Adtran NetVanta 1238

The NetVanta 1234 is a fully managed, Layer 2, 48-port Ethernet switch designed for fast, secure, cost-effective LAN switching. This scalable, full-featured business-class switch is perfect for VoIP applications by using robust Quality of Service (QoS) features, protecting the organization with advanced security capabilities, and ease of management with an easy to use Web-GUI.

Features
* 48-port auto-sensing 10/100Base-T managed Layer 2 Ethernet switch
* 4 Gigabit uplink ports
* Non-blocking, up to 17.6 Gbps switching capacity
802.1Q tagged and port-based Virtual Local Area Networks (VLANs)
* Support for up to 255 active VLANs
802.1p and DiffServ prioritization with four queues per egress port
* Link aggregation, LLDP and LLDP-MED
* Weighted Round Robin (WRR) and WRR + expedite
* 802.1D Spanning Tree and 802.1w Rapid Spanning Tree support
* DHCP address management
* RADIUS authentication
* Port mirroring
* TFTP/FTP firmware upgrades
* Broadcast, Unicast, and Multicast storm control
* Wi-Fi Access Controller for centralized management of NetVanta Wireless Access Points (WAPs)
* Cable diagnostics identifies cable length and detects shorts or open twisted pair
* Familiar Command Line Interface (CLI)
* Web-based Graphical User Interface (GUI)
* Limited Lifetime Warranty