【Performance Characteristics】

1.5G Transmission

The gateway supports 5G signal wireless transmission with the wireless protocol of 5G NR SA. It can upload and download data within milliseconds, significantly reducing latency.

2.Port Aggregation

Compliant with IEEE802.3 and IEEE802.3u Ethernet standards, it supports a large number of devices, enabling simultaneous connections for numerous devices at the same location.

3.Powerful Functions

It features power, working status, and communication status indicators, as well as ring network self-healing. The gateway can convert between Ethernet optical signals and Ethernet electrical signals and has integrated edge computing capabilities.

4.Safe and Reliable

With a stainless steel shell, it meets intrinsically safe design standards and holds coal mine safety certification and explosion-proof qualifications, making it suitable for harsh industrial environments. Data encryption and privacy protection are rigorous, ensuring data security.

【Working Principle】

The KJJ12(5G) Mine-used Intrinsically Safe 10-Gigabit Gateway is a network device specifically designed for coal mining applications. It can connect various coal mining industrial devices, sensors, and systems and transmit data and communicate via the 5G network. Its core mission is to achieve seamless connections between devices and between devices and cloud platforms, enabling real-time data monitoring and remote control.

【Technical Parameters】

A.Explosion-proof Type: Mine-used Intrinsically Safe, marked as "Ex ib I Mb".

B.Dimensions: 495mm×395mm×111mm; 

C.Weight: approximately 7.5kg.

D.Power Supply

a)Rated working voltage: DC 12V (three circuits, not grounded together);

b) Maximum working current: no more than 1.5A per circuit.

E.10-Gigabit Ethernet Optical Interface

a) Number of interfaces: 4;

b) Interface type: LC, single-mode dual-fiber, optical wavelength 1310nm;

c) Transmission mode: TCP/IP Ethernet optical signal;

d) Transmission rate: 10000Mbps;

e) Transmit power: (-15~0)dBm;

f) Receive sensitivity: -25dBm;

g) Maximum transmission distance: 10km (using MGTSV mine-used optical cable, with a total of 8 fiber optic splice points, including 3 fusion splice points, 3 cold splice points, and 2 activity splice points).

F.Gigabit Ethernet Optical Interface

a) Number of interfaces: 8;

b) Interface type: LC, single-mode dual-fiber, optical wavelength 1310nm;

c) Transmission mode: TCP/IP Ethernet optical signal;

d) Transmission rate: 1000Mbps;

e) Transmit power: (-15~0)dBm;

f) Transmit power: (-15~0)dBm;

g) Maximum transmission distance: 10km (using MGTSV mine-used optical cable, with a total of 8 fiber optic splice points, including 3 fusion splice points, 3 cold splice points, and 2 activity splice points).

G.Ethernet Electrical Signal Interface

a) Number: 7;

b) Transmission mode: TCP/IP Ethernet electrical signal;

c) Transmission rate: 100/1000Mbps adaptive;

d) Signal working voltage peak-to-peak: ≤5V;

e) Maximum transmission distance: 50m (cable model: MHYV 4×2×1/0.97mm).

H.Wireless Parameters (5G)

a) Working frequency band: n1/1920MHz~2170MHz, n78/3300MHz~3800MHz;

b) Wireless transmission protocol: 5G NR SA;

c) RF port transmit power (before antenna): (-15~30) dBm;

d) Receive sensitivity: -80dBm;

e) Maximum communication distance: 50m (in an open area without obstructions);

f) Communication protocol: 802.11a/b/g/n/ac/ax;

g) Antennas (simple devices): 4 pieces, model: SC2-6996-1.5Q85AWB1X (5.8G), nominal gain: 1.5 ± 0.5dBi;

h) Feeder cable model and specifications: MSYV-50-5 (mine-used RF coaxial cable), length: not more than 0.5m.

【Product Qualifications】