Uplink Modules In J-Ex4200 Switches - Dell PowerConnect J-EX4200 Hardware Manual

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Uplink Modules in J-EX4200 Switches

Figure 14: Airflow Through the J-EX4200 Switch Chassis
The fan tray used in a J-EX4200 switch comes with load-sharing redundancy that can
tolerate a single fan failure at room temperature (below 45° C/113° F) to still provide
sufficient cooling.
Temperature sensors in the chassis monitor the temperature within the chassis. The
system raises an alarm if the fan fails or if the temperature inside the chassis rises above
permitted levels. If the temperature inside the chassis rises above the threshold, the
system shuts down automatically and the temperature shutdown LED on the rear panel
is lit. You can see the status of fans and the temperature from the
option in the Status menu in the LCD panel.
Status
Field-Replaceable Units in J-EX4200 Switches on page 16
Rear Panel of a J-EX4200 Switch on page 7
Prevention of Electrostatic Discharge Damage on J-EX Series Switches on page 198
Installing a Fan Tray in a J-EX4200 Switch on page 107
Removing a Fan Tray from a J-EX4200 Switch on page 141
J-EX4200 switches support the following types of uplink modules:
SFP uplink module—Provides four ports for 1-gigabit small form-factor pluggable (SFP)
transceivers.
SFP+ uplink module—Provides two ports for 10-gigabit small form-factor pluggable
(SFP+) transceivers when configured to operate in 10-gigabit mode or four ports for
Chapter 2: Component Descriptions
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