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Preliminary
XRT94L55
REV. P1.0.0
SONET/SDH OC-48/STM-16, 4XOC-12/STM-4, 16XOC-3/STM-1 FRAMER/CONCENTRATOR WITH INTEGRATED CDR’S
GENERAL DESCRIPTION
The XRT94L55 is a SONET/SDH OC-48/STM-16, 4xOC-12/STM-4, 16xOC-3/STM-1 Framer/Concentrator with integrated CDR's. • Provides Overhead Transparency between low andhigh speed interfaces • Supports performance monitoring and alarms required by GR.253 and ANSI T1.105 • Supports 50 msecond APS by monitoring and filtering K1,K2 bytes as required by the standards • Provides 48x48 STS-1 cross-connect between OC48 and OC-12/OC-3 interfaces • Supports Tandem Path Monitoring for Network Failure sectionalization as required by ANSI T1.