Recently the 2413 failed in some fashion; not the classic 'no green led' problem, just noresponses. So I reluctantly (money insanely tight right now) ordered a replacement and stuck the old 2414 back in service temporarily. The '14 is a pain because of the lack of extend commands, which makes my control rules almost unusable.
The replacement arrived today and simply isn't talking to the Mac. I've tried various cables (even though the original is talking to the old '14 perfectly happily) and even connecting it via a usb2 hub.
The symptoms range from (most of the time) the interface config dialogue not recognising it, to a few brief moments of them talking, starting to sync stuff and then a seeminlgy unending train of
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Error resending previous command (busy or unexpected command)
Interface Failure failed to establish connection with serial interface PowerLinc Modem on port usbserial-A906XNDR
Error resending previous command (busy or unexpected command)
with an occasional
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PowerLinc Linking - batch sync started
Error resending previous command (busy or unexpected command)
for extra flavour.
Extra details -
The new 2413 is a v2.3, the old failed one was v 1.C.
Mac os on Yosemite.
Even though it apparently applies to newer-than-High Sierra, maybe this means sometihng -
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ls -lda /System/Library/Extensions/*FTDI*
drwxr-xr-x 3 root wheel 102 8 Aug 2012 /System/Library/Extensions/FTDIUSBSerialDriver.kext
No, I can't afford to update to latest indigo right now.
Help!