XRT94L55

• Provides the highest level of integration and cost savings for Multiplexer/Concentrator applications with on chip CDR's
• Provides multiplexing/concentration between OC-48/ STM-16 interfaces and 4xOC-12/16xOC-3 interfaces
• Provides 4 serial OC-12/STM-4 interfaces with integrated CDR, compatible with industry standard optical modules
• Provides 16 serial OC-3/STM-1 interfaces with integrated CDR, compatible with industry standard optical modules
• Provides 1+1 protected 4-bit parallel 2.488 Gbits/sec OC-48/STM-16 interface, compatible with industry standard CDR/transceivers
• Supports the mappings for any standard combination  of STS-48c/AU4-16c, STS-12c/AU-4c or STS- 3c/AU4 or STS-1/AU3
• Supports both SONET and SDH on all interfaces
• SONET/SDH is programmable per interface
• Provides pointer processing to accommodate timing offsets between optical interfaces
• Terminates Section Overhead, Line Overhead on OC-48/STM-16, 4xOC-12, 16xOC-3 interfaces
• Provides options to terminate and/or monitor STSPath Overhead
• 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 OC-48 and OC-12/OC-3 interfaces
• Supports Tandem Path Monitoring for Network Failure sectionalization as required by ANSI T1.105

The XRT94L55 is a SONET/SDH OC-48/STM-16, 4xOC-12/STM-4, 16xOC-3/STM-1 Framer/Concentrator with integrated CDR's.