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.
I. Overview
The IDM-300MP Telephone Optical Terminal provides 2 physically isolated 100M auto-negotiation Ethernet channel interfaces, 8 groups of transparent E1 interfaces, and FXO/FXS interfaces with Caller ID support, capable of supporting up to 300 subscriber voice channels.
The IDM-300MP Telephone Optical Terminal features 14 slots, with 1+1 redundant power supplies, 10 service boards, 2 main control boards (supporting mutual redundancy), and all slots support hot-swapping.
The IDM-300MP Telephone Optical Terminal multiplexes narrowband and broadband services onto a 155M optical transmission channel, simplifying transmission lines while reducing costs. The 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
Optical line rate: 250Mbps;
1 CMU central control management board, 10 user board slots, each user interface board supports 30 channels of 64K telephone audio services, with a maximum user interface capacity of 300 channels;
2 physically isolated 100M auto-negotiation Ethernet channel 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 unit adopts a centralized chassis design, standard 6U enclosure, compliant with telecom and carrier standards;
The optical terminal is easy to install and maintain.
III. Technical Specifications
Optical Interface
Interface Type | SFP | Fiber Mode | Single-mode(Multi-mode optional) |
Fiber Rate | 250Mbps | Wavelength | 850nm/1310nm/1550nm |
Transmit Power | -2～-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 | SupportsITU-T G.703 | Impedance | 75Ω/120Ω |
Frame Structure | PCM30/31 | Mode | Transparent |
FXO/FXS Interface
Audio Range | 300Hz~3400Hz | Impedance | Three-element complex impedance200Ω+560Ω//0.1μF |
Companding Rate | A-law per ITU G.711 | Loop Current | 25mA/channel |
Power Supply and Power Consumption
Power Supply | DC-48V/AC220V (External) | Total 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
FAQs
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