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ExtremeSwitching 5320 Series Overview
There is one Micro-B USB console port located on the front panel. If the Micro-B USB
console port is connected, it is selected over the RJ45 serial console port. The Micro-B
USB console port disconnects when the switch is rebooted. You can re-connect the
port if needed. When the Micro-B USB console is active, any messages from the switch
to the client terminal are echoed to both the USB console and the RJ45 serial console
port; however, no user input is accepted from the RJ45 serial console port.
Note
Using a Micro-USB Type B to USB Type A cable, connect the Micro-USB Type B
end to the switch, and the USB Type A end to a laptop or PC and complete the
driver installation steps
There is also a Type A USB 2.0 port labeled USB on the front panel that can host
removable devices like flash drives.
Power Supplies
Most 5320 Series switches have one fixed AC power supply unit. The 5320-16P-4XE-
DC switch has one fixed DC power supply unit. Models 5320-24T-4X-XT and
5320-24T-24S-4XE-XT provide an option to add an external 150W redundant AC
power supply. For more information regarding the redundant power supply, see the
Redundant Power Supply Quick Reference .
Cooling
Switch cooling is provided by fixed fan modules that use airflow from side-to-side (left
to right). Switch fans are also responsible for cooling the power supplies; the power
supplies do not have integrated cooling fans that operate independently of the switch
fan.
Fan-off operation at temperatures up to 35⁰C is supported on 5320 16-port AC- and
DC-powered models. These models are perfect for classrooms, hospitality suites, retail
sites, or other noise sensitive environments outside of a wiring closet.
The external redundant power supply for models 5320-24T-4X-XT and
5320-24T-24S-4XE-XT has its own fan for cooling.
Stacking Ports
Each switch comes equipped with two stacking ports, also referred to as Universal
Ethernet ports. The stacking ports are labeled U1 and U2 and are located on the front
of the switch. When running Switch Engine, these ports can be used in either stacking
mode or Ethernet mode. When in stacking mode, up to eight systems can be stacked
using qualified direct attach cables or optical transceivers. The U1 and U2 ports operate
as stacking ports by default. Use the disable stacking-support command to set the
U1 and U2 ports in Ethernet mode. Fabric Engine does not support stacking, but the U1
and U2 ports can be used as Ethernet ports by Fabric Engine when Fabric Engine is in
ExtremeSwitching 5320 Series Hardware Installation Guide
Power Supplies
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