74
NOTE:
When replacing a transceiver module, make sure the two transceiver modules connected by the
same optical fiber have the same wavelength.
Replacing a fan tray
CAUTION:
•
The router supports automatic fan speed adjustment and hot-swapping of the fan tray.
•
Keep your hands away from the spinning fan blades when removing the fan tray.
To replace a fan tray:
1.
Loosen the captive screws of the fan tray until all spring pressure is released.
2.
Gently pull the fan tray out of the slot along the slide rails.
Figure 83 Pulling out the fan tray
3.
Install a new fan tray. For more information, see "
NOTE:
•
Do not keep the router working without a fan tray for more than two minutes because poor
ventilation might cause damage to the router.
•
To protect the removed fan tray, place it in an antistatic bag.
•
For more information about the LED status on the fan tray, see "
."
Replacing an air filter
CAUTION:
You can clean the air filter with water, but wait until it is completely dry before installing it again.
An air filter is an optional accessory.
To replace an air filter:
1.
Loosen the captive screws of the air filter until all spring pressure is released.