2E1 Fiber Multiplexer for Industrial-Grade Multi-service Transmission

In the era of accelerating digital transformation, industrial intelligence, and urban informatization, the stability, compatibility, and scalability of communication systems have become crucial across industries. As a key device for integrating multiple service signals and overcoming fiber transmission bottlenecks, the 2E1 Multi-service Optical Multiplexer is emerging as an ideal solution for building high-performance fiber-optic communication networks. Capable of carrying E1, Ethernet, voice (FXO/FXS), and serial data over a single fiber, it is widely deployed in power systems, transportation, government networks, industrial automation, and public safety sectors.

High Integration & Multi-service Transmission

The 2E1 Multi-service Optical Multiplexer is a carrier-grade device that combines 2 E1 interfaces with optional Ethernet, voice (FXS/FXO), and RS232/485 serial interfaces into a single optical fiber for synchronized transmission. With point-to-point and chain-type networking capabilities, the system supports long-distance communication (up to 120km over single-mode fiber), simplifying wiring and improving overall network reliability.

This multiplexer adopts a modular architecture and supports 2 E1 interfaces as the base channel. It can be flexibly configured with 10/100M Ethernet, FXO/FXS voice, and RS232/RS485 serial ports. Unified optical transmission ensures long-distance, low-latency data delivery, simplifying network topology and improving system reliability and maintenance efficiency.

• In power grids, it transmits SCADA signals, remote control data, and video monitoring from substations to dispatch centers;

• In public security, it integrates video surveillance, dispatch audio, and police terminal signals into a centralized communication system;

• In industrial automation, it provides stable transmission of PLC signals, remote I/Os, and control commands for real-time management.

  
  

Key Features & Technical Parameters

🔹 E1 Interface

• Code type: HDB3

• Line rate: 2.048 Mbps ±50 ppm

• Impedance: 75Ω unbalanced

• Physical port: BNC

• Standard: ITU-T G.703, G.704, G.823 compliant

🔹 Optical Interface

• Optical line rate: 625 Mbps (mBnB coding)

• Sensitivity: Better than -27 dBm

• Connectors: SC / FC / LC optional

• Distance: 20km / 40km / 60km / 80km / 120km optional

🔹 FXS/FXO Voice Interface

• Impedance: FXO 200Ω+680Ω||0.1μF, FXS 200Ω+560Ω||0.1μF

• Frequency: 300–3400Hz (-0.6 to +3 dB)

• Port: RJ11

• Coding: G.711 PCM, 64Kbps/channel

🔹 Ethernet Interface

• 4x 100Mbps physically isolated ports

• Standards: IEEE 802.3 / 802.3u

• Adaptive: 10/100M, full/half duplex, cross/straight detection

• Port: RJ45

🔹 Power & Physical Specs

• Power: 220V AC (165–265V), DC48V, DC18–72V options

• Power consumption: <10W

• Size: 235mm × 190mm × 36mm

Five Major Advantages

Multi-service Integration – Supports E1, Ethernet, voice, and serial services in a single platform
High Reliability – Industrial-grade design resists EMI, high/low temperature, and vibrations
Long-distance Transmission – Up to 120 km fiber range for wide-area coverage
Flexible Deployment – Web GUI and CLI tools for easy setup and maintenance
Cost-effective – Replaces multiple single-function devices, reduces wiring and operational costs

Customization to Fit Project Needs

We provide flexible customization options including:

• E1 port options: 2E1 / 4E1 / 8E1 / 16E1

• Ethernet rate: 100M / 1000M

• Optical port: SC / FC / SFP

• Mounting: Desktop / 1U / 2U / DIN rail

• Power supply: AC220V, DC48V, wide-range DC18–72V

• Web interface: Multi-language support (English/Chinese)

Whether for power substations, city traffic systems, public safety communications, or factory automation, the 2E1 Multi-service Optical Multiplexer delivers unmatched performance and scalability.

Typical Applications & Value

• Power Industry – Improves reliability and responsiveness of remote monitoring and protection

• Rail & Metro – Ensures real-time performance for interlocking and video systems

• Public Safety – Secures centralized voice and video communications with encrypted links

• Smart City – Aggregates traffic, lighting, and surveillance data to central platforms

• Industrial Automation – Delivers accurate long-distance PLC signal transmission

  
  

Final Thoughts

The 2E1 Multi-service Optical Multiplexer is more than just a device — it's a communication enabler that helps industries reduce cost, boost transmission stability, and achieve centralized control across diverse applications. Whether you're deploying a new network or upgrading an existing infrastructure, this solution offers performance, flexibility, and long-term value.

Contact us today for professional technical support and tailor-made solutions that match your industry’s communication needs.