PM7375-SC datasheet(4/430 Pages) PMC

4 / 430 page

PM7375 LASAR-155

DATA SHEET

PMC-931127

ISSUE 6

LOCAL ATM SAR & PHYSICAL LAYER

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

9.2.3

RECEIVE PATH OVERHEAD PROCESSOR ....................................................45

9.3

RECEIVE ATM CELL PROCESSOR ...............................................................................45

9.3.1

CELL DELINEATION.........................................................................................45

9.3.2

CELL FILTER AND HEC VERIFICATION..........................................................46

9.3.3

GFC EXTRACTION...........................................................................................48

9.3.4

PAYLOAD DESCRAMBLING.............................................................................48

9.4

RECEIVE ATM AND ADAPTATION LAYER CELL PROCESSOR ...................................48

9.4.1

ATM LAYER PROCESSING ..............................................................................48

9.4.2

AAL LAYER PROCESSING ..............................................................................49

9.5

CONNECTION PARAMETER STORE ............................................................................50

9.6

SAR PERFORMANCE MONITOR...................................................................................50

9.7

TRANSMIT ATM TRAFFIC SHAPER ..............................................................................51

9.7.1

RATE QUEUE STRUCTURES ..........................................................................51

9.7.2

PEAK CELL RATE (PCR) AND SUSTAINABLE CELL RATE (SCR)

TRANSMISSION...............................................................................................52

9.7.3

CBRC SUPPORT..............................................................................................53

9.8

TRANSMIT ATM AND ADAPTATION LAYER CELL PROCESSOR.................................53

9.8.1

AAL LAYER PROCESSING ..............................................................................53

9.8.2

ATM LAYER PROCESSING ..............................................................................53

9.9

TRANSMIT ATM CELL PROCESSOR ............................................................................54

9.10

TRANSMIT TRANSMITTER AND OVERHEAD PROCESSOR.......................................55

9.10.1

TRANSMIT SECTION OVERHEAD PROCESSOR ..........................................55

9.10.2

TRANSMIT LINE OVERHEAD PROCESSOR ..................................................55

9.11

TRANSMIT PATH OVERHEAD PROCESSOR................................................................57

9.12

TRANSMIT LINE INTERFACE ........................................................................................58

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