Appendix B: Acronym List
CN8223
ATM Transmitter/Receiver with UTOPIA Interface
POI
Path Overhead Identifier
PQFP
RDI
Plastic Quad Flat Pack
Remote Defect Indication
SDH
SMDS
SONET
SPE
SSM
STS
Synchronous Digital Hierarchy
Switched Multimegabit Data Service
Synchronous Optical Network [an ANSI standard]
Synchronous Payload Envelope
Single Segment Message
Synchronous Transport Signal
TAXI
UNI
Transparent Asynchronous Transmitter/Receiver Interface
User-to-Network Interface
UTOPIA
VCI
Universal Test And Operation Physical Interface For ATM
Virtual Channel Identifier
VPI
Virtual Path Identifier
B-2
Conexant
100046C