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.