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S-Series error when blade inserted: out-of-band communication error

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TitleS-Series error when blade inserted: out-of-band communication error
Symptoms
S-Series error when blade inserted: out-of-band communication error as seen in logging buffer:
     System[1]A board was inserted in slot 1, but could not be read using out-of-band communication
Environment
  • S-Series
  • All Firmware Versions
Cause
This is a vague error message and does not indicate the underlying problem
Resolution
  • Establish a console session to log the output of the bootup process on the blade
  • For Console into a Fabric Module, you can use the RJ45 to DB9 console adapter and plug into corresponding chassis COM port.
  • If the module is an I/O Module you are trying to connect to, you need to use a USB to Micro-USB adapter and plug directly into the I/O module COM port after installing a special driver found here: https://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx
  • Once the driver is loaded, connect the USB to Micro-USB to the chassis and PC, then check under WIndows device manager > Ports (COM & LTP) to see the COM port to use with Putty for console access
Additional notes

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