Qfx3500 Overview - Juniper QFabric QFX3000-G Hardware Documentation

CHAPTER 6

QFX3500 Overview

QFX3500 Device Overview
Copyright © 2018, Juniper Networks, Inc.
QFX3500 Device Overview on page 115
Field-Replaceable Units in a QFX3500 Device on page 119
Understanding Redundancy of QFX3500 Device Components and
Functionality on page 120
Chassis Physical Specifications for a QFX3500 Chassis on page 121
Front Panel of a QFX3500 Device on page 122
Rear Panel of a QFX3500 Device on page 123
Cooling System and Airflow for a QFX3500 Device on page 124
Management Board for a QFX3500 Device on page 128
AC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device on page 130
DC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device on page 132
Grounding Cable and Lug Specifications for a QFX3500 Device on page 134
The Juniper Networks QFX3500 device is a high-speed, multipurpose switch especially
designed for next-generation data centers. The QFX3500 can be configured as a
standalone switch, a Node device in a QFabric system, or as a member of a QFX Virtual
Chassis.
Forty-eight 10-Gbps access ports in the device use small form-factor pluggable plus
(SFP+) transceivers and operate by default as 10-Gigabit Ethernet interfaces. Optionally,
you can choose to configure up to 12 of the ports as 2-Gbps, 4-Gbps, or 8-Gbps
Fibre Channel (FC) interfaces, and up to 36 of the ports as 1-Gigabit Ethernet interfaces.
When used as a standalone switch, four 40-Gbps uplink ports in the device use quad
small form-factor pluggable plus (QSFP+) to four SFP+ copper breakout cables to
support an additional 15 10-Gigabit Ethernet interfaces.
QFX3500 devices can function as a Fibre Channel over Ethernet (FCoE)-FC gateway or
as an FCoE transit switch. FCoE is a method of supporting converged FC and Ethernet
traffic on a data center bridging (DCB) network by encapsulating unmodified FC frames
in Ethernet to transport the FC frames over the physical Ethernet network.
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