IDM MK-MSTP Intrinsically Safe Optical-Electrical Integrated Transmission Equipment
IDM MK
The IDM MK-MSTP SDH equipment is a brand-new mine information transmission device that provides 100/1000Mbps fast Ethernet and intrinsically safe voice interfaces. It is an explosion-proof communication product essential for establishing integrated service access and transmission underground. This product can be remotely managed via the network; it integrates MSTP transmission and PCM multi-service access functions, and utilizes SDH optical fiber ring network protection to provide more reliable communication protection. The IDM MK-MSTP can directly connect to underground intrinsically safe telephones, intrinsically safe cameras, intrinsically safe broadcasting, and other terminals.
I. Overview
The IDM MK-MSTP Intrinsically Safe Optical-Electrical Integrated Transmission Equipment is a brand-new mining information transmission device that provides 100/1000Mbps Fast Ethernet and intrinsically safe voice interfaces. It is an essential explosion-proof communication product for establishing integrated service access and transmission underground. This product supports remote management via the network; it integrates MSTP transmission and PCM multi-service access functions, utilizing SDH optical fiber ring network protection to provide more reliable communication protection.
The IDM MK-MSTP can directly connect to underground intrinsically safe telephones, intrinsically safe cameras, intrinsically safe broadcasting terminals, and other endpoints.



IDM MK-MSTP Image
II. Product Features
Operating Voltage: DC 12V, Operating Current: ≤800mA;
Provides two STM-1 optical interfaces, supporting SDH ring and chain networks, with 1+1 channel protection for tributary services;
Provides 4 service slots, supporting E1, voice, data, and video access;
Provides 4 Ethernet service channels, enabling arbitrary bandwidth allocation of N×E1 (N=1~63);
Supports access for up to 30 telephone lines;
Telephone interface subscriber lines are isolated using isolation barriers;
Equipped with power, operating status, and communication status indicators;
Compact size, lightweight, easy installation, relocation, and maintenance, with high reliability.
III. Technical Specifications
Optical Interface
Fiber Mode | Single-mode (Multi-mode optional) | ||
TX/RX Rate | 155.52Mbps/155.52Mbps | TX/RX Wavelength | 1310nm/1550nm |
Optical Output Power | -12~-6dBm | Receiver Sensitivity | Better than-32dBm |
Transmission Distance | 20Km; long-distance optical modules can be optionally installed for extended fiber transmission | ||
E1 Interface
Line Rate | 2.048Mbps | Line Code | HDB3 |
Standard Protocol | SupportsITU-T G.703 | Impedance | 75Ω/120Ω |
Frame Structure | PCM30/32 | Signaling | Channel-Associated Signaling |
Ethernet
Transmission Rate | N×VC12 (N≤50) | ||
Standard Protocol | Supports IEEE802.3 | Operating Mode | Full/Half Duplex/Auto-negotiation |
EM2/4 Wire Interface
Audio Frequency Range | 300Hz~3400Hz | Impedance | Balanced600Ω |
Companding | A-law per ITU G.711 | Return Loss | Not less than18dB |
V.24 Interface
Transmission Rate | Asynchronous≤9600bps; Synchronous64Kbps | Electrical Characteristics | Compliant withCCITT V.28protocol |
Power Supply and Power Consumption
Power Supply | DC 12V | Power Consumption | ≤12W |
Environmental Conditions
Operating Temperature | -20oC ~+50oC | Relative Humidity | 0~95% (non-condensing) |
IV. Service Board Selection List

V. Application Examples

Typical Application Diagram
The IDM MK-MSTP can form star or ring networks together with our above-ground aggregation SDH optical-electrical integrated unit, the IDM MSAP-G3CP, providing basic communication services to underground areas, including telephone interfaces, audio interfaces, network interfaces, etc. It can connect to intrinsically safe telephones, intrinsically safe broadcasting systems, intrinsically safe switches, and intrinsically safe cameras.
常见问题
SDH技术与MSTP产品有哪些特点?
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查看完整回答PDH与SDH有什么区别?
一、PDH PDH是准同步数字系列,分欧洲标准和美日标准。 欧洲标准以2M为基群、二次群为8M、三次群为34M....余类推。 美日标准以1.5M为基群、二次群为6.3M、三次群为32M.....余类推。
查看完整回答E1线路是什么?有哪些核心知识点?
E1基础知识 E1信道的帧结构简述 在E1信道中,8bit组成一个时隙(TS),由32个时隙组成了一个帧(F),16个 帧组成一个复帧( MF)。在一个帧中,TS0主要用于传送帧定位信号(FAS)、CRC-4(循环冗余校验)和对端告警指示…
查看完整回答EoPDH技术简介
Ethernet-over-PDH 是一组技术和标准,用于在已建立的准同步数字系列(PDH) 电信网上传输本地以太网帧,这项技术可以让运营商充分利用由传统PDH和SDH设备所组成的网络,并
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