Glossary
Acronyms and Abbreviations
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G L - 1 5
Lucent Technologies - Proprietary
See notice on first page
365-372-327 R2.0
Issue 1, October 2003
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TCVCXO
Termperature-Compensated Voltage-Controlled Crystal Oscillator
TDM
Time Division Multiplexing
TID
Target Identifier
TL1
Transaction Language 1
TLB
Timing Looped Back
TOP
Task Oriented Practice
TR
Telcordia Technologies Technical Requirement
TSA
Time Slot Assignment
TSI
Time Slot Interchange
TSO
Technical Support Organization
U
UAS
Unavailable Seconds
UNI
User Network Interface
UOC
Universal Optical Connector
UPD/INIT
Update/Intialize
UPSR
Unidirectional Path Switched Rings