Table 8: Power Supply Distribution Pairings For A Qfx3008-I Interconnect - Juniper QFabric QFX3000-G Hardware Documentation

QFX3000-G QFabric System Hardware Documentation
Table 8: Power Supply Distribution Pairings for a QFX3008-I Interconnect Device
Power Supplies
Power supply slots and
0 5
Power supply slots and
1 4
Power supply slots and
2 3
Related
Documentation
Wiring Tray in a QFX3008-I Interconnect Device
58
the three power supplies in slots
the power supplies in slots
power redundancy terminology, the two sets of three power supplies provide 2N
redundancy for the QFX3008-I Interconnect device, where N is the number of power
supplies.
Because each power supply provides power to a subset of components, a second power
supply that provides power to the same components must be installed for redundancy.
For example, during normal operation the power supplies in slot
power to the same components on a load-sharing basis. If the power supply in slot
the power supply in slot
4
Table 8 on page 58 lists the pairs of power supplies and the components they power in
a QFX3008-I Interconnect device.
Components Powered
Front card slots
Rear card slots
Control Board slot
Top front fan tray and side fan trays
Front card slots
Rear card slots
Control Board slot
Bottom front fan tray and side fan trays
Front card slots
AC Power Specifications for a QFX3008-I Interconnect Device with Single-Phase
Wiring Trays on page 281
AC Power Supply LEDs on a QFX3008-I Interconnect Device on page 734
Power Requirements for a QFX3008-I Interconnect Device on page 283
Installing an AC Power Supply in a QFX3008-I Interconnect Device on page 607
Removing an AC Power Supply from a QFX3008-I Interconnect Device on page 605
Installing a Wiring Tray in a QFX3008-I Interconnect Device on page 610
Removing a Wiring Tray from a QFX3008-I Interconnect Device on page 608
The wiring tray in a QFX3008-I Interconnect device is a hot-insertable and hot-removable
field-replaceable unit (FRU).
through provide power for the entire system. Likewise,
0 2
through also provide power to the entire system. In standard
3 5
can provide full power to the components indefinitely.
–
6 7
–
0 3
1
–
0 1
–
4 7
0
–
2 5
and slot provide
1 4
0 – 3
4 – 7
Copyright © 2018, Juniper Networks, Inc.
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