Feature: 1. Data transmission is up to 115200bps. And such expansion card is compatible with standard IEEE 1284 parallel port. 2. Supports SPP/Byte/ECP mode, the riser card works to provide 2 sets of 9 pin RS 232 modules. 3. RS-232 Pin 1/Pin 9 can be set to power supply voltage. And such adapter card supports exquisite craftsmanship, light and practical 4. The installation of the converter card is simple, which does not require particularly complicated operations. 5. The expansion card can be connected with credit card machine/bill printer/barcode scanner, etc. Specifications: Item Type: Expansion Card Data Transmission: up to 115200bps Data Bit: 5, 6, 7, 8 Parity: None, Even, Odd, Space, Mark Stop Bit: 1, 2 Connectable : credit card machine / bill printer / barcode scanner, etc. Parallel Port: Compatible: IEEE 1284 standard parallel port Support: SPP/Byte/ECP mode Package List: 1 x Expansion Card 1 x Bezel 1 x Flat Cable