Juniper EX4600, Hardware Manual, Page: 43 / 230

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Management Panel of an EX4600 Switch on page 9
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Field-Replaceable Units in an EX4600 Switch on page 6
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AC Power Specifications for an EX4600 Switch on page 79
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Connecting AC Power to an EX4600 Switch on page 147
DC Power Supply in an EX4600 Switch
The power supplies in EX4600 switches (see Figure 13 on page 25 ) are hot-removable
and hot-insertable field-replaceable units (FRUs) that you can install in EX4600 Switches
without powering off the device or disrupting the switching function. The DC power supply
is the same unit that is used in the Juniper Networks QFX5100 line of switches.
The DC power supply is 650 W with dual feeds for power resiliency.
Figure 13: DC Power Supply in EX4600 and QFX5100 Switches
3— 1— Ejector lever Terminal block
4— 2— Handle ESD grounding point
NOTE: The DC power supply in the switch has four terminals labeled V-, V-,
V+, and V+ (see Figure 14 on page 26 ) for connecting DC power source cables
labeled positive (+) and negative (–).
25 Copyright © 2014, Juniper Networks, Inc.
Chapter 5: Power Supply
* Optics, Fans and Power supply sold separately for EX4600-40F-S.