IDM OMP3500F Integrated Service Optical Transmission Equipment

📅May 12, 2026

Model：IDM OMP3500F|Category：Telephone Optical Terminal

2.5G optical interface, 19-inch 3U standard chassis, (up to 24 E1 groups + 2 physically isolated wire-speed 1000M Ethernet ports + 4 physically isolated wire-speed 100M Ethernet ports + up to 12 PCM service cards with 8/10 channels each); provides standard SNMP network management interface. The IDM OMP3500F physically isolated Gigabit Ethernet optical terminal features easy installation and adaptability to various application environments.

1. Overview

The IDM OMP3500F integrated service access equipment is a comprehensive multiplexing platform that transmits up to 16 transparent E1 channels, 2 physically isolated wire-speed Gigabit Ethernet ports, 4 physically isolated wire-speed 100M Ethernet ports, and 120 narrowband PCM channels over 2.5G optical fiber. It provides 2 mutually redundant 2.5G optical fiber interfaces.

The narrowband PCM services offer various user interfaces for voice, data, and video. It also features non-blocking timeslot cross-connect between 4 E1 groups and all user interfaces. The equipment supports multiple clock modes to meet timing requirements in various application environments.

It can simultaneously provide ~220V and -48V power supplies.

2. Product Features

Chassis structure adopts 19-inch standard rack, plug-in card design; provides 17 3U user card slots;

Uses large-scale ASIC chip design, high integration;

Provides up to 2 SFP 2.5G optical transmission interfaces, capable of forming point-to-point, chain, ring, or 1+1 protection networks; transmission distance supports 20KM, 40KM, 80KM; default configuration is 40KM;

Provides 2 physically isolated wire-speed Gigabit Ethernet ports and 4 physically isolated wire-speed 100M Ethernet ports;

Provides up to 16 transparent E1 channels; physical interface is CC3-16 or CC3-8;

Provides up to 120 narrowband PCM service access capability;

Supports SNMP Ethernet network management;

Supports FXS/FXO and magneto cards, each card with 10/8 service interfaces;

2/4-wire EM interface card, each card with 4 interfaces;

RS232/RS422/RS485 each card with 8 interfaces;

GSM/CDMA service each card with 2 channels;

USER universal interface card, can mix 4 PCM service modules, each module up to 2 channels;

Provides 5-in-1 2-wire audio card: 3U-8MVOICE; each card provides 8 channels of 2-wire audio; each 2-wire audio channel can be configured as FXO/FXS/hotline/magneto/2100 magneto mode;

Can insert 3UMPCONV user optical port expansion card and WG300 signaling exchange card;

Supports video surveillance and video conference cards;

Supports DC-48V and AC220V dual power supply;

3. Technical Specifications

Optical Interface

Interface Type	SFP	Fiber Mode	Single-mode (multi-mode optional)
Rate	2.5Gbps	Wavelength	1310/1490/1550
Transmit Power	-1~-10dB	Receiver Sensitivity	Better than -24dBm

E1 Interface

Bit Rate	2.048Mbps	Line Code	HDB3
Standard Protocol	ITU-T G.703	Impedance	75Ω/120Ω
Frame Structure	PCM30/31	Mode	Transparent

Ethernet

Transmission Rate	10M or 100M or 1000M
Standard Protocol	Supports IEEE802.3	Operating Mode	Full/Half Duplex/Auto-negotiation

FXO, FXS Interface

Audio Range	300Hz~3400Hz	Compression	ITU G.711 A-law
Impedance	Triple-element complex impedance 200Ω+560Ω//0.1μF	Loop Current	25mA/channel

Co-directional 64K Interface

Line Code

G.703 standard

Bit Rate

64Kbps

Impedance

Balanced 120Ω

Fully complies with ITU G.703 recommendation

EM2/4-wire Interface

Audio Range	300Hz~3400Hz	Impedance	Balanced 600Ω
Compression	ITU G.711 A-law	Return Loss	Not less than 18dB

Magneto Interface

Audio Range	300Hz~3400Hz	Impedance	Balanced 600Ω
Compression	ITU G.711 A-law	Return Loss	Not less than 18dB

V.24 Interface

Transmission Rate

Asynchronous ≤9600bps; Synchronous 64Kbps

Electrical Characteristics

Complies with CCITT V.28 protocol

V.35 Interface

Interface Type	RJ-45	Electrical Characteristics	Complies with ITU-T V.35 recommendation
Transmission Rate	n×64Kbps (n=0～31)	Terminal Interface	Complies with ISO2593 specification