D-Link DES-1048G

D-Link DES-1048G ... connection. It gives you 48 10/100Mbps ports, plus 2 Gigabit ports, all in one low profile rack-mountable case. All 10/100Mbps ports auto-sense the network speed of the computers and hubs to run at either 10Mbps or 100Mbps auto-negotiate between full/half duplex, and support flow control. IEEE 802.3x Flow Control allows your servers to directly connect to this switch for fast, reliable data transfer.

At 200Mbps full duplex, this switch provides high-speed data pipes to your servers with minimum data transfer loss. 2 Gigabit ports are provided on the backside in the GBIC configuration. These GBIC ports are for server connection, they give you the 2000Mbps full duplex Gigabit speed, plus the flexibility of installing different types of fiber modules, which include the multimode 1000BaseSX and single-mode 1000BaseLX fiber optics.