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ACRONYMS
Acronyms Definition
OSPE Outside Plant Engineering
OSS Operational Support Systems
PCS Prestige® Communications Service
PIU Percent Interstate Usage
PLF Percent Local Facility
PLU Percent Local Usage
POP Point of Presence
PTD Plant Test Date
RD Resistance Design
RSOS Regional Service Order Standards
RT Remote terminal
S&E Service & Equipment
SAC Service Advocacy Center
SAW Service Assurance Warranty
SI Service Inquiry
SIG Service Installation Guarantee
SL1 Service Level One
SL2 Service Level Two
SMAS Special Access Maintenance Service
SONET Synchronous Optical Network
SPID Service Profile Identifier
SWC Serving Wire Center
TAFI Trouble Analysis Facilitation System
T&M Time and Materials
TCAP Transaction Capabilities Application Part
TELRIC Total Element Long Run Incremental Cost
TOS Type of Service
UC Channelization
UCL Unbundled Copper Loop
UCL/L Unbundled Copper Loop - Long
UCL/S Unbundled Copper Loop – Short
UDL Unbundled Digital loop
UIT Unbundled Interoffice Transport
ULC Local Channel
ULL Local Loop
ULM Unbundled Loop Modification
ULS Unbundled Local Switching
UNEC Unbundled Network Elements Center
UNTW Unbundled Network Terminating Wire
UPS Unbundled Packet Switching
USL Unbundled Sub-Loop
USL-D Unbundled Sub-Loop-Distribution
USL-R / USL-INC (riser
cable)
Unbundled Sub-Loop Intra-Building Network (Riser) Cable