Juniper QFX Series Hardware Guide

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AC power supply—The serial number ID label is on the top of the AC power supply. See
Figure 44 on page 134 for an example of where to find the serial number ID.
Figure 44: Location of the AC Power Supply Serial Number ID Label on a QFX5110
1— AC power supply serial number
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Fan module—The serial number ID label is on the bottom of the fan bezel. See
Figure 45 on page 134 for an example of where to find the serial number ID.
Figure 45: Location of the Fan Module Serial Number ID Label on a QFX5110-48S
1— Fan module serial number
Returning a Hardware Component to Juniper Networks, Inc.
In the eventof a hardware failure, please contact Juniper Networks, Inc. to obtain a Return
Material Authorization (RMA) number. This number is used to track the returned material
at the factory and to return repaired or new components to the customer as needed.
NOTE: Do not return any component to Juniper Networks, Inc. unless you
have first obtained an RMA number. Juniper Networks, Inc. reserves the right
torefuse shipments that do not have an RMA. Refused shipments are returned
to the customer by collect freight.
Copyright © 2019, Juniper Networks, Inc.134
QFX5110 Switch Hardware Guide

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)