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IDM-RACK3U Centralized Protocol Converter

IDM-RACK3U Centralized Protocol Converter

📅May 12, 2026
Model:IDM-RACK3U|Category:Bridge Converter

The Centralized Protocol Converter adopts a 19-inch 3U front plug-in card structure. Each slot corresponds to one remote RS232/422/485 data optical terminal or single E1 bridge (optical modem), E1 optical terminal, high-speed serial optical modem, optical Ethernet switch, serial-to-bidirectional HDMI converter, telephone optical terminal, or E1 (V.35) optical modem, enabling convenient construction of a star network. The IDM-RACK3U Centralized Protocol Converter fully utilizes the abundant existing E1/fiber resources in telecommunications networks to extend the transmission distance and application scope of Ethernet, providing an optimal solution for Ethernet access. This product can be used in various fields such as LAN interconnection, video-on-demand, and remote surveillance.

Bridge ConverterCentralized BridgeCentralized Protocol ConverterV.35 ConverterOptical ModemHigh-speed Serial Optical ModemE1 BridgeBridge Conversion Equipment

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Overview

The IDM-RACK3U Centralized Protocol Converter is a rack-mounted, small-capacity multi-user access network platform system designed for star network topologies serving large user access. It features high integration and strong compatibility, allowing flexible configuration of different quantities and types of service cards (bridge cards or optical modem cards), which not only reduces initial investment but also facilitates future expansion, upgrades, and maintenance.

The IDM-RACK3U Centralized Protocol Converter adopts a 19-inch 3U front plug-in card structure. Each slot corresponds to one remote RS232/422/485 data optical terminal or single E1 bridge (optical modem), E1 optical terminal, high-speed serial optical modem, optical Ethernet switch, serial-to-bidirectional HDMI converter, telephone optical terminal, or E1 (V.35) optical modem, enabling convenient construction of a star network. The IDM-RACK3U Centralized Protocol Converter fully utilizes the abundant existing E1/fiber resources in telecommunications networks to extend the transmission distance and application scope of Ethernet, providing an optimal solution for Ethernet access. This product can be used in various fields such as LAN interconnection, video-on-demand, and remote surveillance.

Product Features

Product Features

The central end adopts a 19-inch 3U plug-in card structure, corresponding to remote desktop-type RS232/422/485 data optical terminals, single E1 bridges (optical modems), single E1 optical terminals, high-speed serial optical modems, optical Ethernet switches, serial-to-bidirectional HDMI converters, telephone optical terminals, and E1 (V.35) optical modems;

The chassis provides 20 slots, including 2 power supply cards, 17 service cards, and 1 network management card or other service expansion card;

The central-end chassis can accommodate RS232/422/485 data optical terminals, single E1 bridges (optical modems), single E1 optical terminals, high-speed serial optical modems, optical Ethernet switches, serial-to-bidirectional HDMI converters, telephone optical terminals, and E1 (V.35) optical modems. When fully configured, it can support up to 17 remote ends;

Supports E1 local loopback and remote loopback;

Supports framed and unframed modes; framed mode supports PCM30/31 and CRC-4 adaptive;

Equipped with serial (RS485) network management and Ethernet network management for convenient configuration of device operating parameters and monitoring of operating status;

Dual power supply cards with 1+1 redundant backup;

Technical Specifications

Optical Interface

Interface Type
FC (customizable to SC, etc.)
Fiber Mode
Single-mode (multi-mode optional)
Fiber Rate
155bps±50ppm
Wavelength
1310nm
Transmit Power
-2 to -11dBm
Receiver Sensitivity
Better than-36dBm

Ethernet

Interface Type
RJ-45
Transmission Rate
10/100Base-T 10M/100M
Standard Protocol
Supports IEEE802.3
Operating Mode
Full/Half Duplex/Auto-Negotiation
WAN Transmission Rate
100% wire-speed 100M

FXO/FXS****Interface

Audio Range
300Hz~3400Hz
Impedance
Triple complex impedance200Ω+560Ω//0.1μF
Compression Ratio
A-law per ITU G.711
Loop Current
25mA/channel

Power Supply and Consumption

Power Supply
-DC48V orAC 220V (external)
Power Consumption
350W

Environmental Conditions

Operating Temperature
0C ~+50oC
Humidity
95% non-condensing

Product Dimensions

Width × Depth × Height
483×70×132 (mm)