[App_rpt-users] USB Audio Fobs

Ramesh Dhami Ramesh at va3uv.com
Tue Apr 18 10:22:59 EDT 2017

Hi Guys:

I am preparing a RPi3 to replace a dying PC with ACID at my repeater 
site.  The Pi will control 2 full-duplex repeaters.

I have prepared the config files at home and plugged in 2 (modified) USB 
fobs.  Both fobs worked initially... i.e., I was able to connect a test 
repeater to each fob and hear telem' data out of the repeater / 
corresponding to the applicable node #.

I am using usbradio for both fobs (config changed in modules.conf and 

The issue I have is that the LED on one of the fobs is no longer 
flashing and hence, no audio out of that fob.  The LED is however, on 

Here is the output of 'lsusb':

Bus 001 Device 005: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio 
Bus 001 Device 004: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter

It is the 2nd fob that seems to be non-responsive.

Any ideas folks?

I am reluctant to swap fobs between USB ports as I know that usb 
enumeration can be a pig!


Ramesh, VA3UV

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