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Hot!RN4871 not accepting any command

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wicketew
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2019/06/07 16:38:52 (permalink)
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RN4871 not accepting any command

I want to use RN4871 for very basic way, but this module responds only '%REBOOT%' after low to high power at reset pin in application mode.
The connection to RN4871 is the following..
------------------------------
RN4871 
TxD - RxD (FT231)
RxD - TxD(FT231)
VBAT - 3.3v(Regulator)
GND - GND
------------------------------
When this device in test mode, this works correctly because Firmware Update can be used and has succeeded.
I tried several ways including having sent '$$$' immediate after resetting, and this has merely succeeded ('CMD> ' was responded).
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