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Dell Chassis Management Controller Version 3.10 for Dell EMC PowerEdge VRTX User's Guide

Obtain Recovery Information from DB-9 Serial Port

If the bottom LED is amber, recovery information is available from the DB-9 serial port located on the front of CMC.

To obtain recovery information:

  1. Install a NULL modem cable between a CMC system and a client system.
  2. Open a terminal emulator of your choice (such as HyperTerminal or Minicom). Enter the following specification when prompted: 8 bits, no parity, no flow control, baud rate 115200.
  3. Press the <Enter> key. If a recovery prompt appears, additional information is available. The prompt indicates the CMC slot number and failure type. To display failure reason and syntax for a few commands, type recover, and then press <Enter>.
    Sample prompts:
    recover1[self test] CMC 1 self test failure
    recover2[Bad FW images] CMC2 has corrupted images
    • If the prompt indicates a self test failure, there are no serviceable components on CMC. CMC is bad and must be returned to Dell.
    • If the prompt indicates Bad FW Images, complete tasks in Recovering Firmware Image .

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