IDM-300MP Telephone Optical Terminal
The IDM-300MP multi-service optical terminal provides a 250M optical interface, offering 300 telephone channels + 8 E1 + 2 physically isolated wire-speed 100M Ethernet ports, with a standard SNMP network management interface.
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I. Overview
The IDM-300MP Telephone Optical Terminal provides 2 physically isolated 100M adaptive Ethernet channel interfaces and 8 groups of transparent E1 interfaces, while also offering FXO and FXS interfaces with Caller ID functionality, supporting a full configuration of up to 300 subscriber voice channels.
The IDM-300MP Telephone Optical Terminal features 14 slot positions, with 1+1 redundant power supplies, 10 service boards, and 2 main control boards (supporting mutual redundancy). All slots support hot-swapping.
The IDM-300MP Telephone Optical Terminal multiplexes narrowband and broadband services onto a 155M optical transmission channel, achieving both simplified transmission lines and cost savings. This optical terminal adopts a plug-in card structure design, with each service board providing 30 telephone channels, making installation easy and maintenance convenient.
IDM-300MP Optical Terminal Device Image
II. Product Features
Ø Optical line rate of 250Mbps;
Ø 1 CMU central control management board, 10 user board slots, each user interface board supports up to 30 channels of 64K telephone audio services, with a maximum user interface capacity of 300 channels;
Ø 2 physically isolated 100M adaptive Ethernet channel interfaces;
Ø 8 groups of transparent E1 interfaces, with 4 groups in 75-ohm unbalanced mode and 4 groups in 120-ohm balanced mode, allowing customers to select based on their environment;
Ø The entire unit features a centralized chassis design, standard 6U housing, compliant with telecom and carrier-grade standards;
Ø The optical terminal is easy to install and convenient to maintain.
III. Technical Specifications
Optical Interface
Interface Type | SFP | Fiber Mode | Single-mode (Multi-mode optional) |
Fiber Rate | 250Mbps | Wavelength | 850nm/1310nm/1550nm |
Optical Output Power | -2 to -11dBm | Receiver Sensitivity | Better than -36dBm |
Ethernet
Interface Type | RJ-45 | Transmission Rate | 100M wire-speed |
Standard Protocol | Compliant with IEEE-802.3u standard | Port Mode | 10M/100M auto-negotiation |
E1 Interface
Line Rate | 2048Kbps | Line Code | HDB3 |
Standard Protocol | Supports ITU-T G.703 | Impedance | 75Ω/120Ω |
Frame Structure | PCM30/31 | Mode | Transparent |
FXO/FXS Interfaces
Audio Range | 300Hz~3400Hz | Impedance | Triple complex impedance200Ω+560Ω//0.1μF |
Compression Rate | ITU G.711 A-law | Loop Current | 25mA/channel |
Power Supply and Consumption
Power Supply | DC-48V/AC220V (External) | Power Consumption | ≤400W |
Environmental Conditions
Operating Temperature | 0°C ~ +40oC | Humidity | 90% (35°C), non-condensing |
Product Dimensions
Length×Depth×Height | 482×266×270 (mm) |
Note: Chassis color available in black/white.
IV. Application Examples
