7
7.0 Acronyms, Abbreviations and
Notation
7.1 Arithmetic Notation
7.1.1 Bit Numbering
The Least Significant Bit (LSB) having the lowest number represents the lowest
number within a bit.
7.1.2 Acronyms and Abbreviations
AIS
Alarm Indication Signal
2B1Q
BER
2 Binary, 1 Quaternary
Bit Error Rate
CMOS
CO
Complementary Metal-Oxide Semiconductor
Central Office
CRC
DPLL
EOC
HDSL Cyclic Redundancy Check
Digital Phase Lock Loop
HDSL Embedded Operations Channel
Extended Superframe
ESF
FEBE
JTAG
HDSL
HOH
HRP
HDSL Far-End Block Error
Joint Test Action Group
High-Bit-Rate Digital Subscriber Line
HDSL OverHead
HDSL Repeater Present
HTU-C
HTU-R
LIU
HDSL Terminal Unit at the Central Office
HDSL Terminal Unit at the Remote Distribution
Line Interface Unit
LOSD
LOSW
LSB
Loss of Signal - DS1
HDSL Loss-of-Sync Word
Least Significant Bit
LFSR
MSB
PQFP
PLCC
PRBS
QUAT
QRSS
SF
Linear Feedback Shift Register
Most Significant Bit
Plastic Quad Flat Pack
Plastic Leaded Chip Carrier
Pseudo-Random Binary Sequence
Quaternary symbol
Quasi-Random Sequence Signal
Super Frame
UIB
Unspecified Indicator Bit
N8953BDSB
Conexant
7-1