ADTRAN Express 4120 - Manual (Page 183)

61200176L3-1 Express 4110/4120 User Manual Glossary-1
Glossary
10Base2
IEEE 802.3 specification, similar to Ethernet, using thin coaxial cable that runs at 10
Mbps, with a maximum distance of 185 meters per segment. Also known as Thin
Ethernet or Thinwire Ethernet.
10BaseT
IEEE 802.3 specification, using unshielded twisted-pair cabling and running at 10
Mbps.
AEP
AppleTalk Echo Protocol. Allows a node on an AppleTalk network to send a packet
to another node and in return, receive an echoed copy of the packet.
B-Channel
64 kbps bearer channel used for voice, circuit, or packet switched data.
bearer service
As defined by CCITT standards, a type of telecommunication service that provides the
capability for the transmission of information between user-to-network interfaces.
Bearer services defined for ISDN are circuit mode and packet mode.
BOOTP
The Bootstrap Protocol allows a network node to determine certain startup informa-
tion such as its IP address.
Bridge
A data communications device that connects two or more networks. A bridge stores
and forwards complete packets between the networks. Bridges operate at the data-
link layer of the OSI model.
CCITT
Consultative Committee on International Telephony and Telegraphy. A body of the
International Telegraph Union (ITU) which prepares recommendations, commonly re-
ferred to as international standards, to resolve technical telegraph and telephone prob-
lems.