Troubleshooting (Serial Access Mode)
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This topic provides a list of hints that can help you figure out why you cannot access the DS through the serial port. See troubleshooting (auto-discovery mode) and troubleshooting (address book mode) for hints on other two access modes.
Here are the reasons why the DS Manager may not able to access the DS in the COM access mode:
* Really sorry for this "hint"... it's just that this is the root cause of the problem in many cases!
** On EM100, EM120, EM200, EM203(A)- pull the MD line low for at least 100ms.