Part #: 1-2405141 | MFG Part #: PS74ADF-SERIAL-CARD
4-Port PCIe Serial Card features on-board DIP switches allowing each DB9 port to operate in RS-232/RS-422/RS-485 independently; Jumpers provide the option of 12V/5V/RI @ 1.5A per port; Includes Low-Profile Brackets; Supports Windows/Linux