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B
Glossary
IEEE 802.3 standard for the use of Ethernet LAN technology over Unshielded
10BASE-T —
Twisted Pair wiring, running at 10 Mbps.
Address Resolution Protocol. An Internet protocol used to bind an IP address to
ARP —
Ethernet/802.3 addresses.
American Standard Code for Information Interchange. 8-bit code for character
ASCII —
representation.
Attachment Unit Interface. An IEEE 802.3 transceiver cable connecting the network
AUI —
device (such as a router) to the MAU (media access unit).
Bandwidth on Demand —
or closing multiple B channels) when the load in traffic increases or decreases.
Bridge —
A device that segments network traffic. A bridge maintains a list of each node on the
segment and only traffic destined for a node on the adjacent segment is passed across the bridge. A
bridge operates at Layer 2 of the OSI reference model.
In ISDN, a full-duplex, 64 Kbps channel used for sending user data.
B Channel —
BRI —
Basic Rate Interface. The ISDN interface providing two 64 Kbps B channels for voice,
data and video transmission and one 16 Kbps D channel for signaling and data transmission.
Challenge Handshake Authentication Protocol. A security protocol supported under
CHAP —
point-to-point protocol (PPP) used to prevent unauthorized access to devices and remote networks.
Uses encryption of password, device names and random number generation.
Data Communicating Equipment. Equipment used within a network to transfer data from
DCE —
source to destination such as modems.
In ISDN, a full-duplex 16 Kbps channel used for link setup.
D Channel —
Data Compression —
communication links that represent the actual data bits. Compression is used to optimize use of
WAN links and speed data transmission.
Feature providing the capability of adjusting the bandwidth (opening
Techniques used to reduce the number of bits transferred across the
CyberSWITCH 100 Advanced User Information 55
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