Dell PowerConnect B-RX16 Installation Guide - Page 30

Cooling system, BigIron RX-8 chassis.

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1 Hardware features Each power supply has three LEDs on its faceplate that provide status for the input power, output power and notification of alarms sent. If the input power and output power LEDs are on (a steady green), the power supply is providing power to the chassis components. The power supplies are hot swappable, which means you can remove and replace them without powering down the system. DANGER The power supplies are hot swappable, which means they can be removed and replaced while the BigIron RX Series chassis is powered on and running. However, Brocade recommends that you disconnect a power supply from its power source before removing and replacing it. The BigIron RX-4, -8, or -16 chassis can be running while a power supply is being removed and replaced, but the power supply itself should not be connected to a power source. Otherwise, you could be injured or the power supply or other parts of the device could be damaged. (In the BigIron RX-32 chassis, you cannot unlatch and remove a power supply without first releasing the cord retainer and removing the power cord.) Cooling system The cooling system of BigIron RX Series switches is configured as described: • BigIron RX-4: Is equipped with a fan module containing two 4-speed fans. • BigIron RX-8: Is equipped with a fan module containing four 4-speed fans. • BigIron RX-16: Is equipped with three fan assemblies. The fan tray located in the lower front of the chassis contains six 4-speed fans. There are two fan assemblies located in the rear of the chassis. Each of these contain a 4-speed fan that pulls air through the chassis. The BigIron RX-16 is equipped with eight controllers to support redundancy. • BigIron RX-32: Is equipped with ten fan assemblies in the rear of the chassis. Each of these contain a 4-speed fan that pulls air through the chassis. The bottom fan tray has two fans each for cooling the power supplies. As shown in Figure 12 and Figure 13, the fans are located in the front of the BigIron RX-4 and BigIron RX-8 chassis. Figure 14 and Figure 15 show the front and rear locations of the fans on the BigIron RX-16. Figure 16 shows the locations of all 10 fans at the rear of the BigIron RX-32 chassis. NOTE A new revision of the controller for the fan tray assemblies has been added for software release 02.2.01 and later. There is no visible change to the fan assemblies or the procedures for replacing the assemblies. Earlier software versions will not recognize the new controller. 18 BigIron RX Installation Guide 53-1001811-01

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18
BigIron RX Installation Guide
53-1001811-01
Hardware features
1
Each power supply has three LEDs on its faceplate that provide status for the input power, output
power and notification of alarms sent. If the input power and output power LEDs are on (a steady
green), the power supply is providing power to the chassis components. The power supplies are hot
swappable, which means you can remove and replace them without powering down the system.
DANGER
The power supplies are hot swappable, which means they can be removed and replaced while
the BigIron RX Series chassis is powered on and running. However, Brocade recommends that
you disconnect a power supply from its power source before removing and replacing it. The
BigIron RX-4, -8, or -16 chassis can be running while a power supply is being removed and
replaced, but the power supply itself should not be connected to a power source. Otherwise, you
could be injured or the power supply or other parts of the device could be damaged. (In the
BigIron RX-32 chassis, you cannot unlatch and remove a power supply without first releasing the
cord retainer and removing the power cord.)
Cooling system
The cooling system of BigIron RX Series switches is configured as described:
•
BigIron RX
-4
: Is equipped with a fan module containing two 4-speed fans.
•
BigIron RX
-8
: Is equipped with a fan module containing four 4-speed fans.
•
BigIron RX
-16
: Is equipped with three fan assemblies. The fan tray located in the lower front of
the chassis contains six 4-speed fans. There are two fan assemblies located in the rear of the
chassis. Each of these contain a 4-speed fan that pulls air through the chassis. The BigIron
RX-16 is equipped with eight controllers to support redundancy.
•
BigIron RX
-32
: Is equipped with ten fan assemblies in the rear of the chassis. Each of these
contain a 4-speed fan that pulls air through the chassis. The bottom fan tray has two fans each
for cooling the power supplies.
As shown in
Figure 12
and
Figure 13
, the fans are located in the front of the BigIron RX-4 and
BigIron RX-8 chassis.
Figure 14
and
Figure 15
show the front and rear locations of the fans on the
BigIron RX-16.
Figure 16
shows the locations of all 10 fans at the rear of the BigIron RX-32 chassis.
NOTE
A new revision of the controller for the fan tray assemblies has been added for software release
02.2.01 and later. There is no visible change to the fan assemblies or the procedures for replacing
the assemblies. Earlier software versions will not recognize the new controller.