Abkürzungen
MSS
Mass Storage System (Massenspeichersystem)
MSSNET
Mass Storage/Network Control
(Massenspeicher/Netzsteuerung)
MT
Management-Terminal (Wartungsterminal)
MTDM
Modular Trunk Data Module
MTP
Maintenance Tape Processor
MTT
Multi-Tasking Terminal
MWL
Message Waiting Lamp (Nachrichtenlampe)
N
NANP
North American Numbering Plan
(Nordamerikanischer Rufnummernplan)
NAU
Network Access Unit
NCA/TSC
Non-Call Associate/Temporary Signaling Connection
NCOSS
Network Control Operations Support Center
NCSO
National Customer Support Organization
NEC
National Engineering Center
NEMA
National Electrical Manufacturer's Association
(Verband der nationalen elektrotechnischen
Herstellerbetriebe in den USA)
NETCON
Network Control Circuit Pack (Baugruppe Network
Control)
NFAS
Non-Facility Associated Signaling
(Anschlußübergreifende Signalisierung)
NI
Network Interface (Netzabschluß)
NID
Network Inward Dialing
ABB-8
Ausgabe 1 November 1996
NM
Network Management (Netzwerkverwaltung)
NN
National Number (Nationale Rufnummer)
NPA
Numbering Plan Area
NPE
Network Processing Element
NQC
Number of Queued Calls (Anzahl der Anrufe in der
Warteschlange)
NSE
Night Service Extension (Nachtabfragestelle)
NSU
Network Sharing Unit
NXX
Public Network Office Code
O
OA
Operator Assisted (operatorgestützt)
OCM
Outbound Call Management (Management
abgehender Gespräche)
ONS
On-Premises Station (Interne Nebenstelle)
OPS
Off-Premises Station (Externe Nebenstelle)
OPX
Off-Premises Extension (Externe Endstelle)
OQT
Oldest Queued Time (Längste Wartezeit)
OSHA
Occupational Safety and Health Administration
(Verwaltung von Sicherheit und Gesundheit am
Arbeitsplatz)
OSI
Open Systems Interconnect
OSS
Operations Support System
OSSI
Operations Support System Interface