H3C SR8800-F, Руководство по установке

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Figure 4 Removing the power supply
Replacing a card
CAUTION:
Do not remove the active MPU when the router is operating. To remove an active MPU, execute the
reboot
command to trigger an active/standby MPU switchover and wait until the MPU has entered
standby mode. You can execute the
display device
command or examine the MPU status LED
to determine the active/standby mode of an MPU.
For the MPU status LED description, see "MPU active/standby status LED." For more information
about the
reboot
and
display device
commands, see device management commands in H3C
SR8800-F Routers Fundamentals Command Reference .
CAUTION:
To replace an MPU or service module, first remove all its cables.
The replacement procedure is the same for the cards
To replace a card:
1. Prepare an antistatic mat to place the removed card.
2. Wear an ESD wrist strap and make sure it has a good skin contact and is correctly grounded.
For more information, see "Attaching an ESD wrist strap."
3. Use a Phillips screwdriver to remove the captive screws on the card, as shown by callout 1 in
Figure 5 .
4. Press the ejector levers down to the horizontal level. (This step applies only to a base card.)
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