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DS33M30 Datasheet(PDF) 10 Page - Maxim Integrated Products |
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DS33M30 Datasheet(HTML) 10 Page - Maxim Integrated Products |
10 / 20 page ___________________________________________________ DS33M30/M31/M33 ABRIDGED DATA SHEET Rev: 101508 10 of 20 1.3.7.2 STS-1/AU-3/TU-3 Pointer Interpreter • Per STS-1/AU-3/TU-3 tributary pointer interpretation using the outbound Drop STS-3/STM-1 clock • Pointer interpretation per Telcordia GR-253-CORE and ITU G.707 specifications • Extraction of STS-1, AU-3, or TU-3 pointer bytes (H1, H2, and H3) • Detection of defects including, LOP and “all-ones” pointer (AIS-P) • Detection and accumulation of incoming pointer increments, decrements, changes, and new pointers 1.3.8 STS-1/VC-3 Path Termination (DS33M31 and DS33M33 only) 1.3.8.1 STS-1/VC-3 Path Overhead Generation • Generation of all POH bytes including Path trace ID (J1), Path BIP-8 (B3), Path signal label (C2), Path status (G1), Path user byte (F2), Path concatenation indicator (H4), and Path growth (Z3, Z4, and Z5) • All POH bytes can be inserted from either the associated inbound Add STS-1/VC-3 POH input port or software accessible internal registers • Automatic or manual generation of PTE alarm defects including RDI-P and ERDI-P • Programmable error insertion of B3 and REI errors • Insertion of HDLC data stream into path user byte (F2) • Insertion of path trace ID into path trace byte (J1) 1.3.8.2 STS-1/VC-3 Path Overhead Reception and Monitoring • Termination of all POH bytes (per PTE requirement) including Path trace ID (J1), Path BIP-8 (B3), path signal label (C2), Path status (G1), Path user byte (F2), path concatenation indicator (H4), and Path growth (Z3, Z4, and Z5) • All POH bytes presented on the associated STS-1 SPE/VC-3 POH output port and software accessible internal registers • Detection of PTE defects: PLM-P, PLU-P, UNEQ-P, PDI-P, RDI-P, and Enhanced RDI-P (ERDI-P) • Detection and accumulation of path B3 and path REI errors (part of G1) on a bit or block basis • Two POH B3 bit error rate (BER) measurement circuits with separate software programmable detection and clearing thresholds • Extraction of HDLC data stream from path user byte (F2) • Extraction of path trace ID from path trace byte (J1) 1.3.8.3 STS-1/VC-3 Synchronizer • Synchronization of STS-1 SPE/VC-3 to accommodate asynchronous payload through pointer justifications • Accommodation of frequency offsets up to +100ppm between the SONET/SDH Telecom Bus reference frequency of 77.76MHz and the line/tributary STS-1 frequency 51.84MHz • Elastic store overflow and underflow conditions • Selectable lock and fast lock modes of operation • Programmable frequency out of range indication ( ±5, ±10, ±20, or ±40ppm). • SONET mapping jitter conforming to GR-253 and GR-499 and SDH mapping jitter compliant to ITU G.825e and O.172e 1.3.8.4 STS-1 SPE Payload Mapping • Each STS-1 SPE can be mapped with Asynchronous DS3/E3 or Ethernet traffic. These two mapping modes are mutually exclusive. 1.3.8.5 STS-1 SPE Ethernet Mapping/Demapping • Mapping of Ethernet packets into STS-1 SPE 1.3.8.6 Async DS3/E3 Demapper/Desynchronizer • Extraction of DS3/E3 data stream from an STS-1 SPE compliant to Telcordia GR-253 or VC-3 compliant to ITU G.707 • Generation of a nominal rate E3 (34.368MHz) or DS3 (44.736MHz) • Standard SONET STS-1 demapping for a DS3/E3 conforming with Telcordia GR-253 and GR-499 • Standard SDH VC-3 demapping for a DS3/E3 conforming to ITU-T G.707, G.825e, and O.172e • All combinations of DS3 or E3 demapping configuration from STS-1, AU-3, or TU-3/AU-4 are possible • Software configuration for SONET/SDH demapping on a per tributary basis |
Similar Part No. - DS33M30 |
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Similar Description - DS33M30 |
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