Cabletron Systems CSX200 CyberSWITCH Installation Manual page 82

Appendix D: Glossary
Dynamic Host Configuration Protocol is a protocol for automatic TCP/IP configuration
DHCP —
that provides static and dynamic address allocation and management.
Dial on Demand — Dial up WAN resources are accessed only when remote access is required
and released as soon as the resource is no longer needed.
Data Terminating Equipment. DTE refers to equipment used in a network as the data
DTE —
source and/or destination, such as computers.
Dual Tone Multi-Frequency. TOUCHTONE as opposed to Dial Pulse (DP).
DTMF —
DTR — Data Terminal Ready. RS232 signal used for indicating to the DCE the readiness to
transmit and receive data.
AppleTalk protocols running on Ethernet.
EtherTalk —
Feature to control the flow of data based on protocol or bridge information. Filters can
Filter —
be specific to allow data through or prevent transmission.
A combination of techniques used to protect one network from unknown networks
Firewall —
and users on the outside. Firewalls can filter or block traffic and act as a management and network
security point where all traffic can be scrutinized.
Frame — A group of data generated by Data Link Layer operation.
High bit rate Digital Subscriber Line. A technology to put two-way T1 on a normal
HDSL —
unshielded, bridged (but not loaded) twisted pair without using repeaters.
Transmission within the frequency range used for data transmission; i.e.,
In-Band Signaling —
results in use of bandwidth normally reserved for data.
IP — Internet protocol. A network layer protocol which allows a packet to traverse multiple
networks on the way to its final destination.
Internet address. A 32-bit address assigned to devices that participate in a network
IP Address —
using TCP/IP. An IP address consists of four octets separated with periods defining network,
optional subnet and host sections.
A proprietary Network layer protocol developed by Novell
IPX (Internet Packet Exchange) —
and used in NetWare networks.
D-2 CSX200 Installation Guide