This card does include the required breakout cable.
Replacement cables are availble in 25 pin
or 9 pin
This RS-422/485 PCI board from Quatech is the best solution for attaching up to 4 serial devices through a single-interrupt PCI card. Designed to play well with your PCI bus, this card will reduce PCI register conflicts. The additional cable will allow you to connect up to 4 RS-422/485 devices.
Quatech has gone the extra mile and included a clock multiplying feature on this card. This means you can get data rates up to 921.6 kbps. For maximum signal quality and reliability, a 4 layer board design is used. This card is the workhorse of the PCI Serial card scene.