Product Overview

OTS-MS-4E1P is a powerful and versatile 4E1+4FE+16Ports Multi-Service Optical Terminal designed for integrated voice, data, and TDM transmission over a single optical fiber. It supports 4 E1 interfaces, 4 Fast Ethernet ports, and 16 user-defined service ports such as FXS/FXO, RS232/RS485, or dry contacts. This device provides a highly reliable and cost-effective solution for government networks, public safety systems, telecom operators, and industrial communications requiring multi-service delivery over fiber infrastructure.

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

Provide 2 optical ports, 1+1 hot standby

Optical line coding: mBnB

Optical receiving sensitivity: better than -28dBm

Working wavelength: single mode 1310/1550/1490nm, multimode 850/1310nm

Connector: LC

Transmission distance: 0~120km

◆Ethernet interface

Provide 4 100M Ethernet

4 Ethernet interfaces support VLAN isolation

Ethernet transmission rate: line speed 100Mb/S

Support IEEE 802.3/802.3u

Support 10/100M adaptive, full-duplex, half-duplex adaptive

Support cross-line straight-through adaptive

Physical interface: RJ45

◆E1 interface

Provide 4 E1

Interface code:   HDB3 code

Line rate:   2.048Mbp/s±50ppm

Interface impedance:   120Ω /balanced

Physical interface: RJ45

Standard:   ITU-T G.703

Jitter characteristics:   Meet G.823

◆FXS/FXO interface

Support 16 FXS/FXO interfaces

Impedance: 200Ω+680Ω||0.1μF (FXO)

200Ω+560Ω||0.1μF (FXS)

Frequency characteristics: 300～ 3400Hz (-0.6～+3dB)

A-rate PCM encoding, 64Kb/S per voice channel, in line with ITU-T G.711 standard

Physical interface: RJ45

◆Working conditions

-48V DC (-36～-72V) or 220V AC (165～265V) power supply

Power consumption of the whole machine: less than 15W

Working temperature: -10°C～+50°C

◆Mechanical structure

19-inch 1U