3com S8520X-28S 0235A370 Benutzerhandbuch

 

6-2 

You can check whether the power system of the switch runs normally by viewing the PWR1 or PWR2 
LED on the front panel and of the switch the LED on the power module. 

z

 

For details about the PWR1 and PWR2 LEDs on the front panel of the switch, refer to 

 on page 

z

 

For details about the LED on a hot swappable power module, refer to H3C PSR300-12A & 

. 

When the power supply system functions normally, the corresponding power module LEDs should be 
steady green. Otherwise, check whether  

z

 

The power module is switched on. 

z

 

The switch power cord is properly connected.  

z

 

The power supply meets the requirement. 

z

 

The operating temperature of the switch is normal and proper ventilation is ensured for the power 
module. 

 

If the cause cannot be located in the preceding steps and the problem persists, you need to contact 
your local sales agent or service engineer. 

 

To replace a hot swappable power module, refer to 

 on page 

The S5820X-28C supports the hot swappable OAP card. You can check whether the OAP card of the 
switch runs normally by viewing SLOT3 LED on the front panel of the switch and the LED on the OAP 
card. 

z

 

For details about the SLOT3 LED on the front panel of the switch, refer to 

  on 

page 

z

 

For details about the LED on the OAP card, refer to H3C OAP Card  User Manual. 

When the OAP card functions normally, the corresponding LEDs should be steady green. Otherwise, 
check whether 

z

 

The model of the OAP card in use is supported by the switch. 

z

 

The OAP card is installed correctly and the OAP card is well connected with the switch. 

 

If the cause cannot be located in the preceding steps and the problem persists, you need to contact 
your local sales agent or service engineer. 

 

To replace an OAP card, refer to 

 on page 

.