UT-7884 is a universal Mini PCI-E serial card designed for POS, ATM and other applications, which can be used in industrial automation system manufacturing and system integration.

UT-7884 provides 4 RS-485/422 serial ports, which can be connected to a variety of serial devices such as PC, terminal, modem, printer, scanner, etc. Each port can reach a data rate of 921.6Kbps and provides modem control signals to ensure the compatibility of serial device peripherals.

● Hardware Interface 

     Connection Type: 4 x 1.25T-9AB sockets

     BUS: X1 2.5Gbps PCI Express

● Signal

     RS-422: T/R+, T/R-, RXD+, RXD-, GND

     RS-485: Data+(A) Data-(B) GND

● Transmission rate: 300bps-921.6kbps

● Data bits: 5, 6, 7, 8

● Stop bits: 1, 1.5, 2

● Parity bits: None, Even, odd, Space, Mark

● Stream control: RTS/CTS, XON/XOFF

● Operating temperature: -40～85°C

● Support system: Win2000/XP/Vista/Win7/8/8.1/10/NT4.0/CE 4.2/5.0/6.0/Vxworks/ Linux 2.4.x/2.6.x

  DB9 pin type: RS-485/RS-422 output signal pin assignment (Port1-Port4)