Accton Technology VM2548 User Manual download pdf (Page 63)

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-FX

IEEE 802.3u specification for 100 Mbps Fast Ethernet over two strands of 50/125 or

62.5/125 micron core fiber 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 two strands of 50/125, 62.5/125

or 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 100-ohm Category 5 or 5e

twisted-pair cable (using all four wire pairs).

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.

Bandwidth

The difference between the highest and lowest frequencies available for network

signals. Also synonymous with wire speed, the actual speed of the data

transmission along the cable.

Collision

A condition in which packets transmitted over the cable interfere

with each other.

Their interference makes both signals unintelligible.

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Accton Technology VM2548 User Manual Page 63