H3C R6900-FAN Manuale utente
H3C R6900-FAN
Fan Module Manual
New H3C Technologies Co., Ltd.
http://www.h3c.com
Document version: 6W100-20210414
Copyright © 2021, New H3C Technologies Co., Ltd. and its licensors
All rights reserved
No part of this manual may be reproduced or transmitted in any form or by any means without prior written
consent of New H3C Technologies Co., Ltd.
Trademarks
Except for the trademarks of New H3C Technologies Co., Ltd., any trademarks that may be mentioned in this
document are the property of their respective owners.
Notice
The information in this document is subject to change without notice. All contents in this document, including
statements, information, and recommendations, are believed to be accurate, but they are presented without
warranty of any kind, express or implied. H3C shall not be liable for technical or editorial errors or omissions
contained herein.
Environmental protection
This product has been designed to comply with the environmental protection requirements. The storage, use,
and disposal of this product must meet the applicable national laws and regulations.
i
Contents
1 About the R6900-FAN fan module···························································1-1
2 Key features ····························································································2-1
Automatic speed adjustment···························································································································2-1
Hot swapping ··················································································································································2-1
Locked rotor protection ···································································································································2-1
Polarity protection ···········································································································································2-1
3 Technical specifications···········································································3-1
4 Installing and removing the fan module····················································4-1
1-1
1 About the R6900-FAN fan module
IMPORTANT:
•
The information in this document might differ from your product if it contains custom
configuration options or features.
•
The model name of a hardware option
in this document might differ slightly from its model name
label. A model name label might add a prefix or suffix to the hardware-coded model name. For
example, the R6900-FAN fan module model represents fan module labels including
UN-R6900-FAN-S, which has a different prefix and suffix.
The R6900-FAN fan module contains two fans. Each fan has a rotor composed of seven vanes at
the air inlet and a rotor composed of five vanes at the air outlet. When a fan operates normally, the
two rotors are reversed in direction to form counter-rotation for sufficient wind pressure. The
R6900-FAN fan module is hot swappable, and provides fast heat dissipation and high speed.
Figure1-1 R6900-FAN fan module
2-1
2 Key features
Automatic speed adjustment
The fan uses pulse width modulation (PWM) to adjust fan speed quickly, accurately, and stably
according to system instructions. If the external environment or a system internal component has a
high temperature, the fan speed increases to help fast heat dissipation. If the temperature of the
external environment drops, the fan speed decreases to save energy.
Hot swapping
The fan module is hot swappable, improving system maintainability.
Locked rotor protection
This feature protects the fan from being damaged for up to 96 hours if a rotor of a fan operating
under normal voltage stops rotating due to a foreign object.
Polarity protection
If the polarity of the input voltage does not match the polarity of the fan, the fan cannot operate
correctly but will not be damaged.
3-1
3 Technical specifications
Table3-1 Technical specifications
Item
Specifications
Number of fans 2
Number of rotors per fan 2
Dimensions (H × W × D) 56 × 80 × 80 mm (2.20 × 3.15 × 3.15 in)
Rotation direction From the air inlet:
•The rotor at the air inlet rotates counterclockwise.
•The rotor at the air outlet rotates clockwise.
Maximum fan speed •Rotor at the air inlet: 15000 RPM
•Rotor at the air outlet: 13000 RPM
Maximum airflow 128.1 CFM
Maximum power consumption 59.16 W
Operating voltage 12 V (10.8 V to 13.2 V)
Temperature •Operating: –10°C to +70°C (14°F to 158°F)
•Storage: –40°C to +70°C (–40°F to +158°F)
Humidity •Operating: 5% to 90%, noncondensing
•Storage: 5% to 95%, noncondensing
NOTE:
The arrow on the top of the fan module indicates the airflow direction.
4-1
4 Installing and removing the fan module
For information about installing and removing the fan module, see the user guide for the device.
Indice
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