Dell Networking S5000 Manuale di installazione - Pagina 29
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WARNING: The PCB edge connector is at the bottom. Avoid installing the switch upside down.
WARNING: Electrostatic discharge (ESD) damage can occur if components are mishandled. Always wear an ESD-
preventive wrist or heel ground strap when handling the S5000 and its components.
CAUTION: DO NOT mix airflow directions. The airflow directions are color coded. A red label indicates that hot air
is expelled from the PSU and a blue label indicates that hot air is expelled from the I/O. Both power supplies must
use the same airflow direction (I/O to Utility or Utility to I/O). The power supplies and fans must have the same color
strap. If you mismatch the airflows, the following error message appears and the system shuts down:
00:02:19: %S5000:0 %CHMGR-2-PSU_TYPE_AIRFLOW_MISMATCH: Mismatching PSU
airflow detected. Unit 0 shall get shutdown in next 60 seconds if mismatch
not rectified. 00:02:19: %STKUNIT0-M:CP %CHMGR-1-
PSU_AIRFLOW_COMBO_MISMATCH: Major alarm: Mismatching PSU airflow detected
in unit 0
Installing an AC Power Supply
1.
Remove the PSU from the electro-static bag.
2.
Use the grab handle to slide the PSU into the switch PSU slot (install the PSU-exposed PCB edge connector first).
The PSU slot is keyed so that the PSU can be fully inserted in only one way. When you install the PSU correctly, it
snaps into place and is flush with the back of the switch.
Figure 15. Installing an AC Power Supply
1. Slot 0 (for AC PSU 0)
2. Release latch
3.
Plug in the AC3 prong cord from the switch PSU to the external power source (the AC wall outlet).
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