Cabletron Systems CSX100 series, User Manual, Page: 138 / 153

ISDN Router 124
Console
Device used by the network administrator to configure and monitor the
router. The console employs an RS232 interface. Configuration Manager and
Command Line Interface are used on the console.
D-Channel
In ISDN, a full-duplex 16 Kbps channel used for link setup.
DCE
Data Communicating Equipment. Equipment used within a network to
transfer data from source to destination such as modems.
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.
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.
DN
Your ISDN provider (your Telco) assigns you Directory Numbers when your
ISDN services are first installed. DNs are used to identify the ISDN line.
Each DN is assigned for each B-channel of the ISDN line. In North America,
a DN is typically a 10-digit number (Ex: 408-555-1234).
DTE
Data Terminating Equipment. DTE refers to equipment used in a network as
the data source and/or destination, such as computers.
DTR
Data Terminal Ready. RS232 signal used for indicating to the DCE the
readiness to transmit and receive data.
Dynamic IP Address
IP address that is assigned by the Internet provider and which may change
with each connection.
EtherTalk
AppleTalk protocols running on Ethernet.
Filter
Feature to control the flow of data based on protocol or bridge information.
Filters can be specific to allow data through or prevent transmission.