Agilent Technologies AuroraPresto, User Manual

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Glossary & Abbreviations
Issue 7 - 05/02 Glossary-5
A B C D E F G H I
J K
L N O P Q R S T U V W X
Y Z
D
Data
This is digital information which may be voice, data,
image or video.
DE
Discard Eligibility. A bit in the cell header that, when
set, tells the network ‘discard this cell first’. This
provides a method of prioritising cells whose DE bits
are not set.
DGW
Default Gateway.
DHCP
Dynamic Host Control Protocol.
DMM
Digital MultiMeter.
DNS
Domain Name Server.
DSLAM
Digital Subscriber Loop Access Multiplexer. A device
which takes a number of ADSL subscriber lines and
concentrates these into a single ATM line.
DTE
Data Terminal Equipment. This is end user equipment
such as a PC, mainframe or workstation.
E
EMI
Electro-Magnetic Interference.
ES
Errored Second - when
Aurora Jazz
is running a BERT,
a second that contained at least one error.
F
FCS
Frame Checksum.
FEC
Forward Error Corrections.
481801-7.book Page 5 Thursday, May 23, 2002 10:46 AM