SIIG DP 4-Port RS422/485 PCI Adapter Card with 15KV ESD protection Model ID-P40311-S1 Type: PCI to Serial Port Card External Ports: 4 x Serial Ports Data Transfer Rate: 921Kb/s Operating Systems Supported: Windows 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2003 & 2008(32-/64-bit) / Server 2008 R2 / 2000 Specifications: Chipset: Oxford OXuPCI954 Compliant with PCI 3.0 specification Compliant with Power Management 1.1 Full modem interface with hardware out of band flow control Deep 128-byte receive/transmit FIFOs RS-422 & RS-485 auto detect and switch Automated Xon/Xoff in-band flow control Plug-n-Play, I/O address and IRQ assigned by BIOS Form factor: Full profile / Low profile Connector: 1x 44-pin, DB44, Female Fan out cable: - Length: 8.27 (21cm) - 1x 44-pin, DB44, Male - 4x 9-pin, DB9, Serial, RS-232, Male - Color: Black Environmental conditions: - Opera...