Dell Force10 S25P Посібник із швидкого старту - Сторінка 14
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CAUTION: Electrostatic discharge (ESD) damage can occur if components
are mishandled. Always wear an ESD-preventive wrist or heel ground strap
when handling the system and its components.
Power Supplies
On the S25N, S25V, and S25P systems, either the AC or DC power supplies
alone are sufficient to power the switch. When both AC and DC power supplies
are connected, they act in roughly a 60%/40% load-sharing mode.
WARNING: To prevent electrical shock, make sure the system is grounded
properly. If you do not ground your equipment correctly, excessive emissions
may result. Use a qualified electrician to ensure that the power cables meet
your local electrical requirements.
Fans
Ventilation is side-to-side, on the switch as you face the I/O side. The fans
operate at a constant speed and with automatic speed adjustment for temperature
changes.
Switch
S25N
S25V
S25P
For the S25N and S25V, FTOS turns on major and minor alarms and logs
temperature warnings at the following temperatures (in degrees Celsius), and
logs another message when the temperature returns to normal. The Command
Line Interface (CLI) also reports an alarm. The fan speed changes accordingly.
Temperature Warnings (in Degrees
Celsius)
Major On
Major Off
Minor On
Minor Off
12
Installing the Hardware
Number of Fans
4
5
6
S25N
S25V
62
60
58
56
60
58
50
47