3Com 510, 520, 530 manual Glossary, 100BaseVG An Ieee standard for using the new Ieee

C GLOSSARY

10Base2 An IEEE standard for using IEEE 802.3 protocol at 10 Mbps over thin Ethernet cable.

10Base5 An IEEE standard for using IEEE 802.3 protocol at 10 Mbps over thick Ethernet cable.

10BaseT An IEEE standard for using IEEE 802.3 protocol at 10 Mbps over unshielded twisted-pair cable (the T stands for twisted pair).

100BaseVG An IEEE standard for using the new IEEE

802.12protocol at 100 Mbps over unshielded twisted-pair cable of type 5 or type 3.

100BaseT A proprietary standard for using IEEE 802.3 protocol at 100 Mbps over unshielded twisted-pair cable. IEEE standards approval pending.

802.3An IEEE standard for the physical layer that specifies a CSMA/CD protocol. This is the standard protocol used for Ethernet. Refer to CSMA/CD.

Address The unique code assigned to each device or workstation connected to the LAN.

Age The process of removing an address from the unit’s filtering database after the device has not transmitted for a given period of time.

ANSI American National Standards Institute.

Application layer Layer seven, the uppermost part of the OSI network layer model. This layer contains the user and application programs.

ASCII American Standard Code for Information Interchange, a standard that defines the values that are used for letters, numbers, and symbols.

Attenuation The progressive degradation of a signal as it travels through a cable.

AUI Attachment user interface, the interface between the unit and the data terminal equipment, usually in the form of a connecting cable.