
12
Figure 12 Grounding through the PE wire of the AC power cord
(1) Three-wire AC power cord
(2) Chassis rear panel
NOTE:
To guarantee the grounding effect, use the grounding cable provided with the switch to connect to
the grounding strip in the equipment room as long as possible.
Installing/removing a fan tray
CAUTION:
To ensure good ventilation for the switch:
•
Install two fan trays of the same model on the switch.
•
Do not operate the system with one failed fan tray for more than 24 hours.
•
Do not remove the failed fan tray until you are ready for replacing it.
•
Do not operate the system without any fan tray for more than 2 minutes.
•
Do not operate the system outside of the temperature range 0°C to 45°C (32°F to 113°F)
degrees.
Installing a fan tray
CAUTION:
To prevent damage to the fan tray or the connectors on the backplane, insert the fan tray gently. If
you encounter a hard resistance while inserting the fan tray, pull out the fan tray and insert it again.
Select appropriate fan trays as needed. For the optional fan trays and their specifications, see "
."