Data sheet not up to date

CF Tech

The USB CFA-634 is is made by adding a USB adapter to the serial CFA-634. The adapter is a bit hard to see. Here is a photo with the adapter outlined:

Here is an image showing where the cable goes:

We do not have a USB specific data sheet for the CFA-634 :confused:. The USB adapter board is based on the FTDI FT232R, and includes power control.

Using the FTDI chip and their drivers presents a "virtual COM" port on the PC, and from there all the serial specifications apply.