Proprietary*Information:*Not*for*use*or*disclosure*except*by*written*agreement*with*Calix.*
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The Calix E7-20 fan module has three LEDs to indicate system alarm and operational status.
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Each Calix E7-20 line card has three LEDs to indicate the card's operational status.
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Note: LED behaviors are shown for the card's primary operational states. The card LEDs
exhibit additional behaviors associated with boot up cycles and other activities. Refer to the
Calix E7-20 User Guide for full details.