Product Overview

The 2E1+2FE+8Ports Multi-Service Optical Terminal is an integrated fiber transmission device that supports 2 E1 channels, 2 Fast Ethernet (FE) ports, and 8 additional service ports (such as RS232/RS485/FXO/FXS, depending on configuration). Designed for versatile communication requirements, it offers seamless transmission of voice, data, and other services over a single optical fiber. This all-in-one solution is ideal for building secure and efficient communication networks in sectors such as public security, power grids, government, and industrial automation.

Product Interface Details

Product Features

Multiple Model Options: 

                Offers a variety of models to meet diverse networking needs.

Multi-Service Interfaces: 

                Supports a wide range of service interfaces, such as Ethernet, E1, electrical ports, telephone, RS232, and analog video.

Multiplexed Transmission: 

                Ethernet, telephone voice, and serial ports are transmitted via a single optical fiber link with full transparent line transmission.

Rich Port Configuration: 

                Flexible definition of multi-service transmission support.

Versatile Telephone Interfaces: 

                Supports FXS, FXO, magneto, and hot-plug telephone interfaces.

Digital Design:     

                Fully digital architecture with no mechanical adjustments ensures stable and reliable operation.

Wide Voltage Range: 

                Power supply input supports -36V to -72VDC or AC 220V (165V–265V).

Technical Specifications

• Optical Interface:

  - Wavelength: Single-mode 1310nm/1550nm/1490nm, Multi-mode 850nm/1310nm

  - Optical Module Rate: Mb/s

  - Connector Type: SC/FC/LC, optional single-fiber or dual-fiber

  - Transmission Distance: 0–120 km

• E1 Interface:

  - Standard: HDB3 encoding

  - Interface Rate: 2.048 Mbps ±50 ppm

  - Compliance: ITU-T G.703, Frame Structure: G.704R/G.823

  - Impedance: Selectable 75Ω / 120Ω

• Ethernet Interface:

  - Standards: IEEE 802.3/802.3u/802.3ab

  - Speed: 10/100M, 1G adaptive

  - Physical Interface: RJ45

• FXS/FXO Voice Port:

  - Return Loss: ≥20dB (0.1μF FXO), ≥26dB (FXS)

• Operating Conditions:

  - Power Supply Voltage: 165V–265V (AC), -36V–-72V (DC)

  - Operating Temperature: -15°C to +45°C