Looping 12.5 LTE RF Transmission Path Test from Sierra Wireless RC76xx Product Technical Specification
Observe on random loops see the COM port close and see reset counter increment to 2 after re-connecting after shutting off TX.
Fimware: SWI9X07H_00.03.03.00 2bb7a4 jenkins 2020/04/15 07:57:
Have adequate current draw and also see using 0 dBm instead of procedure’s 10 dBm power.
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Could you please share with me some information as below:
Please upgrade to the latest firmware for your RC7611-1 by following the link below and then recheck whether the issue is resolved?
Has this issue happened before? Or is this the first time?
How many RC7611-1 module do you have? Can you try on another RC7611-1 module to see if get the same issue?
Please share with me the AT command log and specific step by step you tested on your RC7611-1 module
I debugged more by adding additional delay, after boot (enumeration) and FTM mode and also initialized the RST pin state on test system (was un-initialized). I am now unable to reproduce and appears more stable. I’m going to close topic for now.