4-Port 10/100/1000Mbps Gigabit Metal Ethernet Switch with 2 SFP Optical Uplinks (MDI/MDIX)

Compact metal-enclosed Gigabit switch featuring 4 adaptive RJ45 ports (10/100/1000Mbps) with automatic MDI/MDIX and two SFP Gigabit uplink optical modules. Designed for easy deployment — plug-and-play with minimal configuration required. Uplink ports include anti-thunder protection and meet secondary anti-thunder requirements for improved surge resilience. Rugged metal case and bilateral heat dissipation provide reliable, long-term operation. Optical options available: single-mode single-fiber / dual-fiber, multi-mode single fiber / dual fiber (optional).