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The Attention LED on
a power supply is lit or the power supply seems dysfunctional. |
- Check that the power supply is present.
See  Display Power Supplies Present.
Check the power supply status. See Check the Status of a Power Supply. Unplug the respective power cord, wait 15 minutes, then reattach the power cord. If the previous steps do not rectify the situation, replace the power supply. See Switch Service, servicing a power supply.
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The Attention LED
on a CMC is lit or the CMC seems dysfunctional. |
- If you are able to access the CMC, reboot the CMC.
See Restart a CMC.
If the previous step does not rectify the situation, perform a hot-swap of the CMC. See Switch Service, removing a CMC, installing a CMC. If you are unable to access the CMC, or the previous step does not rectify the situation, replace the CMC. See Switch Service, servicing a CMC.
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The Attention LED on
a fan is lit or the fan seems dysfunctional. |
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The Attention LED on a
fabric card is lit or the fabric card seems dysfunctional. |
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The Attention LED on
a line card is lit or the line card seems dysfunctional. |
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After installation, not
all internal links are operational. |
- Determine if the non-operational links are localized to one fabric card or line card.
See Check Fabric Card Link Status (Simple) and Check Line Card Link Status (Simple).
If the non-operational links are localized to one fabric card, reset the links for that card. See Enable Downed Fabric Card Links. If the non-operational links are localized to one line card, verify that each IB cable connection has appropriate Link LEDs lit. See Check Link LEDs. If the non-operational links are localized to one line card, reset the links for that card. See Enable Downed Line Card Links. If both fabric cards and line cards have non-operational links, verify if there is commonality to the links. See Understanding Signal Routing Through the Switch If there is commonality through an XBOW connector: Unscrew the retainer bolts of the affected fabric cards or line cards or both by 3/4 turn. Alternate between retainer bolts, turning each 1/4 turn counter-clockwise each time. If the previous step did not rectify the situation, reseat the fabric card and line card. See Switch Service, servicing a fabric card, servicing a line card. If the previous steps do not rectify the situation, remove the fabric card or line card and inspect the midplane XBOW connectors and the fabric card or line card XBOW connectors. See Switch Service, removing a fabric card, removing a line card. See Switch Installation, inspecting the midplane connectors, inspecting the XBOW connectors. If the XBOW connectors are in good condition, exchange the slot positions of the suspect fabric card with a known good fabric card. See Switch Service, servicing a fabric card. If the problem has moved to the other fabric card slot, replace the suspect fabric card with a new one. If the problem remains at the original fabric card slot, replace the suspect line card with a new one. See Switch Service, replacing a fabric card, replacing a line card.
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