Asis AdvancedTCA Class. Fan Tray Fan tray is a component responsible of supplying sufficient shelf cooling According to the Parameters send from the shelf manager either via direct Lines or Communication. Asis fan trays are designed according to the Picmg 3.X Specifications.
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Fan tray is a component responsible of supplying sufficient shelf cooling
According to the Parameters send from the shelf manager either via direct
Lines or Communication.
Asis fan trays are designed according to the Picmg 3.X Specifications.
It’s design enables Asis shelf to exceed the Atca cooling specifications
detailed in the Picmg Atca 3.x spec.
Asis uses state of the art Delta Fans for cooling the shelf, all the fans are
Controlled by the Shelf manager and have an integral Tachometers for
Closed loop monitoring.
cooling approaches :
The Picmg Atca 3.X Spec recommend
The cooling Approach front bottom to
Back top As shown in the picture
Cooling approach - Points to consider
front panel Blades cooling
Massive air flow
Angular fan placement limitation Design for balanced and aerodynamic air flow Adopt a system approach - Chassis and blades Control the air flow distribution per customer configuration.
Asis 2U-5U horizontal chassis have one vertical fan tray.
Asis 12U horizontal chassis have two vertical fan trays.
Asis 12U vertical has four fan trays.
The fan trays are designed with N+1 redundancy to meet the cooling
Requirements Of A full shelf, furthermore in the 14 slots vertical there are
four fan trays which Backup one etch other, incase of a signal fan fail all the
fans in the fan tray go to full Speed and incase of communication lose
between the shelf manager and on of the Fan trays the rest of the fan trays
will go to full speed to compensate.
In case of single fan failure, the remaining fans provide the required cooling
To Dissipate the heat generated by the occupied slots. It is recommended to
replace the Fan tray as soon as possible.
The fan tray is factory-mounted in the Shelf. It is easily replaceable, and
can be Replaced while the shelf is operating.
2 slots fan tray -
5 slots fan tray -
14 slots horizontal fan trays
Containing 9 axial fans each
14 slots vertical fan tray -
Containing 5 axial fans
Three of them horizontal and two vertical
For further information about the Fan trays ,
please refer to the relevant chassis User Manual
At www.asis-pro.com , please login at the
Partners zone in order to download the manual.