I downloaded the the USB-serial driver and Indigo plugin and my log is filled with:
RFXCOM Error "RFXCOM serial port" serial port open error: [Errno 35] Resource temporarily unavailable: '/dev/cu.usbserial-A60333OU'
RFXCOM Error the specified serial port is used by another interface or device
RFXCOM Error serial port could not be opened
Error unknown command bytes received 18 00 (ignoring)
Error unknown command bytes received 66 03 (ignoring)
RFXCOM Error communication error occured
RFXCOM Error Error in plugin execution runConcurrentThread:
Traceback (most recent call last):
File "plugin.py", line 290, in runConcurrentThread
File "/Library/Application Support/Perceptive Automation/Indigo 6/Plugins/RFXCOM.indigoPlugin/Contents/Server Plugin/RFXTRX.py", line 1839, in startComm
File "/Library/Application Support/Perceptive Automation/Indigo 6/Plugins/RFXCOM.indigoPlugin/Contents/Server Plugin/RFXTRX.py", line 77, in SendResetAndInit
File "/Library/Application Support/Perceptive Automation/Indigo 6/Plugins/RFXCOM.indigoPlugin/Contents/Server Plugin/RFXTRX.py", line 567, in sendPacket
AttributeError: 'NoneType' object has no attribute 'write'
RFXCOM Error plugin runConcurrentThread function returned or failed (will attempt again in 10 seconds)
Error unknown command bytes received 66 03 (ignoring)
Error resending previous command (busy or unexpected command)
Any ideas?