Mining Intrinsically Safe Network Switch

Gigabit Ethernet, SFP Fiber Port, Ring Network Redundancy, RS485 Interface, Low Latency.

The KJJ12 is a rugged Intrinsically Safe Network Switch tailored for underground digital communication backbones. It ensures stable data, video, and voice transmission in explosive atmospheres without the risk of electrical ignition.

Network Connectivity:

• Fiber Ports: Features 5 Gigabit SFP Fiber Ports using LC connectors. It supports 1000Mbps full-duplex transmission over Single-mode Fiber (1310nm) with a maximum distance of 10km.

• Copper Ports: Includes 4 Gigabit RJ45 Ports supporting 10/100/1000Mbps adaptive speeds, with a maximum transmission distance of 100m.

• Serial Interface: Equipped with 5 RS485 Serial Ports for seamless integration of various mining sensors and control devices.

System Reliability:

• Redundancy Protocol: Supports Ring Network Topology (RSTP/MSTP/ERPS) with a self-healing recovery time of < 50ms, ensuring network continuity during single-point failures.

• Data Integrity: Optimized for low latency and high-bandwidth industrial automation tasks.

Physical Specifications:

• Power Input: Rated at DC 12V.

• Environmental Resistance: Operates within 0°C to +40°C; resistant to high vibrations (50m/s²) and mechanical shocks (500m/s²).

• Dimensions & Weight: Compact design measuring 388 x 296 x 158 mm and weighing 3.5kg.