
IDM OMP3500E Integrated Service Optical Fiber Transmission Equipment
2.5G optical interface, 19-inch 2U standard chassis, (up to 24 groups of E1 + 2 channels of physically isolated line-rate 1000M Ethernet + 4 channels of physically isolated line-rate 100M Ethernet + up to 6 PCM service plug-in cards with 8/10 channels each) provides standard SNMP network management interface. The IDM OMP3500E physically isolated Gigabit Ethernet optical terminal is easy to install and can meet the requirements of various application environments.
title: "IDM OMP3500E Integrated Service Optical Fiber Transmission Equipment"
model: "IDM OMP3500E"
category: "Telephone Optical Terminal"
keywords: "Gigabit Ethernet Telephone Optical Terminal, Gigabit Ethernet Optical Terminal, Integrated Service Optical Fiber Multiplexing Equipment, Gigabit Broadband Telephone Optical Terminal, Gigabit Ring Network Telephone Optical Terminal, Independent Gigabit Ethernet Telephone Optical Terminal, Independent Gigabit Ethernet PCM, Dual Gigabit Optical Fiber Multiplexing Equipment"
description: "2.5G optical interface, 19-inch 2U standard chassis, (up to 24 groups of E1 + 2 channels of physically isolated wire-speed 1000M Ethernet + 4 channels of physically isolated wire-speed 100M Ethernet + up to 6 PCM service plug-in cards of 8/10 channels) providing standard SNMP network management interface. The IDM OMP3500E physically isolated Gigabit Ethernet optical terminal is easy to install and can meet the requirements of various application environments."
cover: "/images/imports/img-487d3a71.jpg"
coverAlt: "IDM OMP3500E Integrated Service Optical Fiber Transmission Equipment"
featured: "true"
publishDate: "2026-05-12"
I. Overview
The IDM OMP3500E Integrated Service Optical Fiber Transmission Equipment is one of the PCM integrated service transmission equipment series designed by our company using large-scale integrated circuits. This equipment utilizes standard optical fiber transmission channels (G.703 standard), adopts the PCM30/31 format, and supports dual-fiber mutual backup, with up to 24 groups of E1 + 2 channels of physically isolated wire-speed 1000M Ethernet + 4 channels of physically isolated wire-speed 100M Ethernet + up to 6 PCM service plug-in cards of 8/10 channels. It provides a standard SNMP network management interface. Meanwhile, the equipment is easy to install and can meet the requirements of various application environments.

II. Product Features
Ø Standard 19-inch 2U chassis architecture for easy installation;
Ø Provides 2 2.5G SFP optical interfaces, supporting 1+1 optical port protection;
Ø Up to 24 groups of E1 + 2 channels of physically isolated wire-speed 1000M Ethernet + 4 channels of physically isolated wire-speed 100M Ethernet + up to 6 PCM service plug-in cards of 8/10 channels; Ø Provides 2 independent wire-speed 1000M Ethernet interfaces;
Ø Centralized equipment provides standard SNMP network management interface;
Ø Equipped with comprehensive function control switches and alarm indication functions.
III. Technical Specifications
Optical Interface
Interface Type | SFP | Fiber Mode | Single-mode (Multi-mode optional) |
Fiber Rate | 2.5G | Wavelength | 1310nm/1550nm |
Transmit Power | -1~-3dBm | Receiver Sensitivity | Better than -24dBm |
E1 Interface
Bit Rate | 2048Kbps | Line Code | HDB3 |
Standard Protocol | Supports ITU-T G.703 | Impedance | 75Ω |
Frame Structure | PCM30/31 | Mode | Transparent Transmission |
Ethernet
Interface Type | RJ45 | Transmission Rate | 10M/100M/1000M |
Standard Protocol | Supports IEEE802.3 | Operating Mode | Full/Half Duplex/Auto-negotiation |
FXO/FXS Interface
Audio Range | 300Hz~3400Hz | Impedance | Triple complex impedance 200Ω+560Ω//0.1μF |
Compression Rate | A-law in ITU G.711 | Loop Current | 25mA/channel |
Power Supply and Consumption
Power Supply Mode | DC-48V /AC 220V/Dual Power Supply | Total Power Consumption | ≤100W |
Environmental Conditions
Operating Temperature | 0ºC~40ºC | Humidity | ≤90% (non-condensing) |




