PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 26

• Manufacturer Part Number: PM5381-BI
• Description: ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
• Manufacturer: PMC-Sierra, Inc.

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
List of Figures
Figure 1 STS-48 (STM-16-16c) ATM (UTOPIA Level 3) Switch Port Application .......... 40
Figure 2 STS-48 (STM-16-16c) Packet Over SONET (POS-PHY Level 3)
Figure 3 APS Connection Example – 1+1 Architecture.................................................. 43
Figure 4 Normal Operation ............................................................................................. 44
Figure 5 Loopback Modes .............................................................................................. 45
Figure 6 APS Working..................................................................................................... 46
Figure 7 APS Protect ...................................................................................................... 47
Figure 8 Typical STS-48c (STM-16c) Jitter Tolerance ................................................... 76
Figure 9 STS-48c (STM-16-16c) on RTOH .................................................................... 78
Figure 10 Pointer Interpretation State Diagram .............................................................. 81
Figure 11 Concatenation Pointer Interpretation State Diagram...................................... 84
Figure 12 Pointer Generation State Diagram ................................................................. 89
Figure 13 Cell Delineation State Diagram....................................................................... 91
Figure 14 PPP/HDLC Over SONET Frame Format........................................................ 92
Figure 15 CRC Decoder.................................................................................................. 93
Figure 16 Jitter transfer results ....................................................................................... 96
Figure 17 Jitter transfer for the low frequency region ..................................................... 97
Figure 18 STS-48c (STM-16-16c) On TTOH.................................................................. 98
Figure 19 CRC Generator ............................................................................................. 104
Figure 20 Input Observation Cell (IN_CELL) ................................................................ 508
Figure 21 Output Cell (OUT_CELL).............................................................................. 509
Figure 22 Bidirectional Cell (IO_CELL)......................................................................... 509
Figure 23 Layout of Output Enable and Bidirectional Cells .......................................... 510
Figure 24 Generic LVDS Link Block Diagram............................................................... 511
Figure 25 ATM Mapping................................................................................................ 519
Figure 26 Packet Over SONET Mapping...................................................................... 519
Figure 27 A 52 Byte ATM Data Structure ..................................................................... 523
Figure 28 A 63 Byte Packet Data Structure .................................................................. 524
Figure 29 TPAHOLD Set To 0 ...................................................................................... 529
Figure 30 TPAHOLD Set To 1 ...................................................................................... 532
Figure 31 Boundary Scan Architecture ......................................................................... 543
Figure 32 TAP Controller Finite State Machine ............................................................ 545
Figure 33 PECL Levels (100K Characteristics) ............................................................ 548
Router Application .......................................................................................... 41
S/UNI-2488 Telecom Standard Product Datasheet
Released
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