EXFO IQS-8100 Series Transport Blazer for IQS-600 User Manual
Page 598

Glossary
584
IQS-8100 Series Transport Blazer
Acronym List
D
CRC-6
Cyclic Redundancy Check (a six-bit word that detects
bit errors)
CRC-7
Cyclic Redundancy Check (a seven-bit word that
detects bit errors)
CRC LOMF
Cyclic Redundancy Check Loss Of Multiframe
CSF
Client Signal Fail
CSU
Customer Service Unit
CTRL
Control
CV
Code Violation
CW
Codeword
DAPI
Destination Access Point Identifier
dB
Decibel
dBdsx
Decibel DSX1
dBm
Decibel - milliwatts
DCC
Data Communication Channel
DCI
Defect Clear Indication
DM
Degraded Minutes
DNU
Do Not Use
DPSK
Differential Phase Shift Keying
DQDB
Distributed Queue Dual Bus
DS0
Digital Signal-level 0 (64 kbps)
DS1
Digital Signal-level 1 (1.544 Mbps)
DS3
Digital Signal-level 3 (44.736 Mbps)
DSn
Digital Signal-level n
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