ExpressCard/34 with isolated 1 x RS485/422 port

34mm ExpressCard (x1).
1 x RS485- /RS422 port w/1 x DB9 male connector via short adapter cable.
16C750 compatible UART, from 300 bps to max 921.6 Kbps.
DIP switch for selection of RS485-2W, RS485-4W or RS422.
With optical isolation to protect connected equipment and PC.
Additional equipment can be purchased: DB9F-TERM5, terminal block with DB9 connector and pins 1 - 5 passed through