Northern UTA220/UTA220k - Manual (Page 173)

UTA220/UTA220k
G-7
Abbreviations and Acronyms
P (Continued)
POTS
Plain Old Telephone Service
PRI
Primary
PRO
Program Option
PROG, PR
Programmable
PROM
Programmable Read Only Memory
PRP
Restored Factory Straps
PR/TM
Power / Test Mode / Error
PSK
Phase Shift Keying
PSTN
Public Service Telephone Network
PWI
Power Indication
Q
QAM
Quadrature Amplitude Modulation
R
R
Reference Designator
RAD
Random Access Method
RAL
Remote Analog Loopback
RAM
Random Access Memory
RC
Receive Clock
RCD
Receiver-Carrier Detector
RCV, RCVR
Receiver
RD
Receive Data
RD/ER
Receive Data / Error
RDI
Receive Data Inhibit
RDL
Remote Digital Loopback
RI
Ring Indication
RL
Remote Loopback
RLO
Request List of Stored Options
RLSD
Received Line Signal Detector
RLV
Request List of Version
rms
Root-Mean-Square