Product Overview

This equipment combines FXS/FXO voice, RS232 serial data, and Ethernet traffic over  2 E1 links, providing a reliable solution for military, power grid, and public safety communications networks.

Detailed Parameters

Product Features

Utilizes advanced large-scale integrated circuits and integrated optical transceiver components, offering low power consumption and high reliability

Modular design with high integration, ensuring stable and reliable performance.

Supports various telephone interfaces: FXS, FXO, magneto (magnetic ring), and hotline.

Supports 2-wire/4-wire audio transmission.

Supports Ethernet signal transmission.

Supports RS232 data transmission.

Provides 2 E1 trunk interfaces, supporting 1+1 backup and ADM (Add-Drop Multiplexing) networking.

2 E1 ports support bonding mode for Ethernet transmission, with a maximum bandwidth of 3.84 Mbps.

Supports Caller ID (CID) display.

Dual power supply (AC 220V / DC -48V) for high reliability and user convenience.

Comprehensive status display for easy maintenance and management.

Technical Specifications

E1 Interface

                Line Coding: HDB3

                Line Rate: 2.048 Mbps ±50 ppm

                Impedance:75Ω (Unbalanced)

                                  120Ω (Balanced)

                Physical Connector:BNC (75Ω) / RJ45 (120Ω)

                Compliance Standards: ITU-T G.703, G.704

                Jitter Performance: Meets G.704 & G.823

                Interface Type: BNC / RJ45

FXS/FXO Interface

                Impedance:FXO: 200Ω + 680Ω || 0.1μF

                                   FXS: 200Ω + 560Ω || 0.1μF

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

                Physical Connector: RJ45

Magneto (Magnetic Ring) Interface

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

                Ring Signal: 75V (55–90V), 25Hz (20–30Hz)

RS232 Interface

                Data Rate: 300–19,200 bps

                Physical Connector: RJ45

Ethernet Interface

                Standards: IEEE 802.3 / 802.3u

                Speed & Duplex:10/100 Mbps auto-negotiation

                Full-duplex / Half-duplex auto-sensing

                Auto-MDI/MDIX: Supports both crossover and straight-through cables

                Transmission Rate: N×64 Kbps (N=1–60)

                Physical Connector: RJ45

Voice Encoding & Signaling

                16-slot signaling (ITU-T G.732 compliant)

                PCM Encoding: A-law, 64 Kbps per channel (ITU-T G.711 compliant)

Power Supply

                Dual Input Options:-48V DC (-36V to -72V)

                                                220V AC (165V–265V)

                Power Consumption: <30W

Mechanical Structure

                Rack-Mountable: 19-inch, 1U heigh