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IDM MK-MSTP intrinsically safe integrated optical/electrical transmission equipment

IDM MK-MSTP Intrinsically Safe Optical-Electrical Integrated Transmission Equipment

IDM MK

SDH·📅更新时间2026年5月12日·✍️管理员

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.

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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 ImageIDM MK-MSTP Intrinsically Safe Optical-Electrical Integrated Transmission Equipment 01.jpgIDM MK-MSTP Intrinsically Safe Optical-Electrical Integrated Transmission Equipment 02.jpg

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

V. Application Examples

Typical Application Diagram

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

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E1线路是什么?有哪些核心知识点?

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