LevelOne, GTL-5291, 52-Port L3 Managed Gigabit Switch, 48 x Gigabit RJ45, 4 x 10GbE SFP+
Features:
- 48 Gigabit Ethernet ports and 4 10-Gigabit SFP+ slots.
- Supports L3 management, such as OSPF, RIP, QoS, VLAN, MSTP, Multi-brocast, ports management.
- 6KV surge protection, 6KV contact / 8KV air ESD protection.
- Supports working temperature -10°C ~50°C.
The LevelOne GTL-5291 includes high-performance Gigabit Ethernet Layer3 switches featuring 52 ports; 48-10/100/1000BASE-T ports, 4 10G SFP+ ports, Supports L3 management, such as OSPF, RIP, QoS, VLAN, MSTP, Multi-brocast, ports management. The switch is ideal for high-performance server aggregations, such as enterprise data centers, where it can connect high-end or network-attached file servers through fiber ports. It can also deployed as a backbone upgrade, or to provide Gigabit-to-the-desktop for power users. This switch is packed with features and is a cost-effective solution that brings continuous availability, enhanced security, and advanced QoS to the network edge, while maintaining simplicity of management.
For more information, please see 
Data Sheet
