IDM MK-MSTP本安型光电一体化传输设备

---

title: "IDM MK-MSTP Intrinsically Safe Optical-Electrical Integrated Transmission Equipment"
model: "IDM MK"
category: "SDH"
tags:

• "Intrinsically Safe Optical-Electrical Integrated Transmission Equipment"
• "Intrinsically Safe Optical-Electrical Integrated Transmission Equipment Price"
• "Intrinsically Safe Optical-Electrical Integrated Transmission Equipment Quotation"
• "Intrinsically Safe Optical-Electrical Integrated Transmission Equipment Manufacturer"
  description: "The IDM MK-MSTP SDH 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."
  cover: "/images/imports/img-54eb57b7.webp"
  images:
• "/images/imports/img-54eb57b7.webp"
• "/images/imports/img-2c195911.webp"
• "/images/imports/img-f3ab81c3.webp"
• "/images/imports/img-251fb313.webp"
• "/images/imports/img-bf45d202.webp"
  specs:
  "Transmission Distance": "20Km, optional long-distance optical modules for extended fiber transmission"
  keywords: "Intrinsically Safe Optical-Electrical Integrated Transmission Equipment,Intrinsically Safe Optical-Electrical Integrated Transmission Equipment Price,Intrinsically Safe Optical-Electrical Integrated Transmission Equipment Quotation,Intrinsically Safe Optical-Electrical Integrated Transmission Equipment Manufacturer"
  slug: "idm-mk-mstp"
  publishDate: "2026-05-12"

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

Ø Operating Voltage: DC 12V, Operating Current: ≤800mA;

Ø Provides two STM-1 optical interfaces, supporting SDH ring and chain networks, with 1+1 channel protection for tributary services;

Ø Provides 4 service slots, supporting E1, voice, data, and video access;

Ø Provides 4 Ethernet service channels, enabling arbitrary bandwidth allocation of N×E1 (N=1~63);

Ø Supports access for up to 30 telephone lines;

Ø Telephone interface subscriber lines are isolated using isolation barriers;

Ø Equipped with power, operating status, and communication status indicators;

Ø 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.