Max Express Ethernet Switch LB9217A-R2 & Applicable Modules
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Glossary
10BASE-T
Networking standard for twisted-pair cabling capable of carrying data
at 10 Mbps.
100BASE-
TX
Networking standard for two pairs of high-quality twisted-pair wires
carrying data at 100 Mbps.
100BASE-FX
Networking standard for fiber-optic cabling capable of carrying data
at 100 Mbps.
auto-
negotiation
Two-part process by which a network device automatically senses the
speed and duplex capability of another device.
Category 5
Networking standard certifying that a copper wire cable can carry data
at up to 100 Mbps.
Collision
Concurrent Ethernet transmissions from two or more devices on the
same segment.
Ethernet
Networking standard for transmitting data at 10 Mbps.
Fast
Ethernet
Networking standard for transmitting data at 100 Mbps.
fiber-optic
cable
Cable made of thin glass threads that carry data in the form of light
pulses.
full-duplex
A communications technique that allows bi-directional, simultaneous
transmission between two devices on a single segment.
half-duplex
A communications technique in which one device on a segment
transmits while the other receives, then the process is reversed.
IEEE 802
Set of Institute of Electrical and Electronic Engineers standards for
defining methods of access and control on LANs.
LAN
Local area network. A network where computers are connected in close
proximity, such as in the same building or office park. A system of
LANs connected at a distance is called a wide-area network (WAN).
MAC
address
Media access control address. A hardware address that uniquely
identifies each node of a network.
Mbps
Millions of bits per second.
segment
Section of a network bounded by bridges, routers, hubs, or switches.
Dividing an Ethernet into multiple segments is a common way to
increase bandwidth on a LAN.
store-and-
forward
Switching feature where the port receives the entire incoming frame
and stores it in the buffers while checking for runts and error frames
before forwarding it to the destination port.
switch
Device that filters and forwards packets between LAN segments.
UTP
Unshielded twisted pair; cabling with wires that are twisted around
each other. The individual wires are not insulated.
wire speed
The ability to handle the fastest rate of traffic that a generator can
deliver without dropping packets. On a 100 Mbps connection, wire-
speed traffic is 148,809 packets per second using 64-byte frames or
8,127 packets per second using 1,518-byte frames.
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