November 1, 2009
about 3 years ago
nod I was pretty sure the FTDI chip provides all the needed signals (in TTL format), but it’s up to the hardware (meaning the individual manufacturer) to make sure that the “right” connections and level conversions are provided to get those signals properly connected to the serial port side. I can imagine that it might save some money to skip the hardware needed to wire out all the flow control lines. I’m curious if this specific product has full HW flow control (which might or might not be true even if the FTDI chip supports it).
Looking at the pictures closely, I can just about make out the word “SABRENT” on the cable. Sabrent does indeed make an FTDI-based USB-to-serial cable (model # SBT-FTDI), but the manual on their website refers to their Prolific-based product, so it may or may not apply.
I’ve noticed that some products like this don’t connect all the flow control signals (RTS, CTS, DCD, etc.) but instead only connect RX, TX, and ground on the serial side. Does this cable support full hardware flow control?
No public wish lists :(
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