Allied Telesis AT-SBX31GP24 User Manual

Page of 104
SwitchBlade x3112 Installation Guide
79
Replacing the AT-SBx31FAN Tray
The AT-SBx31FAN Tray can only be replaced in the vertical chassis slot 
located on the right side of the AT-SBx3112 Chassis. 
Note
Before replacing the fan, it is recommended that you disable the AT-
SBx31FAN Tray in the Switchblade x3112 Management Software 
This will stop the fan alarms from being sent to network 
administrators during the replacement period.
Perform the following procedure to replace the AT-SBx31FAN Tray:
Caution
The AT-SBx31FAN Tray contains active electronic devices, which 
can be damaged by electro-static discharges (ESD). Follow the 
procedure given in “Protection Against Electrostatic Discharge 
(ESD)” on page 60 
to guard against ESD damage when unpacking 
and installing this line card.
1. Remove the AT-SBx31FAN Tray from the shipping package.If this item 
is missing or damaged, contact your Allied Telesis sales 
representative for assistance.
Note
Store the packaging material in a safe location. You may use the 
original shipping material if you need to return the unit to Allied 
Telesis
2. Insert the AT-SBx31FAN Tray into the vertical slot on the right side of 
the chassis into the slot as displayed in Figure 54 until it is firmly 
seated against the front mounting rails of the chassis.