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| PMC-Sierra,Inc. PM5312 STTX SONET/SDH Transport Overhead Terminating Transceiver FEATURES * Monolithic, SONET/SDH Transport Overhead Terminating Transceiver for use in STS-1, STS-3 (STM-1), or STS-12 (STM-4) applications. * Operates in STS-1 bit-serial mode, STS-1 byte-serial mode, STS-3/STM-1 byte-serial mode, or STS-12/ATM-4 byte-serial mode. * Compatible with PM5355 S/UNI-622 physical layer interface, PM5344 SPTX SONET/SDH Path Terminating Transceiver, and with commercially available 622 Mbit/s serial-to-parallel conversion devices. * Performs byte-interleaved multiplexing of lower-rate, drop-side, SONET/SDH data streams. * Optionally inserts the framing bytes (A1 and A2) and the STS identification bytes (C1) in to the transmit stream. * Performs frame synchronous descrambling and scrambling. * Compares the bit-interleaved parity error detection codes (B1 and B2) for the receive stream. Inserts B1 and B2 in the transmit stream. * Inserts line Far-End Block Errors (FEBEs) into the Z2 growth byte based on received B2 errors. * Accumulates near-end errors (B1 and B2) and far-end errors (Z2). * Extracts and inserts the order wire channels (E1 and E2). * Extracts and inserts the data communications channels (D1-D3 and D4-D12). * Extracts and inserts the section user channel (F1). * Extracts and inserts the Automatic Protection Switch (APS) channel (K1 and K2). The receive APS bytes are also filtered and extracted into internal registers. * Detects Loss Of Signal (LOS), Out Of Frame (OOF), Loss Of Frame (LOF), Far-End Receive Failure (FERF), line Alarm Indication Signal (AIS), and protection switching byte failure alarms. * Inserts FERF and AIS in the transmit stream. * Provides LOS insertion, framing pattern error insertion, and coding violation insertion (B1 and B2) for diagnostic purposes. B1 and B2 error can also be generated "on-the-fly" using an error insertion mask. * Provides a transmit and receive ring control port, allowing alarm and maintenance signal control and status to be passed between mate STTXs for applications in ring-based add/drop multiplexers. * Low power, +5 V, CMOS technology. Device has TTL/CMOS-compatible inputs and outputs. * Available in a high performance 208pin copper slugged (28 by 28 mm) Plastic Quad Flat Pack (PQFP) package. APPLICATIONS OC-N to OC-M Multiplexers SONET/SDH Add/Drop Multiplexers SONET/SDH Terminal Multiplexers ATM Transmission Systems Broadband ISDN User Network Interfaces (UNIs) * SONET/SDH Test Equipment * * * * * BLOCK DIAGRAM RLAIS/TRCPCLK TLAIS/TRCPDAT TFERF/TRCPFP Line Side System Side SCPO[5:0] TTOH[4:1] TTOHFP TTOHCLK TTOHEN TOWCLK SCPi[3:0] TSDCLK TSOW TSUC GTICLK TSD TCLK Status Control Port Transmit Ring Control Port TOFP TOUT[7:0] TSOUT TSICLK RICLK RIFP RIN[7:0] RSIN RSICLK TDIS TIFP Transmit Section (Regenerator Section) O/H Processor Par/Ser Transmit Line (Multiplexer Section) O/H Processor Byte Interleaved Multiplex Transmit O/H Access TICLK TIN4[7:0] TIN3[7:0] TIN2[7:0] TIN1[7:0] ROFP ROCLK Receive Section (Regenerator Section) O/H Processor Ser/Par Receive Ring Control Port Receive Line (Multiplexer Section) O/H Processor Byte Interleaved Demultiplex ROUT4[7:0] ROUT3[7:0] ROUT2[7:0] ROUT1[7:0] Microprocessor Interface Receive O/H Access D[7:0] A[4:0] A[5]/SCSB ALE CSB/LCSB WRB RDB RSTB INTB/LINTB SINTB SLIM RTOHFP LAIS/RRCPDAT ERF/RRCPCLK LOS/RRCPFP RAPSCLK PMC-931128 (R6) 1998 PMC-Sierra, Inc. September, 1998 RTOHCLK RTOH[4:1] RLDCLK RLOW RLD B2E RSDCLK RSD RSUC ROWCLK RSOW RAPS LOF OOF B1E PM5312 STTX SONET/SDH Transport Overhead Terminating Transceiver TYPICAL APPLICATIONS 622 Mbit/s STS-12/STM-4 ASYNCHRONOUS TRANSFER MODE MULTIPLEXER STS-3c (STM-1) ATM Termination** STS-3c (STM-1) To STS-12 (STM-4) Mux 622 Mbit/s Front End * Optical Facility Clock Synthesis PM5355 S/UNI-622 ATM Switch Core E/O OOF TOUT[7:0] Parallel to/ from Serial Conversion TCLK RICLK RIFP RIN[7:0] PM5312 STTX SONET/SDH Transport Overhead Terminating Transceiver PM5355 S/UNI-622 PM5355 S/UNI-622 O/E Clock Recovery PM5355 S/UNI-622 * Contact PMC-Sierra Applications regarding 622 ** S/UNI-622 operating in STS-3c mode. Mbit/s front-end alternatives. 622 Mbit/s STS-12/STM-4 ADD-DROP MULTIPLEXER AGGREGATE INTERFACE STS-3c (STM-1) Path Termination STS-3c (STM-1) To STS-12 (STM-4) Mux 622 Mbit/s Front End * Optical Facility Clock Synthesis PM5344 SPTX Add-Drop Mux Backplane E/O OOF TOUT[7:0] Parallel to/ from Serial Conversion TCLK RICLK RIFP RIN[7:0] PM5312 STTX SONET/SDH Transport Overhead Terminating Transceiver PM5344 SPTX PM5344 SPTX O/E Clock Recovery PM5344 SPTX * Contact PMC-Sierra Applications regarding 622 Mbit/s front-end alternatives. Head Office: PMC-Sierra, Inc. #105 - 8555 Baxter Place Burnaby, B.C. V5A 4V7 Canada Tel: 604.415.6000 Fax: 604.415.6200 To order documentation, send email to: document@pmc-sierra.com or contact the head office, Attn: Document Coordinator All product documentation is available on our web site at: http://www.pmc-sierra.com For corporate information, send email to: info@pmc-sierra.com PMC-931128 (R6) 1998 PMC-Sierra, Inc. September, 1998 S/UNI-622 is a trademark of PMC-Sierra, Inc. |
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