Okay, I've got the Keyspan USB to serial adapter in my hands. I have another set of cables acquired from a Mac Plus also off the 'bay. I'm wondering if this cable will work to finish this connection off.

Mac128, would you mind looking at this and telling me if you think this will work or not?

http://farm4.static.flickr.com/3255/2329914538_99baaebba5_o.jpg