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XRT94L43 Datasheet(PDF) 4 Page - Exar Corporation |
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XRT94L43 Datasheet(HTML) 4 Page - Exar Corporation |
4 / 328 page XRT94L43 4 REV. 1.0.2 SONET/SDH OC-12 TO 12XDS3/E3 MAPPER PRODUCT FEATURES SONET TRANSMITTER • Generates and Transmits Standard STS-12/STM-4 data • Generates and Transmits either an STM-4/TUG-3 or STM-4/AU-3 signals for SDH applications • Conforms to ITU-T 1.432, ANSI T1.105 and Bellcore GR-253 Standards • Performs SONET frame insertion and accepts external frame synchronization • Performs Optional Transmit Data Scrambling • Permits the user to externally insert their own values for the POH and TOH into the outbound STS-12/STM-4 traffic • Generates transmit payload pointer (H1,H2) (fixed at 522) with NDF insertion • Inserts A1/A2 with optional error mask • Computes and inserts BIP-8 (B1,B2) with optional error mask • Generates and transmits REI-L and RDI-L either upon Software Command or automatically based upon errors and defects that are detected/declared by the SONET Receiver. • Permits the user to transmit the LOS pattern via Software Command. • Generates and transmits RDI-P and REI-P either upon Software Command or automatically based upon errors and defects that are detected/declared by the SONET Receiver. • Inserts the fixed-stuff columns, calculates and inserts the B3 byte value into each outbound STS-1 SPE/VC- 3 or STS-3c SPE/VC-4 SONET RECEIVER • Receives and processes standard STS-12/STM-4 signals • Receives and processes either an STM-4/TUG-3 or STM-4/AU-3 signal for SDH Applications • Permits the user to fully program the B2 Byte Error-rate thresholds for declaration and clearance of the SD and SF defect conditions • Provides section trace buffer with mismatch detection and invalid message detection • Performs SONET Frame Synchronization • Supports NDF, positive stuff and negative stuff for pointer processor • Performs receive data de-scrambling • Performs POH and TOH interpretation/extraction • Interprets payload pointer (H1,H2) • Extracts data communication channels from D1-D3 and D4-D12 • Declares and Clears the SEF (Severely Erred Frame), LOF (Loss of Frame) and LOS (Loss of Signal) defect conditions • Declares and clears the Line AIS (AIS-L) and the Line Remote Defect Indicator (RDI-L) defect conditions • Declares and Clears the Path - AIS (AIS-P), Loss of Pointer (LOP-P) and Path - Unequipped (UNEQ-P) defect conditions. • Supports either the Single-Bit or Extended form of RDI-P • Monitors the Path Signal Label and declares/clears the PLM-P defect condition |
Similar Part No. - XRT94L43_06 |
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Similar Description - XRT94L43_06 |
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