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I/O cooling
modules
installed
9012FC I/O
cooling module
(Mixed
installation) or
One 9012FC I/O
cooling module
No I/O cooling
modules or
One 9012FCHS
I/O cooling
module
9012FCHS I/O cooling module
Avaya supports the high-speed 9012FCHS Input/Output (I/O) cooling module for the Avaya Virtual
Services Platform 9012 chassis to support the high-density 10 Gigabit Ethernet, as well as the 40
Gigabit Ethernet, I/O modules.
The high-speed cooling module is available as a field replaceable unit (FRU), (EC1411004–E6).
Virtual Services Platform 9012 uses the 9012FCHS in the front I/O cooling module slots to provide
cooling for the I/O modules and the Control Processor (CP) modules. Each 9012FCHS cooling
module includes eight fans, and provides side-to-side cooling.
The minimum software revision that supports the 9012FCHS is Release 3.4.2.2.
Second generation I/O modules require two 9012FCHS I/O cooling modules.
The software does not support a mixed configuration of the 9012FC and 9012FCHS cooling
modules in the same chassis.
Important:
• The 9012FCHS I/O cooling module enables the Virtual Services Platform 9012 to operate
at a higher ambient temperature than if you use the 9012FC I/O cooling module. The
software monitors the internal temperature of the I/O modules and the chassis, and
regulates the fan speed. If the internal I/O module temperature begins to rise, as the
ambient temperature increases, the fan speed increases accordingly to try to maintain the
I/O module temperature. This means that when you use the 9012FCHS cooling modules
the actual temperature of the I/O module will not appear lower than if you use the 9012FC,
but the Virtual Services Platform 9012 chassis can run at a higher ambient temperature.
• You must use the 9012FCHS cooling module if you install and configure second
generation modules; otherwise, the second generation modules remain offline until you
install the 9012FCHS cooling modules.
March 2015
First generation I/O modules expected
behavior
thermal sensors are greater than the
temperature threshold. Avaya provides this
mode to permit a time window for you to
install or swap I/O cooling modules.
First generation I/O modules run as
expected and only shut down if their
thermal sensors exceed the temperature
threshold. Avaya provides this mode to
permit a time window for you to install or
swap I/O cooling modules.
Comments? infodev@avaya.com
Virtual Services Platform 9012
Second generation I/O modules
expected behavior
Second generation I/O modules run as
expected and only shut down if their
thermal sensors exceed the temperature
threshold. Avaya provides this mode to
permit a time window for you to install or
swap I/O cooling modules.
Installing Cooling Modules in Avaya VSP 9000
23
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