PM7340-PI datasheet(8/334 Pages) PMC

8 / 334 page

PRELIMINARY

INVERSE MULTIPLEXING OVER ATM

PM7340 S/UNI-IMA-8

DATA SHEET

PMC-2001723

ISSUE 3

INVERSE MULTIPLEXING OVER ATM

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

viii

LIST OF FIGURES

FIGURE 1 - MULTI-SERVICE ACCESS – IADS AND ACCESS

CONCENTRATORS. ......................................................................... 10

FIGURE 2 -S/UNI-IMA-8 IN A REMOTE DSLAM WAN UPLINK APPLICATION.11

FIGURE 3 - S/UNI-IMA-8 BLOCK DIAGRAM.................................................. 12

FIGURE 4 - S/UNI-IMA PRELIMINARY PINOUT (BOTTOM VIEW) ............... 15

FIGURE 5 - 16-BIT TRANSMIT CELL TRANSFER FORMAT ......................... 43

FIGURE 6 - 8-BIT TRANSMIT CELL TRANSFER FORMAT ........................... 44

FIGURE 7 - 16-BIT RECEIVE CELL TRANSFER FORMAT ........................... 47

FIGURE 8 - 8-BIT RECEIVE CELL TRANSFER FORMAT ............................. 48

FIGURE 9 - INVERSE MULTIPLEXING .......................................................... 51

FIGURE 10- IFSM STATE MACHINE .............................................................. 58

FIGURE 11 - STUFF EVENT WITH ERRORED ICP (ADVANCED INDICATION)

FIGURE 12- INVALID STUFF SEQUENCE (ADVANCED INDICATION) ......... 60

FIGURE 13- ERRORED/INVALID ICP CELLS IN PROXIMITY TO A STUFF

EVENT............................................................................................... 61

FIGURE 14- SNAPSHOT OF DCB BUFFERS................................................. 62

FIGURE 15- SNAPSHOT OF DCB BUFFERS AFTER ADDITION OF LINK WITH

SMALLER TRANSPORT DELAY....................................................... 63

FIGURE 16- SNAPSHOT OF DCB BUFFERS WHEN TRYING TO ADD LINK

WITH LARGER TRANSPORT DELAY............................................... 64

FIGURE 17- SNAPSHOT OF DCB BUFFERS AFTER DELAY ADJUSTMENT 65

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