You'll need a card with a serial port. Usually, an EDVIF card or an SFIC card is installed and programmed for SMDR output. Each of these cards provides an 8P8C jack for connections. There's a lot of configuration programming involved, stuff that's best left to experienced techs, so your best bet is to contact your dealer. Try the link at the top of the page, or if there's no luck there, try this link

Sometimes the thoughts in my head get so bored, they go for a stroll through my mouth. This is rarely a good thing.