3com 530 Manuel D’Utilisation

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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 
 
802.12 protocol 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.
 
802.3
 
 An 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.
Rc.bk : GLOSSARY.FRM  Page 1  Thursday, July 10, 1997  9:53 AM