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SONET_Usr.bk Page 206 Wednesday, December 13, 2000 11:11 AM
ETSI/ANSI Terminology
ETSI/ANSI Conversion and Equivalent Terms
Introduction
Refer to the table given in this appendix for an explanation of equivalent SDH/
SONET terms.
ETSI: European Telecommunications Standards Institute.
ANSI: American National Standards Institute.
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ETSI/ANSI Conversion and Equivalent Terms
ETSI Term
AU-3
AU-4
BIP (Bit Interleaved parity)
High Order Path (HP / HO)
I-n Intra Office, (n=STM-n level)
L-n.1 or L-n.2 long haul
Low Order Path (LP / LO)
LP-REI
M.S.P
Multiplexer Section (MS)
Multiplexer Section Protection
MS-AIS
MS-BIP
MS-DCC
MS-REI
MS-RDI
Multiplexer Section Overhead
ANSI Term
STS-1 SPE + H1, H2, H3
STS-3c SPE + H1, H2, H3
CV (Code Violation)
STS Path
Intermediate Reach (IR)
LR long reach
VT Path
REI-V
A.P.S
Line
Automatic Protection Switching
Line AIS / AIS-L
Line CV / CV-L
Line DCC / DCC-L
Line FEBE / REI-L
Line FERF / RDI-L
Line Overhead
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