Dell PowerConnect B-RX16 Installation Guide - Page 131
medium-high fans speeds, the BigIron RX Series system will accept the following values because
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Managing the cooling system 5 Syntax: fan-threshold [low ] [med ] [med-hi ] [hi ] For the parameter, you can specify the following: • lp - Changes low and high temperature thresholds for the interface modules. • mp - Changes low and high temperature thresholds for the active and standby management modules. • mp-cpu - Changes low and high temperature thresholds for the active and standby management module's CPU. • switch fabric - Changes low and high temperature thresholds for the switch fabric module. For the and parameters, you can specify any temperature in Centigrade. However, when changing low and high temperature thresholds for a module's fan speeds, remember that the low temperature threshold of a higher fan speed must be lower than the high temperature threshold of the lower fan speed. Brocade establishes this guideline to ensure the fan speed stability. For example, if you are changing the temperature thresholds for a management module's high and medium-high fans speeds, the BigIron RX Series system will accept the following values because the low temperature threshold for the high speed (77 C) is lower than the high temperature threshold (79 C) for the medium-high speed. BigIron RX(config)# fan-threshold mp med-hi 67 79 BigIron RX(config)# fan-threshold mp hi 77 85 However, the BigIron RX Series system will not accept the following values because the low temperature threshold being entered for the high speed (77× C) is higher than the high temperature threshold (76× C) for the medium-high speed. BigIron RX(config)# fan-threshold mp med-hi 67 76 BigIron RX(config)# fan-threshold mp hi 77 85 BigIron RX Installation Guide 119 53-1001811-01