ADDENDUM - Radisys
Contents
1. rflow at the front or rear panels of the chassis For more information see the Chassis Service Manual Removal and Replacement The fan module can be replaced in a CP80 12 chassis while the power is on and without interruption to the system To replace a fan module Figure 1 1 Loosen the captive thumbscrew Grasp the handle securely and slowly pull the fan module out of the chassis Slide the replacement module into place Poe Firmly tighten the thumbscrew Always insure that the thumbscrews are tightened before shipping or moving the chassis More For more information see the following e The Chassis Service Manual e Intelligent Platform Management Interface Specification Intel Corporation Hewlett Packard Company NEC Corporation Dell Computer Corporation Addendum 2 Figure 1 Removing a Fan Module This illustration shows the CP80 12 chassis FM02 Fan Module DAF OPERERE RER ey Zs LEE g i 5 Gee PRAI L Ps AI i sys yas Sets Se ee OIL oe pep A if ae ee eee SEE Sis SEEDED EEE KA Addendum2. s gt a A l m m hm qui la ADDENDUM FM02 Fan Module P N 34833 001 August 2000 This document supplements the service manual providing additional information concerning the FM02 Fan Module for the CP80 series CompaciPEl chassis Refer to the Service Manual for more information 2000 RadiSys Corporation All Rights Reserved Printed in USA FM02 Fan Module FM02 Fan Module Overview The FM02 Fan Module provides the primary cooling capability for the CP80 12 chassis The FMO02 provides the following features e Six 3 62 92 mm dual speed fans each equipped with a tachometer e Each fan is rated at 75 CFM individually e A front panel status LED confirms whether the module is operating normally e The LED will be ON green to signal that the fan module is working properly e The LED will be OFF if a problem exists with the fan module Hot Swappable The design of the FM02 Fan Module allows it to be removed or replaced while the power is on and without interrupting the system A removed fan module must be replaced within one minute to ensure uninterrupted system operation Platform Management Fan Speed The FM02 provides information on fan speed and internal temperature to the Platform Management System Key points relating to how the fan module and the Platform Management system interact are as follows e IPMI compliant information from the FM02 is available to the Platform Managemen
3. t system for status reporting and event logs e Information on the speed and status of each fan is constantly updated and available to the Platform Management system e Fan speed is controllable by the fan module itself the alarm board or a Platform Management application The fans in the FM02 can operate at two speeds e 2 600 RPM normal speed e 4 000 RPM high speed The fans normally spin at low speed to reduce noise and conserve power However any of the following conditions can cause the system to set the fans to high speed e When the temperature sensed in the fan module exceeds a preset value e When the CP80 Platform Management System commands high speed e When a fan tachometer shows that a fan has failed or is falling below the minimum speed for its current setting Addendum Fault Tolerance The fan module is fault tolerant If a single fan inside the module fails the module can continue to cool the chassis RadiSys recommends that a fan module with a failed fan be replaced as soon as possible A removed fan module must be replaced within one minute to ensure uninterrupted system operation Airflow The fan module draws air into the chassis through the vents directly beneath the front peripheral expansion slots Airflow is then directed upward and expelled from the vents above the rear peripheral expansion slots To allow proper airflow and to help prevent overheating ensure that there are no obstructions to ai
Download Pdf Manuals
Related Search