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PM5346 Datasheet(PDF) 5 Page - PMC-Sierra, Inc |
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PM5346 Datasheet(HTML) 5 Page - PMC-Sierra, Inc |
5 / 145 page STANDARD PRODUCT PMC-Sierra, Inc. PM5346 S/UNI-LITE ISSUE 6 SATURN USER NETWORK INTERFACE ______________________________________________________________________________________________ ______________________________________________________________________________________________ 2 • Counts received section BIP-8 (B1) errors, received line BIP-8/24 (B2) errors, line far end block errors (FEBE), received path BIP-8 (B3) errors and path far end block errors (FEBE). • Counts received HCS errored cells that are discarded, received HCS errored cells that are corrected and passed on, and the total received cells passed on. The transmitter section: • Provides a synchronous 8-bit wide, four cell FIFO buffer. • Provides idle/unassigned cell insertion, HCS generation/insertion, and ATM cell payload scrambling; Inserts ATM cells into the transmitted STS-3c (STM-1) or STS-1 synchronous payload envelope using H4 framing • Generates the transmit payload pointer (H1, H2) and inserts the path overhead; scrambles the transmitted STS-3c (STM-1) or STS-1 stream and inserts framing bytes (A1, A2) and the identity byte (C1). • Synthesizes the 155.52 MHz, 51.84 MHz transmit clock from a one-eighth frequency reference. • Provides a serial interface at 155.52 or 51.84 Mbit/s • Inserts path alarm indication signal (AIS), path remote defect indication (RDI), line alarm indication signal (AIS) and line RDI. • Inserts path BIP-8 codes (B3), path far end block error (FEBE) indications, line BIP-8/24 codes (B2), line far end block error (FEBE) indications, section BIP-8 codes (B1) to allow performance monitoring at the far end. • Allows forced insertion of all zeros data (after scrambling) or corruption of framing byte or section, line, or path BIP-8 codes for diagnostic purposes. |
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