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February 2003 © 2003 Foundry Networks, Inc. Glossary-1
GLOSSARY
10BASE-T
IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of
Category 3, 4, or 5 UTP cable.
100BASE-TX
IEEE 802.3u specification for 100 Mbps Fast Ethernet over two
pairs of Category 5 UTP cable.
1000BASE-LX
IEEE 802.3z specification for Gigabit Ethernet over one strand of
9/125 micron core fiber cable.
1000BASE-LH
Gigabit Ethernet over two strands of 9/125 micron core fiber
cable.
1000BASE-SX
IEEE 802.3z specification for Gigabit Ethernet over two strands of
50/125 or 62.5/125 micron core fiber cable.
1000BASE-T
IEEE 802.3ab specification for Gigabit Ethernet over two pairs of
Category 5, 5e 100-ohm UTP cable.
Auto-Negotiation
Signalling method allowing each node to select its optimum
operational mode (e.g., 10 Mbps or 100 Mbps and half or full
duplex) based on the capabilities of the node to which it is
connected.