The D-Link DES-6008 is a two-port 1000BASE-T Gigabit copper module specifically designed for the DES-6000 switch. As a modular addition, it increases the switch?s support to deploy a Gigabit connection over a Cat5 cable to servers, workstations and other switches. The module adheres to IEEE 802.3ab, 802.1P, 802.1Q, and 802.3x protocols. With the 802.3ab, you can enable 1000 Mbps of throughput through existing copper wire utilizing existing Cat5 cabling. Through VLAN ID, the DES-6008 accepts both the 802.1P and 802.1Q protocol, which specifies a VLAN membership, by providing a means to encapsulate and prioritize untagged frames, with a buffer size of 2 MB per port. With the 802.3x Flow Control, the module initiates a pause to stop incoming network traffic, further reducing network traffic. The DES-6008 also supports NWAY auto-negotiation with backpressure control at half duplex mode. With a variety of supported layer 2 functions, it allows a method for packet switching, which receives the complete packet before any forwarding takes place. The DES-6008 supports Head-of-Line blocking and Broadcast Storm Protection, which gives administrators the option to either forward or discard multicast packets on network segments, further controlling network traffic.