Figure 35: QFX3500 Device Front
FX3500-48S4Q
CO
C1
Management
board
Fan
tray
Fan
tray
Power
supply
Power
supply
Mounting
bracket
Mounting
bracket
g050000
ESD point/
serial number
ID label
Related
Documentation
Field-Replaceable Units in a QFX3500 Device on page 63•
• Rear Panel of a QFX3500 Device on page 66
• USB Port Specifications for the QFX Series on page 105
• Management Board for a QFX3500 Device on page 71
• Chassis Status LEDs on a QFX3500 Device on page 397
• Cooling System and Airflow for a QFX3500 Device on page 68
• AC Power Supply for a QFX3500 Device on page 73
• Prevention of Electrostatic Discharge Damage on page 192
• Installing and Removing QFX3500 Device Hardware Components on page 361
Rear Panel of a QFX3500 Device
The rear panel of the QFX3500 device consists of the following components:
•
Access ports—The QFX3500 device has 48 access ports (0 through 47) that support
small form-factor pluggable plus (SFP+) and small form-factor pluggable (SFP)
transceivers,as well as SFP+ direct attach copper cables, also known asTwinax cables.
See “Interface Specifications for SFP+ Transceivers for QFX3500 Device Access Ports”
on page 108 and “Interface Specifications for SFP+ DAC Cables for QFX3500 Device
Access Ports” on page 117.
•
Up to 48 of the access ports can be used for SFP+ transceivers or SFP+ direct attach
copper cables. You can use 10-Gigabit Ethernet SFP+ transceivers and SFP+ direct
attach copper cables in any access port. You can use 2-Gbps, 4-Gbps, or 8-Gbps
Fibre Channel SFP+ transceivers in ports 0 through 5 and ports 42 through 47.
Copyright © 2012, Juniper Networks, Inc.66
QFX3000 Hardware Documentation
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