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Here is a nice 8 port breakout box from Dickens Data Systems - 8 ports of RS-232. At least I think it is RS232! Looking on the net seems to confirm this. Sorry, I do not have the card, but I bet they are around!
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.