Fan-out Cable design gives more room for device connectors - Ports: 2x Serial Ports - MCS9901 Chipset - PCI-e Based True Serial Port - Complies with PCI-Express Specification Rev 1.0a - Complies to Expresscard/34 Standard Running on PCI-e Interface - Supports Plug & Play and Hot Plug Feature - Compatible with Industrial Standard 16C450/16C550 UART - On Chip 256-byte FIFO in Transmit and Receive Path of Each Port - Data Transfer Rate up to 250Kbps (2.5Gbps) on Each Port - Support Hardware and Software Flow Control - Supports 5-, 6-,7-,8-bit Serial Format - Supports Even, Odd, None, Space and Mark Parity - Supports 1 or 2 Stop Bit Operation