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Chapter 1 - Getting Started
Cooling Fan Module
5
Cooling Fan Module
The cooling system consists of two high-performance (80-CFM) cooling fans
mounted in a single fan module which slides into the open bay at the rear of the
enclosure. The design of the fan module provides for an easy user-replaceable
component in a live environment without interruption of service.
If any one fan should fail, cooling redundancy and efficiency are degraded. The
SES processor communicates monitoring status of the cooling fans which will
illuminate the Fan Status LED and sound an alarm should a problem occur.
The enclosure temperature sensors monitor the enclosure temperature for
out-of-tolerance conditions. The maximum temperature threshold value is 60° C
(140° F). If the threshold value is exceeded, the Fan Status LED will begin flashing
amber. This LED notification gives the user a warning that some condition is
causing the enclosure temperature to exceed its limits and action is required by the
user to determine the cause and take corrective action. It may be due to a blockage
of air flow or a low fan speed.
WARNING:
Do not operate the enclosure for extended periods of time (greater
than 5 minutes) with the cooling fan module removed.
The firmware-based VT-100 interface has an option to manage fan speed. This option
provides a whisper mode fan operation for noise sensitive environments. When
enabled (default) and based on a set of conditions, the firmware will manage the
cooling fans speed to maintain the enclosure temperature while minimizing noise
levels. Refer to “Enclosure Fan Speed Control” on page 113 for more details on using
this option.
Cooling Fan Module
Jumpers JP1 and JP2
Fan Speed Overr ide Control
4200F.book Page 5 Thursday, January 23, 2003 2:47 PM
Содержание NexStor 4200F Series
Страница 2: ...4200F book Page 2 Thursday January 23 2003 2 47 PM...
Страница 8: ...Table of Contents iv 4200F book Page iv Thursday January 23 2003 2 47 PM...
Страница 12: ...About this Manual Features viii 4200F book Page viii Thursday January 23 2003 2 47 PM...
Страница 32: ...Chapter 1 Getting Started Audible Alarm 20 4200F book Page 20 Thursday January 23 2003 2 47 PM...
Страница 156: ...Chapter 6 Maintenance Replacing the Enclosure 144 4200F book Page 144 Thursday January 23 2003 2 47 PM...
Страница 160: ...Appendix A Technical Information Specifications 148 4200F book Page 148 Thursday January 23 2003 2 47 PM...
Страница 172: ...Index 160 4200F book Page 160 Thursday January 23 2003 2 47 PM...
Страница 173: ...4200F book Page 161 Thursday January 23 2003 2 47 PM...