Installation Guide

Default temperature thresholds for the MLX Seriesdevices are described in the following table.
TABLE 42 Default temperature thresholds for modules and fan speeds for MLX Series devices
Fan speed Low temperature threshold High temperature threshold
Management modules
High 72 ° C 85 ° C
Medium-high 67 ° C 80 ° C
Medium 52 ° C 70 ° C
Low -1 ° 60 ° C
Management modules CPU
High 72 ° C 95 ° C
Medium-high 65 ° C 80 ° C
Medium 63 ° C 74 ° C
Low -1 ° 70 ° C
Interface modules
High 65 ° C 95 ° C
Medium-high 63 ° C 81 ° C
Medium 61 ° C 79 ° C
Low -1 ° 74 ° C
Interface modules Packet Processor
High 77 ° C 113 ° C
Medium-high 72 ° C 94 ° C
Medium 69 ° C 92 ° C
Low -1 ° 90 ° C
Generation 2 Interface modules
High 70 ° C 95 ° C
Medium-high 62 ° C 80 ° C
Medium 58 ° C 75 ° C
Low -1 ° 70 ° C
Generation 2 Interface modules Packet Processor
High 74 ° C 113 ° C
Medium-high 70 ° C 87 ° C
Medium 66 ° C 85 ° C
Low -1 ° 83 ° C
Switch fabric module
High 47 ° C 75 ° C
Medium-high 37 ° C 50 ° C
Medium 27 ° C 40 ° C
Low -1 ° 30 ° C
High-Speed Switch fabric module
High 6 2° C 1 00° C
Medium-high 57 ° C 70 ° C
Medium 5 3° C 6 5° C
Low -1 ° 60 ° C
Managing the cooling system
Extreme Routing MLX Series Hardware Installation Guide
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