Hardware Maintenance | 85 |
Installing a Module
1Wear the
2Hold the ejector levers of the card with both hands and pull them outward, align the card with the guides in the chassis, and slide it gently into the slot until its positioning pin touches the positioning hole in the chassis.
3Pull the ejector levers inward to lock the positioning pin of the card into the positioning hole in the chassis.
4Fasten the screws to fix the card.
Figure 61 Installing a Module
Replacing the Fan Tray
c CAUTION: To avoid bodily injury, do not touch exposed wires, terminals, or the switch parts where a dangerous voltage warning label is indicated.
Required tools
■
■Screwdriver
Replacing the Fan Tray
To replace the fan tray:
1Wear the
2Remove the screws from both sides of the fan tray.
3Pull the fan tray out with one hand on the top and the other hand around the handle of the fan tray to separate the fan tray positioning pin from the backplane.
c CAUTION: When you replace the fan tray of an operating switch, pull the fan tray out from the chassis only after the fans stop rotating. In this case, there is still the possibility that fans are still rotating. Therefore do not put your hand into the fan tray to avoid bodily injury.
4Gently pull the fan tray out of the slot along the guides and place fan tray into the packing bag.
5Hold the fan tray’s handle with one hand and its bottom with the other and pull them outward.
6Align the fan tray with the guides in the chassis and slide it gently into the slot until its positioning pin touches the positioning hole in the chassis.
7Insert screws on both sides of the fan tray.
c CAUTION: Install a new fan tray soon after removing the old one to ensure that the switch operates normally.
