Allied Telesis AT-SB*81CFC960, Installation Manual

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SwitchBlade x8106 Chassis Switch and AT-SBx81CFC960 Card Installation Guide
Section I: Hardware Overview 31
AT-SBxFAN06 Module
The AT-SBxFAN06 Module, shown in Figure 8, is the cooling unit for the
chassis. It is a field- replaceable assembly that is factory installed and
shipped with the AT-SBx8106 Chassis.
The module is controlled by the AT-SBx81CFC960 Controller Fabric Card.
The fan speeds are automatically adjusted according to the internal
operating temperature of the switch. The fans are at their lowest speed
when the ambient temperature coming into the fan is approximately 20° C.
The fan speeds increase to provide additional cooling as the ambient
temperature rises.
Figure 8. AT-SBxFAN06 Module
Note
Only an authorized service technician should replace the fan
module.
LED
The POWER LED on the AT-SBxFAN06 Module is described in Table 4.
Table 4. AT-SBxFAN06 Module LED
LED State Description
Power
Solid Green The AT-SBxFAN06 Module is receiving
power.
OFF The AT-SBxFAN06 Module is not receiving
power or has failed.