Short info: Moxa CP-104EL-A - Serial Adapter - PCIe Low-Profile - RS-232 x 4 Group Network Adapters Manufacturer Moxa Product Type. No. CP-104EL-A-DB9M Model CP-104EL-A EAN/UPC Product Description: Moxa CP-104EL-A - Serial Adapter Device Type Serial Adapter Form Factor Plug-in Card - Low-Profile Interface Type (Bus Type) PCI Express x1 Ports RS-232 x 4 Data Link Protocol RS-232 Data Transfer Rate 921.6 Kbps System Requirements UnixWare 7, SCO OpenServer 5, Microsoft Windows 2000, QNX, FreeBSD, Microsoft Windows XP, Linux 2.4, Microsoft Windows XP Embedded, Microsoft Windows Server 2003, Linux 2.6, Microsoft Windows CE 5.0, SCO OpenServer 6, Microsoft Windows Vista (32/64 bits) Detailed specifications General Information Device type Serial adapter Form factor Plug-in card - low-profile Interface type (bus type) PCI Express x1 Network ports RS-232 x 4 Connection method Wired Data Link Protocol RS-232 Data transfer rate 921.6 Kbps Extension/connectivity Interfaces 4 x RS-232.