Hardware Maintenance | 81 |
■The fans are working normally.
■The rotation of the fans has not been blocked.
■The blank filler panels have been inserted into the I/O module slots.
Troubleshooting I/O The Switch 8800 Family provides I/O moduleX LEDs on the fabric so that you can Module check the state of these I/O modules.
Table 77 I/O Module LEDs
Indicator | State description |
RUN
ALM
2~6 (Switch 8807) 0~3, 6~9 (Switch 8810) 0~5, 8~13 (Switch 8814)
ON indicates an I/O module failure.
OFF indicates that the I/O module has failed or it is not in position at all.
Blinking indicates that the I/O module is working normally.
OFF indicates that there is no I/O module alarm or that the I/O module is not in position at all.
ON indicates that there is an I/O module alarm.
On the Switch 8807, I/O module 0 through I/O module 4 respectively correspond to slots 2 through 6.
On Switch 8810, I/O module 0 through I/O module 7 respectively correspond to slots 0 through 3 and 6 through 9.
On Switch 8814, I/O module 0 through I/O module 11 respectively correspond to Slots 0 through 5 and 8 through 13.
Hardware
Maintenance
Replacing AC PSU
c CAUTION: The Switch 8800 Family’s PSU is
■The Switch 8800 Family uses multiple power systems, and you must turn off all of them when removing the AC PSU.
■The PSU of the Switch 8800 Family is heavy. Use both hands to pull it out slowly and gently, with one holding its handle and the other holding its bottom.
■If you are not installing a replacement PSU, insert a blank filler panel into the PSU slot so that dust cannot get into the unit and to allow proper ventilation
Removing an AC PSU
To remove an AC PSU:
1Change the power switch on the PSU from the ON position into the OFF position.
2Pull right the clamp holding the power cord connector and unplug the power cord.
3Unscrew the screws on the both sides of the PSU panel with a flathead screwdriver.
