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Juniper QFX Series - Page 4

Juniper QFX Series
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AC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Fan Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Field-Replaceable Units in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . 23
Understanding Redundancy of QFX3100 Director Device Components and
Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
QFX3100 Director Device Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
QFX3100 Director Device Component Redundancy . . . . . . . . . . . . . . . . . . . . 25
Chassis Physical Specifications for a QFX3100 Director Device . . . . . . . . . . . . . . 25
Front Panel of a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Rear Panel of a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Cooling System and Airflow in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . 27
Network Modules in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . 28
HDD Modules in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Fan Modules in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
AC Power Supply in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Chapter 3 QFX3008-I Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
QFX3008-I Interconnect Device Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Chassis Physical Specifications, Front Panel Display, and Midplane . . . . . . . 34
16-Port QSFP+ Front Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Rear Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Supplies and Wiring Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Field-Replaceable Units in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . 38
Understanding Redundancy of QFX3008-I Interconnect Device Components
and Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Slot Numbering for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . 40
Chassis Physical Specifications for a QFX3008-I Interconnect Device . . . . . . . . . 41
Midplane in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Front Panel Display of the QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . 43
Cooling System and Airflow in a QFX3008-I Interconnect Device . . . . . . . . . . . . 44
16-Port QSFP+ Front Cards in a QFX3008-I Interconnect Device . . . . . . . . . . . . . 48
Control Board in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . 49
Rear Cards in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
AC Power Supply in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . 52
Wiring Tray in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Grounding Cable and Lug Specifications for a QFX3008-I Interconnect
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Copyright © 2012, Juniper Networks, Inc.iv
QFX3000 Hardware Documentation

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