AT&T DEFINITY 7200 series User Manual
Page 310
AB-4
ABBREVIATIONS
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MPDM
modular processor data module
MS/T
main satellite/tributary network
MTDM
modular trunk data module
Mbps
million bits per second
NCP
network control point (for SDN)
NID
network inward dialing
OSI
Open Systems Interconnection
PAM
pulse-amplitude modulation
PBX
private branch exchange
PC
personal computer
protocol converter
PCM
pulse-code modulation
PNA
Private Network Access (package)
PNI
port network interface (for SDN)
POP
point of presence
PRI
primary rate interface
PROC
procedure
PSC
permanent switched connection
RLT
release link trunk
RNX
location code
S75/S85
System 75/System 85
SAT
system access terminal
SCI/PI
switch communications interface/processor interface
SCS
system clock synchronizer
SDDN
Software-Defined Digital Network