Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Installation, Upgrades, And Additions For Compact Modular Cabinets Manual

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-21  
electronic tandem network (ETN)
A tandem tie-trunk network that has automatic  call-routing  cap ab ilities b ased  on the numb er 
d ialed  and  the most preferred  route available. Each switch in the network is assig ned  a uniq ue 
p rivate network offic e c od e (RNX), and  eac h voic e terminal is assigned  a unique extension.
Electronics...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-22  
expansion archangel (EAA)
A network-control mic rop roc essor loc ated on an expansion interfac e (EI) port c irc uit p ack in an 
exp ansion p ort network. The EA provides an interfac e b etween the EPN and  its c ontrolling 
switch-p roc essing  element.
expansion-archangel link (EAL)
A link-ac c ess func tion on the D-c hannel (LAPD) log ical...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-23  
facility-associated signaling (FAS)
Sig naling  for whic h a D-channel c arries sig naling  only for those c hannels on the same physical 
interfac e.
FA S
Facility-associated signaling
FAT
Facility access trunk
FA X
Fac simile
FCC
Fed eral Communic ations Commission
FEAC
Forced  Entry of Acc ount Cod es
feature
A sp ec ific ally d efined...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-24  
FRL
Fac ilities Restric tion Level
FX
Foreig n exc hang e
G
G3-MA
Generic  3 Manag ement Ap p lic ations
G3-MT
Generic 3 Manag ement Terminal
G3r
Generic 3, RISC (Red uced  Instruc tion Set Comp uter)
generalized route selection (GRS)
An enhanc ement to Automatic Alternate Routing/Automatic Route Selec tion (AAR/ARS) that 
p erforms routing  b...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-25  
H12
An ISDN information transfer rate for 1920-kb p s d ata defined  b y CCITT and  ANSI stand ard s.
handshaking logic
A format used to initiate a d ata c onnec tion b etween two d ata module d evices.
hertz (Hz)
A unit of freq uenc y equal to one c yc le p er sec ond .
high-reliability system
A system having the following : two c ontrol...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-26  
IAS
Inter-PBX Attend ant Servic e
ICC
Interc abinet c ab le or intercarrier c ab le
ICD
Inbound Call Director
ICDOS
International Customer-Dialed  Op erator Service
ICHT
Incoming call-handling table
ICI
Inc oming  call id entifier
ICM
Inb ound  Call Management
IDDD
International Direc t Distance Dialing
IDF
Intermed iate d istribution frame
IE...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-27  
inside call
A call p lac ed  from one telephone to another within the loc al c ommunic ations system. 
Integrated Services Digital Network (ISDN)
A pub lic  or p rivate network that p rovid es end -to-end  d ig ital c ommunic ations for all servic es to 
whic h users have ac cess by a limited  set of stand ard  multip urp ose user-network...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-28  
internal measurements
BCMS measurements that are mad e b y the system. ACD measurements that are mad e external to 
the system (via External CMS) are referred  to as external measurements.
in-use lamp
A red  light on a multiap p earanc e voic e terminal that lig hts to show whic h c all ap p earanc e will b e 
selec ted  when the handset is...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-29  
K
kHz
Kilohertz
kbps
Kilobits p er sec ond
kbyte
Kilobyte
kg
Kilogram
L
LAN
Loc al area network
LAP-D
Link Ac cess Proced ure on the D-c hannel
LAPD
Link Ac cess Proced ure d ata
LATA
Loc al ac c ess and  transp ort area
lb
Pou nd
LBO
Line buildout
LDN
Listed  d irec tory numb er
LDS
Long-d istanc e service
LEC
Loc al exc hang e c arrier
LED
See...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-30  
line
A transmission path b etween a c ommunic ations system or CO switching  system and  a voic e 
terminal or other terminal.
line appearance
See  
ap p earanc e.
line buildout
A selec tab le outp ut attenuation is g enerally req uired of DTE eq uipment bec ause T1 c ircuits 
req uire the last sp an to lose 15–22.5 d B.
line port
Hard ware that...