Baldor have recommended this USB to Serial (9 pin) Adaptor with 1 metre cable for linking to their controllers. Since the SiteCOM part number:CN-104 is now obsolete. Note ? Denford machines usually have a 25 pin, "D" type Female RS232 connection
https://www.directusbstore.co.uk/cnb/sho ... egoryID=30
Baldor Recommended USB to Serial Adaptor
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