3com 8810 User Manual

Step 1: Wear the ESD-preventive wrist strap and unscrew the captive screws on 
the module with a flathead screwdriver.

Step 2: Hold the ejector levers on the module with both hands and press them 
outward to separate the locking pin of the module from the backplane.

Step 3: Gently pull the module out of the slot along the guides.

Figure 59   Removing a Module

Step 1: Wear the ESD-preventive wrist strap and unscrew the mounting screws 
fixing the blank filter panel in the slot where you want to install the module, and 
remove the blank filler panel.

Step 2: Hold 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.

Step 3: Pull the ejector levers inward to lock the positioning pin of the card into 
the positioning hole in the chassis.

Step 4: Fasten the captive screws to fix the card.

Figure 60   Installing a Module

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ESD-preventive wrist strap

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Screwdriver

Step 1: Wear the ESD-preventive wrist strap. Screw off the captive screws on both 
sides of the fan tray. Pull the fan tray outward with one hand contacting the 
switch top and the other hand around the handle of the fan tray to separate the 
fan tray positioning pin from the backplane.