Kentrox AI232 Operating Support System, Packet Assembler Disassembler, Private Branch eXchange

Acronyms and Abbreviations

	Table 1 Acronyms and Abbreviations (Continued)
Acronym	Meaning
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 Domain

Acronyms-7