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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 T1.105
HIGH SPEED INTERFACE
APPLICATIONS
• DWDM Multiplexer/Demultiplexers • Add Drop Multiplexers • Optical/Digital Cross-Connects • Router and Switch Line Cards
FEATURES
• Provides the highest level of integration and cost savings for Multiplexer/Concentrator applications with on chip CDR's • 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
• 1+1 Protected OC-48/STM-16, 4-bit parallel LVDS compliant with TFI-5 Protocol
LOW SPEED INTERFACES
• 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 XRT94L55IV PACKAGE 780 BGA OPERATING TEMPERATURE RANGE -40°C to +85°C
Preliminary
XRT94L55
P1.0.0
SON.