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-31  
main distribution frame (MDF)
A devic e that mounts to the wall inside the system eq uipment room. The MDF p rovid es a 
connec tion p oint from outsid e telep hone lines to the PBX switc h and  to the insid e telep hone 
stations.
main-satellite-tributary
A private network c onfiguration that c an either stand  alone or ac cess an ETN. A main...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-32  
MCU
Multip oint c ontrol unit
MDF
Main distribution frame
MDM
Modular data module
MDR
Messag e detail record
MEM
Memory
memory
A devic e into whic h information can be cop ied  and  held , and  from whic h information c an later b e 
ob tained.
memory shadowing link
An op erating -system condition that p rovid es a method for memory-resid ent p...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-33  
MMCS
Multimed ia Call Server
MMCH
Multimed ia call hand ling
MMI
Multimed ia interfac e
MMS
Material Manag ement Servic es
MO
Maintenanc e ob jec t
modem
A devic e that c onverts d igital d ata sig nals to analog  sig nals for transmission over telep hone 
circuits. The analog  sig nals are converted  b ac k to the orig inal d ig ital data sig...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-34  
MSG
Messag e servic e
MSL
Material stocking  loc ation
MSM
Mod ular System Manag ement
MSS
Mass storag e system
MSSNET
Mass storag e/network c ontrol
MT
Manag ement terminal
MTDM
Mod ular trunk data mod ule
MTP
Maintenanc e tap e p roc essor
MTT
Multitasking terminal
multiappearance voice terminal
A terminal equipp ed  with several call-ap...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-35  
N
N+1
Method  of d etermining  redundant b ackup req uirements. Examp le: if four rectifier modules are 
req uired  for a DC-powered  sing le-c arrier c ab inet, a fifth rec tifier mod ule is installed for b ackup.
N x DS0
N x DS0, equivalently referred  to as N x 64 kb ps, is an emerg ing  stand ard  for wid eb and  calls 
sep arate from H0,...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-36  
NFAS
See  
Nonfac ility-assoc iated  sig naling  (NFAS).
NI
Network interface
NID
Network Inward  Dialing
NM
Network management
NN
National numb er
node
A switc hing or c ontrol p oint for a network. Nod es are either tand em (they rec eive signals and  p ass 
them on) or terminal (they originate or terminate a transmission p ath)....

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-37  
OCM
Outb ound  Call Manag ement
offered load
The traffic that would  be g enerated b y all the req uests for servic e occ urring  within a monitored  
interval, usually one hour.
ONS
On-p remises station
OPS
Off-p remises station
OPX
Off-p remises extension
OQT
Old est q ueued  time
OSHA
Oc cup ational Safety and  Health Ac t
OSI
Op en Systems...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-38  
packet bus
A wid e-bandwid th b us that transmits p ackets.
packet switching
A d ata-transmission tec hnique whereb y user information is seg mented  and routed  in d iscrete data 
envelop es c alled  p ac kets, eac h with its own ap pended  control information, for routing, 
seq uencing , and  error c hec king. Pac ket switching  allows a c...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-39  
PGN
Partitioned  g roup numb er
PI
Processor interface
PIB
Processor interface b oard
pickup group
A group  of ind ivid uals authorized  to answer any c all d irec ted to an extension within the g roup .
PIDB
Prod uc t imag e d atab ase
PKTINT
Pac ket interfac e
PL
Private line
PLS
Premises Lig htwave System
PMS
Prop erty Manag ement System
PN...

DEFINITY ECS Release 8.2 Installation, Upgrades, 
and Additions for Compact Modular Cabinets  555-233-118  Issue 1
April 2000
Glossary and Abbreviations 
GL-40  
PPM
1. Parts p er million
2. Periodic  pulse metering
PPN
See  
p roc essor p ort network (PPN).
PRI
See  
Primary Rate Interfac e (PRI).
primary extension
The main extension assoc iated with the p hysic al voic e or d ata terminal.
Primary Rate Interface (PRI)
A stand ard  ISDN frame format that sp ecifies the p rotocol used  between two or...