IDM 300GP Telephone Optical Line Terminal

I. Overview

The IDM-300GP Telephone Optical Terminal provides 2 physically isolated wire-speed 1000M Ethernet interfaces, 8 groups of transparent E1 interfaces, and FXO/FXS interfaces with Caller ID functionality, supporting a full configuration of 300 subscriber voice channels.

The IDM-300GP Telephone Optical Terminal offers 14 card slots, with 1+1 redundant power supplies, 10 service cards, and 2 main control cards. All card slots support hot-swapping.

The IDM-300GP Telephone Optical Terminal multiplexes narrowband and broadband services onto a 2.5G optical transmission channel, achieving both simplified transmission lines and cost savings. This device features a plug-in card structure design, with each service card providing 30 telephone channels, making installation easy and maintenance convenient.

Figure 1 IDM 300GP front and rear panel diagram

II. Product Features

• Optical line rate of 2.5Gbps;

• 1 CMU central control management card, 10 user card slots, each user interface card supports 30 channels of 64K telephone audio services, with a maximum user interface capacity of 300 channels;

• 2 physically isolated wire-speed 1000M adaptive Ethernet interfaces;

• 8 groups of transparent E1 interfaces, 4 groups in 75-ohm unbalanced mode and 4 groups in 120-ohm balanced mode, allowing customers to select based on their environment;

• The entire unit features a centralized chassis design, standard 6U enclosure, compliant with telecom and carrier standards;

• The optical terminal is easy to install and convenient to maintain.

III. Technical Specifications

Optical Interface

E1 Interface

Ethernet

FXO, FXS Interfaces

Co-directional 64K Interface

EM2/4****Wire Interface

V.24 Interface

V.35 Interface

Power Supply and Power Consumption

Environmental Conditions

Product Dimensions

IV. Application Example 1