SI-PEX50103 PCIe x1 Card 2 DB25 Parallel +1 DB9 Serial Port Low Profile Bracket Support SPP EPP ECP RS232 RS485 RS422 Centronics

SI-PEX50103 is a multi-functional PCI Express x1 expansion adapter that integrates dual DB25 parallel ports and one DB9 serial port on a single card. It fully supports SPP, PS2, EPP, ECP parallel transmission modes as well as RS232, RS485, RS422 serial protocols with standard Centronics interface, perfectly connecting old parallel printers, barcode scanners, industrial sensors, POS terminals and serial industrial devices.

Equipped with a matched low-profile bracket, this card is compatible with both full-size tower chassis and slim mini desktops. It fits all motherboards with PCIe x1, x4, x8, x16 slots and works seamlessly with Dell, HP, Lenovo, ASUS, MSI, Gigabyte, Acer and self-assembled industrial computers. Adopting stable communication chip and anti-interference circuit design, it delivers reliable long-distance data transmission for office, retail POS and industrial automation scenarios. Plug and play with wide OS compatibility to meet legacy peripheral connection demands.