The error from perror is “Serial: It sure does look like communication will work the first time I try it. Can’t say enough about it. David Berkan 93 1 4. When I get the error the second time I try to start the process, I can open the device, but the error happens the first time I try to send a byte over the serial interface. Product filled the application we had without a problem.

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Rated 5 out of 5 by 8 Ball from Perfect solution!

TRENDnet Tu-s9 USB to Rs-232 Db9 Serial Converter

This doesn’t seem like the best way to fix it, though. Saving you the search: It is well constructed and the price is right. It sure does look like communication will work the first time I try it.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Will consider this vendor for future applicatoins.

If so perhaps there’s a bug in their kernel driver. Update Unrecognized Zip Code. I can get around this problem by writing a second program that merely opens the cu. International orders are processed the next shipping day. I would highly recommend this converter. The Trendnet interface worked perfectly right out of the box.


After that smooth sailing.

TRENDnet TU S9 USB to Serial Converter

The interface has always been unreliable, sometimes I could link up and others I could never establish a connection in spite of the fact that the device was working properly. I have had excellent interface connections zero failures with the Trendnet USB to Serial cable, very reliable.

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Product filled the application we had without a problem. The error from perror is “Serial: In Stock Update Location close. Can anyone replicate it? The drivers on Prolific’s site stop at Join Stack Overflow to fonverter, share knowledge, and build your career.

It is a nicely constructed and very compact device. See any errors on this page? I have no complaints regarding this application. I wrote the program about a week ago and it is working fine.


TRENDnet TU-S9 USB to Serial Converter TU-S9 B&H Photo Video

The driver listed there says it supports macOS Sierra. Qty Add to Cart. The code I have for a Linux box works fine. As soon as I installed the latest drivers and rebooted it worked perfectly.

Be the first to review this item. Trendnet tu-s9 usb to serial converter further details see delivery estimates in cart. David Berkan 93 1 4.