MP3900X Series Router Installation Manual
Router Maintenance
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6-5
and go out before the next operation;
Figure 6-8 HOT SWAP button
Step 2: Use a cross screwdriver to loosen the screws on the interface card to be replaced.
Grasp the screws with both hands and pull them outwards to make the interface card
separate from the frame panel.
Figure 6-9 Uninstall the interface card
Step 3: Slide smoothly along the slot guide and pull out the interface card.
Step 4: Place the unloaded interface card on the anti-static mat or in the packaging box.
Step 5: Insert the new interface card smoothly along the slot guide rail. When the distance
between the interface card panel and the frame panel is about 1cm, and there is obvious
obstruction, gently push the interface card panel by hand to make the interface card
panel and the frame panel fit.
Figure 6-10 Insert the interface card
Step 6: Tighten the screws on the interface card with a cross screwdriver to fix the interface
card.