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GLOSSARY
10BASE-T The IEEE 802.3 physical layer specification for a 10 Mbps Ethernet
network over two pairs of Category 3, 4, or 5 UTP wire.
100BASE-T The group of IEEE 802.3 physical layer specifications for a 100 Mbps
Ethernet network over various wiring specifications.
1000BASE-X The group of IEEE 802.3 physical layer specifications for a 1000 Mbps
Ethernet network over various wiring specifications.
1000BASE-CX The IEEE 802.3 physical layer specification for a 1000 Mbps Ethernet
network over short-haul shielded balanced copper cable (known as
twinaxial STP).
1000BASE-LX The IEEE 802.3 physical layer specification for a 1000 Mbps Ethernet
network over long laser wavelength (1300 nm) multimode fiber (MMF)
or single-mode fiber (SMF) cable.
1000BASE-SX The IEEE 802.3 physical layer specification for a 1000 Mbps Ethernet
network over short laser wavelength (850 nm) MMF or SMF cable.
Advanced RPS 3Com SuperStack II Advanced Redundant Power System.
asymmetric
flow control
A relationship between linked network devices in which only one of the
devices can receive pause frames. See also flow control, pause frame,
symmetric flow control.
auto-negotiation A method by which linked devices advertise their signaling capabilities
(such as protocol, speed, media type, and flow control capabilities) and
automatically select their best common mode of communication.
backbone The main transmission medium used to interconnect the workgroup
areas of a network. Fiber-optic cable is often used for the backbone
connection.