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DHCP
dial in
dial on demand
dial out
domain name
domain nameserver
Domain Name System
(DNS)
DSL
DTE
DTR
echo interval
Glossary
4
Dynamic Host Configuration Protocol. A network configuration
protocol that lets a router or other device assign IP addresses and
supply other network configuration information to computers on
your network.
Port setting that specifies that other routers can initiate a connection
to the local router but that the local router cannot initiate a
connection to other routers. A port can be set as both dial in and
dial out. Compare dial out.
Communication circuit opened over standard telephone lines when
a network connection is needed.
Port setting that specifies that it can initiate a connection to other
routers but that other routers cannot initiate a connection to it. A
port can be set as both dial in and dial out. Compare dial in.
Name identifying an organization on the Internet. Domain names
consists of sets of characters separated by periods (dots). The last
set of characters identifies the type of organization (.GOV, .COM,
.EDU) or geographical location (.US, .SE).
Network computer that matches host names to IP addresses in
response to Domain Name System (DNS) requests.
Standard method of identifying computers by name rather than by
numeric IP address.
Digital Subscriber Line. Modems on either end of a single twisted
pair wire that delivers ISDN Basic Rate Access.
Data Terminal Equipment. Network node that passes information to
a DCE (modem) for transmission. A computer or router
communicating through a modem is an example of a DTE device.
Data Terminal Ready. Circuit activated to indicate to a modem (or
other DCE) that the computer (or other DTE) is ready to send and
receive data.
Frequency with which the router sends out echo requests.
Cayman 3220-H User's Guide
December 2000
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