XRT94L55 Preliminary SONET/SDH OC-48/STM-16, 4XOC-12/STM-4, 16XOC-3/STM-1 FRAMER/CONCENTRATOR WITH INTEGRATED CDR’S REV. P1.0.0 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 APPLICATIONS • Supports 50 msecond APS by monitoring and filtering K1,K2 bytes as required by the standards • DWDM Multiplexer/Demultiplexers • Supports performance monitoring and alarms required by GR.253 and ANSI T1.105 • Provides 48x48 STS-1 cross-connect between OC48 and OC-12/OC-3 interfaces • Add Drop Multiplexers • Optical/Digital Cross-Connects • Router and Switch Line Cards • Supports Tandem Path Monitoring for Network Failure sectionalization as required by ANSI T1.105 FEATURES HIGH SPEED INTERFACE • Provides the highest level of integration and cost savings for Multiplexer/Concentrator applications with on chip CDR's • 1+1 Protected OC-48/STM-16, 4-bit parallel LVDS compliant with TFI-5 Protocol LOW SPEED INTERFACES • Provides multiplexing/concentration between OC48/ 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 STS3c/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 • SONET/SDH compliant 4xOC-12 interfaces with integrated CDR meet all the relevant jitter specifications; OC-12 interfaces are PECL and compatible with industry standard optical modules • SONET/SDH compliant 16xOC-3 Interfaces with integrated CDR meet all the relevant jitter specifications; OC-3 interfaces are PECL and compatible with industry standard optical modules APS INTERFACE • Provides bi-directional APS Interface for 1 + 1 and Ring Protection SECTION, LINE, STS-PATH OVERHEAD INTERFACE • Provides serial access to all Section, Line and STS Path Overhead data for OC-48, 4xOC-12 and 16xOC-3 interfaces • Provides serial access to DCC channels for directconnections to standard HDLC processors. MICROPROCESSOR INTERFACE • Supports standard 8-bit micro-controllers with Intel or Motorola style interfaces • Provides interrupts for alarm processing ORDERING INFORMATION PART NUMBER PACKAGE OPERATING TEMPERATURE RANGE XRT94L55IV 780 BGA -40°C to +85°C Preliminary XRT94L55 SONET/SDH OC-48/STM-16, 4XOC-12/STM-4, 16XOC-3/STM-1 FRAMER/ CONCENTRATOR WITH INTEGRATED CDR’S P1.0.0 XRT94L55 BLOCK DIAGRAM O C -48 Line O C -48 Line 4 4 STS -48 Section/ Line O verhead Processor + AP S Pointe r Process or 48 x STS -1 Path O verhead 48 x STS -1 Crossconn ect Pointe r Process or STS -12/STS -3 S ection/Line/Path O verhead Processor CDR / SE RDE S Pointe r Process or STS -3 S ection/Line/Path O verhead Processor CDR / SE RDE S Pointe r Process or STS -3 S ection/Line/Path O verhead Processor CDR / SE RDE S Pointe r Process or STS -3 S ection/Line/Path O verhead Processor CDR / SE RDE S O verhead Add/Drop Bus M icroprocessor Interface AP S Bus JTA G Test Port O C -12/O C -3 Line O C -3 Line O C -3 Line O C -3 Line