packaging Box