The PCI Express RS422/RS485 Multi-Port I/O card is used EXAR’s high performance chipset 17V352,17V354.it is compliant to PCIe 2.0 Gen 1(2.5GT/s),ａnd it has two /four serial port each port has many enhanced features such as the 256-bytes TX and RX FIFOs, Programmable Fractional Baud Rate Generator, Automatic Hardware or Software Flow control, auto RS485 half-duplex direction control, with maximum 1.2kM transmission distance ,can support a variety of application scenarios.
Specification
● Compliant with PCI Express Specification Revision 2.0
● X1 link dual simplex .2.5Gbps in each direction
● Supports x1,x2,x4,x8 ,x16(lane)PCI Express slots
● RS485 Signal: T+(A),T-(B),GND
● RS422 Signal: T+,T-,R+,R-,GND
● 600W surge protection,15KV ESD protection for all serial ports
● Working mode: asynchronous working, point-to point or point-to-multipoint 2wires(half duplex),4wires(full duplex)
● Maximum up to 1.2KM transmission distance in RS485/RS422 mode(300bps-921600bps)
● Transmission media: twisted-pair cable or shielded cable
● Interface protection:600W surge protection,15KV ESD protection for all serial ports,2500Vrms magnetic coupling isolation voltage protection. high common-mode transient immunity :25KV/μs,1000V DC-DC power supply isolation module protection.
● UART interface support for 7 or 8 data bits,1 or 2 stop bits and Even/odd/ mark / space/none
● Flow control :none, hardware and Xon/Xoff
● Sleep mode with wake –up indicator
● Load capability: support point-to-multiport transmission, Each converter can connect 32 RS422 or RS-485 interface equipment
● Operating temperature range:-40 to 85℃
- OX-MSC622I-MSC624I
