PCI- Express-4 Port (Rs422/485) Serial Controller Card

SKU: ER1029 Category: Tags: , ,

Product Overview

  • This High-Performance card adds four RS422/485 Serial Ports to your PC intended to be use with serial networking/monitoring equipment, data acquisition system, POS industrial terminal PC, add on I/O cards-serial/USB, and embedded systems for I/O expansions.
  • RS485 signals: DATA+ (B), DATA- (A), GND.
  • RS422 signal: T/R+, T/R-, RXD+, RXD-, GND.
  • Each serial port can be configured individually to any interface type.
  • 600W surge protection, 15 kV ESD protection for all serial ports.
  • Working mode: asynchronous working point-to-point or point-to-multipoint 2 wires (half-duplex) 4 wires (full-duplex).
  • Transmission distance: RS-485/422 port:1.2km (300bps-921600bps).
  • Sleep mode with wake-up Indicator.
  • Transmission media: twisted-pair cable or shielded cable.
  • Direction control: Adopt the technology which automatically controls the data-flow direction automatically distinguish and control the data transmission direction.
  • 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.
  • Load capability; Support point-to-multipoint transmission. Each converter can connect 32 RS-422 or RS-485 interface equipment.


  • Next-generation Point-of-Sale Systems
  • Remote Access Servers
  • Storage Network Management
  • Factory Automation and Process Control
  • Retail Point of Sale: Cash registers, receipt printers, bar code scanners, etc. need to be connected to back office servers.
  • Medical: Connect bed-side health monitors in hospitals to central nurse stations.
  • Transportation: Connect Automatic Vehicle Identification (AVI) Equipment, Radar, Infrared Vehicle Scanners, Receipt printers and message signs in Toll Collection Systems.
  • Manufacturing: Access serial devices for factory, industrial and warehouse automation.
  • Kiosks: Connect internal modems, touch screens, receipt printers, keyboards, etc inside coin counting machines, gas station pay stations and airport check-ins.
  • Education: Access control (door entry) systems with 100’s card and/or badge readers, monitor computer room usage.
  • Connect modem pools for remote access dial-in/dial-out.


SKU CodeER1029
Product modelPCI-Express 4-port (RS-422/485, DB-9) Serial Controller Card
ChipsetXR17V354 chipset
Form FactorPlug-in Card with Small Form Factor Support
Small/Low Profile BracketProvided
PCIe Specification RevisionPCIe 2.0 Gen 1 compliant
Input Bus InterfaceSupports x1, x2, x4, x8, x16
Output Interface4 x RS422/485 Serial Ports
Data Transfer Rate2.5Gbps in each direction
Operating Temperature-40 to 85⁰C
Dimensions 98 x 65 x 18 mm
Weight110 g
System supportedWindows 10, 8.1, 8, 7, Vista, XP, 2000, NT 4.0, Server 2003 Linux kernel 2.6 or later, DOS
Warranty*1 year


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