S/UNI-IMA-4 Telecom Standard Product Data Sheet
Released
List of Figures
Figure 1 Multiservice Access – IADs and Access Concentrators ............................................. 23
Figure 2 Remote DSLAM WAN Uplink...................................................................................... 24
Figure 3 3G Wireless Base Station Controller with IMA WAN PHY Line Card......................... 25
Figure 4 S/UNI-IMA-4 Block Diagram ....................................................................................... 26
Figure 5 S/UNI-IMA Pinout (Bottom View) ................................................................................ 29
Figure 6 16-bit Transmit Cell Transfer Format.......................................................................... 46
Figure 7 8-bit Transmit Cell Transfer Format............................................................................ 47
Figure 8 16-bit Receive Cell Transfer Format........................................................................... 49
Figure 9 8-bit Receive Cell Transfer Format............................................................................. 50
Figure 10 Inverse Multiplexing .................................................................................................. 52
Figure 11 Max Differential Delay Tolerance.............................................................................. 57
Figure 12 IFSM State Machine.................................................................................................. 58
Figure 13 Stuff Event with Errored ICP (Advanced Indication) ................................................. 60
Figure 14 Invalid Stuff Sequence (Advanced Indication) .......................................................... 60
Figure 15 Errored/Invalid ICP Cells in Proximity to a Stuff Event ............................................. 61
Figure 16 Snapshot of DCB Buffers.......................................................................................... 62
Figure 17 Snapshot of DCB Buffers after addition of Link with smaller
transport delay ...................................................................................................................... 63
Figure 18 Snapshot of DCB Buffers when trying to add Link with larger
transport delay ...................................................................................................................... 64
Figure 19 Snapshot of DCB Buffers after delay adjustment ..................................................... 64
Figure 20 Snapshot of DCB Buffers after deletion of links from group ..................................... 65
Figure 21 IMA Error/Maintenance State Diagram..................................................................... 66
Figure 22 Link Statistics Flow Diagram..................................................................................... 69
Figure 23 Group Statistics Flow Diagram.................................................................................. 70
Figure 24 Cell Storage Map ...................................................................................................... 79
Figure 25 16 Mbit SDRAM ........................................................................................................ 80
Figure 26 Cell delineation State Diagram.................................................................................. 82
Figure 27 Boundary Scan Architecture ..................................................................................... 86
Figure 28 TAP Controller Finite State Machine......................................................................... 88
Figure 29 Burst RAM Format .................................................................................................. 120
Figure 30 Input Observation Cell (IN_CELL) .......................................................................... 265
Figure 31 Output Cell (OUT_CELL) ........................................................................................ 266
Figure 32 Bi-directional Cell (IO_CELL).................................................................................. 266
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2020889, Issue 2
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