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Crestron control of a USB telnet device
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Post 1 made on Sunday March 5, 2017 at 00:38
Lurking Member
January 2011
I need to add a new audio preamplifier (Constellation Audio) to an existing Crestron system. The good news -- it has extensive set of serial commands. The bad news -- it does not have an accessible RS232 port, only USB port with a built-in FTDI USB-to-Serial converter.

I connected it to my computer with a terminal program, and it works like a charm.

So, how can I control it with 3-Series controller? Of course, I can connect the preamp to a PC, then find some code which would allow telnet access to that port... but having a PC dedicated just for this purpose is kinda ridiculous. Even a Raspberry PI...

I could not find a single off-the-shelf device which can connect USB port to Ethernet and allow simple telnet access.

So, what is the best way to solve this problem?
Post 2 made on Tuesday April 18, 2017 at 02:46
Long Time Member
March 2017
Can you try an external usb-to-serial cable? If that works then you can use the 232 ports on the crestron processor.

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