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GLOSSARYGLOSSARY
Ed. 04 3/8Réf. 3EH 21000 BSAA
so that addresses can be reassigned when no longer being used by LAN hosts.
DISA
"Direct Inward Station Access". Services (Analog DISA and Transit DISA) enabling outside callers to
dial a specific number giving direct access to the system.
DLL
"Dynamic Link Library". Windows library linked dynamically to an application.
DLT2
"Digital Line T2". Private 2 MHz link in PRA mode (= digital ATL).
DNS
"Domain Name Server". System used on the Internet for converting domain names or machine na-
mes into IP addresses. A domain name, unlike an IP address, is an easily memorized Internet ad-
dress.
E
ECMA
"European Computer Manufacturers Association".
ETHERNET
Local network (LAN) operating at 10 or 100 Mbps (10 base T or 100 base T) over a coaxial cable.
Ethernet is similar to the IEEE 802.3-series standards.
F
FTP
"File Transfer Protocol". Standard protocol for exchanging files between remote computers over the
Internet.
FTP/STP/UTP
"Foiled Twisted Pairs/Shielded Twisted Pairs/Unshielded Twisted Pairs". Types of connection cables
to be used between an Alcatel OmniPCX and an external distribution panel.
G
GATEKEEPER
Secure directory server.
GATEWAY
Device connecting different networks.
GENERAL BELL
If the operator is absent, internal and external calls to the operator are directed to an external si-
gnaling device that lets any authorized terminal take these calls.
H
HSL
"High Speed Link". Link between the basic module and an add-on module; requires an HSL dau-
ghter board to be fitted on the CPU and MEX boards.
HTTP
"HyperText Transfer Protocol". Standard application protocol for exchanging files (text, images,
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