80
Troubleshooting
This chapter provides general troubleshooting information for problems that might occur with
switch modules and pass-through cards.
Power supply
If the STATUS
LED
of a switch module/pass-through card is not lit green, check that:
• The power supply control unit, such as an uninterruptible power supply (UPS), is switched on.
• The power distribution board is switched on.
• The power cable is securely connected to the Blade Enclosure.
• The power cable of the Blade Enclosure is securely connected to a power-supply tap.
• The power supply tap is securely installed on the uninterruptible power supply (UPS).
• The power units are securely installed in the Blade Enclosure.
• The number of power supplies installed in the Blade Enclosure is sufficient.
• The redundancy mode of the power supplies in the Blade Enclosure is appropriate.
• The switch module/pass-through card is securely installed in the Blade Enclosure.
Summary of Contents for SIGMABLADE N8406-017
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