PCI-E to 4-port R232 expansion cardGold finger thickened gold plating design, scratch and wear resistant, more firm contact and more stable transmissionThe powerful chip adopts aszx AsiaInfo master control, with high-speed and stable transmissionSupporting 4-port RS-232 serial port cable, it can connect a variety of serial port devices, such as PC, terminal, modem, printer, scanner, etc. the data rate of each port can reach 115200kbpsPce4sop-a01 is a universal-purpose PCE serial port card, which is designed for POS, ATM and other applications. It can be used for industrial automation system manufacturing and system integration. Pceasop. - A01 provides four RS232 serial ports, which can connect a variety of serial port devices, such as PC, terminal, modem, printer, scanner, etc.Model: pec4s0p-a01Interface: pce-e 1x (compatible with 1X, 4x, 8x, 16x)Main control chip: Asix ax99100Output interface: DB25 to 4 ports DB9 R2322U small chassis: support, with half height baffleWorking environment: - 30-70 System support: WinXP win7 win8 win10 LinuxSingle-lane (X1) PCI Express End-point Controller with PHY integratedCompliant with PCI Express 2.0 Gen 1Compliant with PCI Express card specificationsCompliant with PCI Power Management 1.2Supports four PCI Express functionsSupports both legacy and MSI InterruptSupports ASPM Power ManagementSerial Port InterfaceDual or Quad UARTsBi-directional speeds up to 25 Mbps per portFull Serial Modem ControlSupports Hardware, Software Flow ControlSupports 5, 6, 7, 8 and 9-bit Serial formatSupports Even, Odd, None, Space and Mark paritySupports Custom baud rate by internal PLL or external clockSupports On Chip 256 Byte depth FIFOs in Transmit, Receive path of each Serial PortSupports remote wakeup and power management featuresSerial Port transceiver shutdown supportSupports multi-drop application for 9-bit modeSupports DMA burst transfercolour: blackMaterial: metalSize: 12.5x10.5x2.5CMPackage Contents:1 x R232 expansion card1 x Drive CD1 x DB25 to 4 DB9 data cablesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.