User's Manual

Subject: UMC-A21LG User Manual
REV: 1.0
PAGE 6 OF 14
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Desi
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Power on Sequence:
I. Connect DUT to interface board
II. Attach AC-DC Adaptor & USB Debug Port Cable
III. Wait for 20 seconds when system ready (See Note 1)
IV. Plug-in Console Port cable
[Caution] Improper power on sequence might lead to system boot-up
failure!
AC-DC 5V Adaptor
Interface Board
DUT (CB)
USB Debug Port Console