Before I throw my old MIDI interface cable away I want to make sure its not pilot error.

3 cords on the interface: MIDI IN, MIDI OUT, and USB.

I plug MIDI IN of the interface cable into MIDI OUT of my Yamaha PSR 270 MIDI keyboard. I plug MIDI OUT of the interface cable
into MIDI IN of the keyboard. (Keyboard's MIDI OUT port works fine- I tested it with a Roland Sound Canvas)

I plug the interface cable USB into my laptop USB port running Wiindows 10 (Dell Latitude 5501)

When I bring up BIAB in my laptop and go to Options>MIDI/audio Driver Setup, I do not see any driver in the MIDI input column. It
appears Windows doesn't recognize the interface cable plugged into it.

I also don't see any indication of MIDI coming into BIAB when I play keys on the keyboard. And none of the green, red, yellow lights on the
interface ever light up either when sitting there or when I depress keyboard keys.

I assume the interface cable is class compliant and I do not need to install any driver. I can't anyway because there is absolutely NO
indication on the interface cable who the manufacturer is. (It looks exactly like the other brand interface cables that have a treble
cleff drawn on them).

So... what am I doing wrong ? Is there any other way to test this interface cable ? Or does it seem its toast and should go in the
trash bin ? (I'm hearing taps...)

Newbie Bob