keyspan card serial

[vinviovincio]

Hello to everybody,
I am new in this forum i hope it is the rigth site to ask my question:
I have an hold laboratory machine connected to a powermac g4 trough a mini serial cable. The Powermac macos 9 has this kind of card http://www.amazon.com/KeySpan-Pro-4Port-Serial-Card/dp/B0000512NY. Now I have to change the powermac with ohter that has not the serial card and I can't to take the old card. I searched the card in internet but it is impossible to find a similar item. Do naybody has some ides to make this connection? It is possible put another type of card and use an adaptor?
thak you in advance

[supernova777]

please rewrite your question + give more info
it is not clear what u are asking to do.. and with which machine
provide proper info to get proper help

thanks