Product Overview
The mine intrinsically safe switch is the "expressway" in the field of coal mine communications. It is mainly used to connect surface and underground equipment for data network transmission, enabling functions such as remote monitoring, wireless communication, personnel positioning, and broadcast communication.
The KJJ12 mine intrinsically safe switch is designed with technical requirements referencing the coal industry standard MT/T1081-2008 "Mine Network Switch" and can be used in hazardous locations in coal mines where gas and dust explosions may occur. The Ethernet module components are placed inside the enclosure to achieve data reception and transmission. Various interfaces are rich and easy to expand, and maintenance is convenient, enabling data reception and transmission. The switch has a simple structure, is easy to install, and offers reliable performance and good results. It has broad practicality and facilitates the efficient construction of underground industrial ring network systems.
Product Functions
Communication Networking
Forms an underground industrial Ethernet system, with optical ports and electrical ports freely combinable.
Ethernet Optical Signal Transmission
Number of interfaces: 2 quick-plug optical interfaces, 2 fiber optic interfaces, expandable as needed.
Transmission rate: 1000 Mbps
Transmission distance: ≤10Km
Ethernet Electrical Signal Transmission
Number of interfaces: 2 quick-plug electrical interfaces, 2 RJ45 electrical signal interfaces, expandable as needed.
Transmission rate: 10Mbps/100Mbps/1000Mbps adaptive
Transmission distance: ≤100m
Other Functions
The switch has a power failure protection function.
The switch has self-diagnosis and fault indication functions.
The switch has power, working status, and communication status indication functions.
Product Features
● Obtained both coal mine safety certification and intrinsic safety certification, dedicated for underground coal mine use.
● Optical ports, electrical ports, and 485 ports can be configured according to actual underground requirements to meet functional needs in different scenarios, with scalability.
● High-standard safety performance, high-quality cast enclosure. Waterproof, dustproof, and corrosion-resistant.
● Two quick-plug optical ports and two quick-plug electrical ports, all plug-and-play, convenient to install and remove, and simple for cabling. During installation and withdrawal along the working face, it can save a large amount of manpower and material resources and reduce the user's data communication costs.
● Features self-diagnosis, self-healing function, fault indication function, and power, working status, and communication status indication functions. In the event of a fault, it can automatically restore communication functions to prevent data interruption. Improves system stability.
Technical Specifications
| Product Name | KJJ12 Mine Intrinsically Safe Switch | |
| Rated Working Voltage | DC 12V | (Length × Width × Height, unit: mm) |
| Weight | 4Kg | 312×271×93 |
| Fiber Optic Interface | 4 built-in fiber optic LC interfaces 2 external quick-plug optical cable interfaces |
Transmission rate: 1000 Mbps |
| Network Electrical Interface | 4 built-in RJ45 interfaces 2 external quick-plug cable interfaces |
Transmission rate: 10 Mbps/100 Mbps adaptive |
Typical Applications
The mine intrinsically safe switch is an information transmission device capable of adapting to coal dust, gas, and humid environments in underground coal mines. It is used to connect surface and underground equipment for data network transmission, enabling functions such as remote monitoring, wireless communication, personnel positioning, and broadcast communication. It has a simple structure, is easy to install, and offers reliable performance and good results, with broad practicality.
