Black Box LGB5128A-R2 28-Port Managed Fiber Switch

Description

The Black Box LGB5128A-R2 is a high-performance Layer 2 managed switch designed for fiber-intensive LAN access networks . It features 20 100/1000-Mbps SFP fiber ports, 4 1-Gbps/10-Gbps SFP+ ports for uplink connectivity, and 4 dual-media 100/1000-Mbps SFP/twisted-pair ports, providing exceptional flexibility for connecting various fiber and copper devices . This switch supports advanced switching capabilities including Link Aggregate Control Protocol (LACP) with up to 14 groups of 8 ports per group, extensive Quality of Service (QoS) with 8 hardware queues for traffic prioritization, and robust VLAN capabilities for network segmentation. The switch is fully manageable via CLI through its RS-232 serial port or web-based management over Ethernet. Energy-efficient Ethernet (IEEE 802.3az) scales down power consumption during periods of low data activity, saving up to 50% on energy costs . This economical yet advanced switch is well-suited for workgroups, office LANs, and enterprise networks carrying high-priority traffic for powerful applications .