Dell S4048T-ON Manuel de démarrage - Page 20
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AC or DC power supply installation
The S4048T-ON supports two hot-swappable power supplies with integrated fans that
provide cooling for the chassis. The system supports AC power supplies with two air-flow
directions—I/O to Utility and Utility to I/O.
1
Remove the PSU from the electrostatic bag.
2
Remove the PSU slot cover from the switch.
3
Use the grab handle to slide the PSU into the switch PSU slot.
The PSU slot is keyed such that the PSU can only be fully inserted in one orientation.
The PSU slides into the slot smoothly. Do not force the PSU into a slot as this action
may damage the PSU or the chassis.
Figure 11. AC or DC PSU installation
4
Repeat steps 1 through 3 for the second PSU.
WARNING:
can run on one PSU, Dell highly recommends using two PSUs for full redundancy
and more cooling. To avoid overheating when the switch is running with only a single
PSU, use PSU1, on the left when facing the PSU side. Cover the second PSU,
PSU2, with a blank plate.
20
Hardware installation
The PSU side includes two slots, PSU1 and PSU2. Although the switch