H3C SR8800-F, Руководство по установке, Страница: 61 / 148

5
5. Press the ejector levers outward to separate the card from the backplane, as shown by callout 2
in
Figure 5 .
6. Use one hand to slowly move the card outward. Support the bottom of the card with the other
hand while pulling the card out of the slot along slide rails, as shown by callout 3 in
Figure 5 .
7. Put the removed card on the antistatic mat.
8. Install a new card. For the installation procedures, see "Installing MPUs/service modules."
If no new card is to be installed, install a filler panel to ensure good ventilation and dust proof.
Figure 5 Replacing a card (MPU)
Replacing a subcard
This section describes the procedure for replacing a subcard on a base card. The subcards are hot
swappable.
To replace a subcard:
1. Put on an ESD wrist strap, and make sure the wrist strap makes good skin contact and is
correctly grounded. For more information, see "Attaching an ESD wrist strap."
2. Use a Phillips screwdriver to loosen the mounting screws on the subcard, as shown by callout 1
in
Figure 6 .
3. Press the ejector levers outward to unseat the subcard from the base card, as shown by callout
2 in
Figure 6 .
4. Slowly pull out the subcard along the guide rails, as shown by callout 3 in Figure 6 .
5. Put the removed subcard on an antistatic mat or into the original package.
6. Install a new subcard. For more information about how to install a subcard, see "Installing a
subcard."
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1
3
2