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Dell PowerEdge R320 Systems Owner's Manual

Troubleshooting A Serial I/O Device

  1. Turn off the system and any peripheral devices connected to the serial port.
  2. Swap the serial interface cable with a working cable, and turn on the system and the serial device.

    If the problem is resolved, replace the interface cable with a known good cable.

  3. Turn off the system and the serial device, and swap the device with a comparable device.
  4. Turn on the system and the serial device.

If the problem persists, see Getting Help.


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