D-Link DGE-550T User Manual page 7

Gigabit ethernet adapter

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DGE-550T 100/1000 PCI Adapter

Thank you for choosing D-Link DGE-550T, the value leader

among dual-speed adapters for PCI Bus personal computers.

This introduction gives a general description of the newer

networking technologies found on the DGE-550T.

The DGE-550T provides the bandwidth capability to

support high-end servers and workstations. With Auto-

negotiation, this card can run on three different speeds:

10/100Mbps, both half- and full-duplex, and 1000Mbps at

full duplex. When running at 1000Mbps, it provides a

network throughput of 2Gbps in full-duplex mode.

The card supports IEEE 802.1p Traffic Prioritization for

time-sensitive and mission-critical traffic. With IEEE

802.1Q multiple VLAN support, it provides VLAN tables

that can filter packets by recognized VLAN tags, strip

VLAN tags when received, and insert VLAN tags when

transmitted. VLANs can increase the efficiency and provide

extra security of your network.

The

DGE-550T

provides

IEEE802.3x

Flow

Control

Enhancements, which are needed for a network adapter to

function with a switch. In full-duplex mode, MAC

implements the PAUSE control function. This means when

a switch is connected in full-duplex mode and it senses that

its buffer will overflow in the near future, the switch will

transmit one standard Ethernet packet that causes the

Introduction