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152-402-145-02, Issue 2 Appendix E - Abbreviations
H2TU-R-402 June 16, 2000 38
NREM: Network Remote Loopback
NTF: No Trouble Found
O
OOF: Out-of-Frame
OPTIS: Overlapped Pulse Amplitude Modulation Transmission
with Interlocking Spectra
OUT: Receive
P
PBOC: Power Back Off Customer
PBON: Power Back Off Network
PL: Payload
POTS: Plain Old Telephone Service
PRM: Performance Report Messaging
PRM-FE: Performance Report Messaging-Far End
PRM-NE: Performance Report Messaging-Near End
PWRF: Power Feed
R
RAI: Remote Alarm Indication
RAI-CI: Remote Alarm Indication-Customer Installation
RAIS: Remote Alarm Indication Signal
RDA: Remote Disconnect Alarm
RLOS: Remote Loss of Signal
RMA: Return Material Authorization
ROVR: RAI Overwrite
RRAI: Remote RAI
S
SDSL: Symmetrical Digital Subscriber Line
SES: Severely Errored Seconds
SES-L: Severely Errored Seconds-Line
SES-P: Severely Errored Seconds-Path
SF: SuperFrame
SMJK: SmartJack
SNET: Southern New England Telephone
SPLB: Special Loopback
SPRM: Supplemental PRM
T
TLOS: Transmit Loss of Signal
U
UAS: Unavailable Seconds
UAS-P: Unavailable Seconds-Path
UNFR: Unframed
X
XMT: transmit