
Table of Contents
Preface................................................................................................................................2
1Safety..........................................................................................................................5
1.1 Safety Symbols used in this document.......................................................................... 5
1.2 General Safety Precautions........................................................................................... 5
1.3 References and Architecture Specifications.................................................................. 6
1.4 Terms and Acronyms .................................................................................................... 6
1.5 Hardware Platform.........................................................................................................7
2Shelf Front and Rear View........................................................................................8
3ATCA Backplane .......................................................................................................9
3.1 Logical to Physical Slot Mapping................................................................................... 9
3.2 Interfaces....................................................................................................................... 9
3.2.1 Fabric Interface................................................................................................9
3.2.2 Synchronization Clock Interface...................................................................... 9
3.2.3 Update Channel Interface................................................................................ 9
3.2.4 Intelligent Platform Management Interface...................................................... 9
3.2.5 Base Interface ............................................................................................... 10
3.3 Shelf FRU SEEPROM................................................................................................. 11
3.4 Logic Ground............................................................................................................... 11
4Air Filter....................................................................................................................12
4.1 Introduction...................................................................................................................... 12
5Shelf Ground Connection.......................................................................................13
5.1 Specification for the Shelf Ground connection cable....................................................... 13
6Fan Trays .................................................................................................................14
6.1 IPM Controller and Fan Control................................................................................... 15
6.2 Fan Tray Indicators...................................................................................................... 16
6.3 Fan Tray Signals ......................................................................................................... 17
6.4 Fan Tray Connector Pin Assignment........................................................................... 17
6.5 Fan Tray IPMB Addresses .......................................................................................... 18
6.6 Front Board Air Distribution......................................................................................... 18
6.7 Rear Board Air Distribution.......................................................................................... 19
7Power........................................................................................................................20
7.1 AC PEM.......................................................................................................................20
7.1.1 AC PEM Power Distribution........................................................................... 21
7.1.2 AC PEM Signals............................................................................................ 22
7.1.3 AC PEM Indicators ........................................................................................ 22
7.1.4 AC PEM Connector PIN Assignment............................................................. 23
7.2 DC PEM....................................................................................................................... 23
7.2.1 DC PEM Power Distribution........................................................................... 25