Connect A Serial Rs232 (Db9) Device Using This Pc Serial Card. Supports 16C1050 Uart. Led Status Lights To Monitor Activity On The Pci Express Db9 Card - Use This Serial Interface Card To Connect Barcode Readers/Receipt Printers/Scales Plcs/Medical Devices. The Uart Pcie Card Can Supply 5V Or 12V Over Pin 9. Low Profile Bracket Included - This Card Is Ideal For It Applications E.G. Server Rooms/Industrial Control/Automation/Logistics/Labs. Continue Using Legacy Hardware With This Rs232 Pcie Card.