Acronyms-7
Acronyms and Abbreviations
OSS Operating Support System
PAD Packet Assembler Disassembler
PAP Password Authentication Protocol
PBX Private Branch eXchange
PC Personal Computer
PDU Protocol Data Unit
PID Private ID or password
PMC PCI Mezzanine Card
POTS Plain Old Telephone Service
PPP Point-to-Point Protocol
PRI Primary Rate Interface
PROM Programmable Read Only Memory
PSI Pounds per Square Inch
PUC Public Utility Commission
PVC Permanent Virtual Connection
QAM Quadrature Amplitude Modulation
QoS Quality of Service
QPLC Quad Physical Layer Controller
QTAM Queued Telecommunications Access Method (IBM)
RAM Random Access Memory
RAM Router Access Module
RAS Remote Access Server
RBOC Regional Bell Operating Company
RCV Receiver
RD Routing D omain
Table 1 Acronyms and Abbreviations (Continued)
Acronym Meaning