The NetVanta 1000 Series of managed, Layer 2, Ethernet switches is designed for fast, secure, cost-effective LAN switching. These scalable, full-featured business-class switches are 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 and familiar Command Line Interface (CLI).The NetVanta 1238 rackmount switch supports 48 10/100Base-T Ethernet ports with auto-rate, auto-duplexing, and MDI/MDI-X sensing. The NetVanta 1238 also supports four Gigabit ports for uplink or stacking capability.Rest assured, with the NetVanta 1238 your network is protected. This product also offers a variety of data security features including multilevel user passwords, Secure Shell (SSH) and Secure Socket Layer (SSL) for encrypted user login, and Access Authentication and Authorization (AAA) for authentication with a RADIUS, RSA SecurID and TACACS+.