3-2
Replacing the fan tray
WARNING!
•
To avoid bodily injury, do not touch the fan tray when it is operating.
•
The fan tray is hot swappable. Ensure electricity safety when you hot swap the fan tray.
CAUTION:
To prevent dust from entering the router, keep the old fan tray installed in the chassis until a new
fan tray is ready to be installed.
To replace the fan tray:
1.
Wear an ESD wrist strap. Make sure the wrist strap makes good skin contact and is reliably
grounded.
2.
Loosen the captive screws on the fan tray.
3.
Holding the handle on the fan tray, pull the fan tray part way out of the slot. After the fans stop
rotating, support the fan tray bottom and pull it out from the chassis.
4.
Place the removed fan tray on an antistatic mat.
5.
Install a new fan tray. Hold the handle on the fan tray, slide the fan tray into the slot along the
guide rails, and then fasten the captive screws on the fan tray.
Figure3-2 Removing a fan tray
Replacing an RSU
The routing and switching units (RSUs) are hot swappable.
To replace an RSU:
1.
Wear an ESD wrist strap. Make sure the wrist strap makes good skin contact and is reliably
grounded.
2.
Loosen the captive screws on the RSU.
3.
Pressing the locking tab on each ejector lever, simultaneously open the two ejector levers fully.
4.
Gently pull the RSU out of the slot along the guide rails.
