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Replacing the Fan Module
Calix E7-2 fan modules are hot-swappable, so you can remove and install the fan module
while the system remains powered.
Calix offers two fan module types—FTA and FTA2 (as indicated on the fan module
faceplate). FTA supports two fan speeds. FTA2 supports four fan speeds with E7 release 2.2
or higher; in releases prior to 2.2, FTA2 supports two fan speeds.
Note: Do not leave a powered E7-2 operating for more than a few minutes without a fan
module installed, to avoid overheating the system.
Use the following procedure to replace a damaged or failed fan module. Return the faulty
unit to Calix.
To replace the fan module
1. Remove the fan module from the E7-2 housing as follows:
a. Firmly grasp the fan module latch and slide it to the left, and then pull forward to
unseat the module.
b. Pull the fan module forward to remove it from the E7-2 chassis.
2. Insert a new fan module into the vacant slot.
3. Push the fan module back into the slot until the latch clicks into place, completely seating
the module.
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