Cisco WS-C3750E-48TD-SD

The Cisco WS-C3750E-48TD-SD is a model of Cisco Catalyst 3750E Series Switch. It is a stackable enterprise-class switch designed for high-performance and high-density network deployments. The "WS" in the model number stands for "Workgroup Switch," indicating that it is designed for use in workgroup or small to medium-sized business environments. The "C3750E" indicates that it belongs to the Cisco Catalyst 3750E Series, which is known for its advanced features and scalability. The "48TD" indicates that it has 48 Ethernet ports with support for data and voice traffic. The "TD" stands for "Twisted Pair Dual Media," indicating that these ports can support both copper and fiber connections. The "SD" in the model number stands for "StackWise Plus Dual," which refers to the stacking capability of the switch. It allows multiple switches to be connected and managed as a single unit, providing increased scalability and redundancy.