Cabletron Systems WPIM-DDS Guía de instalación descargar pdf (Pagina 85)

HSIM-W6 Installation Guide E-1

Glossary

10BASE-T — IEEE 802.3 standard for the use of Ethernet LAN technology over Unshielded

Twisted Pair wiring, running at 10 Mbps.

ARP — Address Resolution Protocol. An Internet protocol used to bind an IP address to Ethernet/

802.3 addresses.

ASCII — American Standard Code for Information Interchange. It is an 8-bit code for character

representation.

AUI — Attachment Unit Interface. An IEEE 802.3 transceiver cable connecting the network

device (such as a router) to the MAU (media access unit).

Bandwidth on Demand — Feature providing the capability of adjusting the bandwidth (opening

or closing multiple B channels) when the load in trafﬁc increases or decreases.

B Channel — In ISDN, a full-duplex, 64 Kbps channel used for sending user data.

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.

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.

CHAP — Challenge Handshake Authentication Protocol. A security protocol supported under

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.

DCE — Data Communicating Equipment. Equipment used within a network to transfer data from

source to destination such as modems.

D Channel — In ISDN, a full-duplex 16 Kbps channel used for link setup.

Data Compression — Techniques used to reduce the number of bits transferred across the

communication links that represent the actual data bits. Compression is used to optimize use of

WAN links and speed data transmission.

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Cabletron Systems WPIM-DDS Guía de instalación Pagina 85