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