
3
Replacement conditions
Replace a power supply when any of the following conditions exists:
•
The power supply is faulty.
•
The power output of the current power supplies cannot meet the power requirements of the
router.
The system power consumption equals the total dynamic power consumption of all cards plus
the maximum power consumption of fans. For more information, see "Module power
consumption and total power consumption."
Replacement procedure
1.
Prepare an antistatic mat to place the removed power supply.
2.
Wear an ESD wrist strap and make sure it has a good skin contact and is reliably grounded. For
more information, see "Attaching an ESD wrist strap."
3.
Switch off the power supply.
4.
Remove the power cord from the power supply.
5.
Use a Phillips screwdriver to loosen the captive screws on the power supply, as shown by
callout 1 in
6.
Remove the power supply, as shown by callout 2 in
a.
Hold the power supply handle with one hand and support the bottom of the power supply
with the other.
b.
Gently pull the power supply out.
7.
Remove the power adapter. The procedures for removing a power adapter are the same as
removing a power supply.
Skip this step if no power adapter is used for the power supply.
8.
Put the removed power supply on the antistatic mat.
9.
Install a new power supply. For the installation procedure, see "Installing a power supply in the
chassis."
10.
If you are not to install a new power supply, install a filler panel in the slot. Align the screws on
the filler panel with the screw holes on the router, and then use a screwdriver to secure the
screws on the filler panel.
Содержание SR8800-F
Страница 49: ...6 debugging commands in H3C SR8800 F Routers Network Management and Monitoring Command Reference ...
Страница 126: ...6 Figure 4 E1 cable 1 HM96 RJ 45 ...
Страница 127: ...7 Figure 5 E1 cable 2 HM96 SMB ...
Страница 148: ...12 Figure 14 Example of a device label ...