PCI MCS9865 Dual RS422/RS485 Convertor Card

PCI to RS422/RS485 Convertor is a universal converter of PCI to RS485/RS422, which is without addition power supply, compatible with PCI, RS422, RS485 standards

  • PO: ST328
  • P/N: SP-SL9865A-2S
  • Chipset: MCS9865CV-AA
  • Host Bus: PCI
  • Interface: RS-422,RS-485
  • Date rate: 38400bps at 600M . 9600bps at 1.2KM


Overview

PCI to RS422/RS485 Convertor is a universal converter of PCI to RS485/RS422, which is without addition power supply, compatible with PCI, RS422, RS485 standards. It can convert PCI signals to a balanced differential RS422 or RS485 signals. Each line has surge protection, and various surge voltage protections. The tiny capacitance distance guarantees RS422 / RS485 interface of high-speed transmission. RS422, RS485 connect by RJ45 and DB9 interface. Converter with zero delay automatic transceiver inside, unique I/O circuit automatically control data flow direction, without any handshake signals (such as RTS, DTR,etc.) and jumpers set realize full-duplex, half-duplex mode conversion, plug and play. Ensure the product fix for all existing communication software and hardware interface.


Function

PCI TO RS422/RS485 convertor supports four communication modes: 

1. Point-to-point / 4-line full-duplex

2. Point-to-multi point / 4-line full-duplex

3. Point-to-point / 2-line half-duplex

4. Point-to-multi point / 2-line half-duplex


When the convertor is working at full-duplex or half-duplex, 

needs to add a matched resistance to avoid reflects and disturbance of signal. ( 120Ω , 1/4W )



Hardware Installation

Please read carefully product manual before install PCI to RS422/RS485 converter, then insert PCI Card which attached to USB port. This product use USB/DB - 9, general connectors for input/output interface without jumpers, automatically identify RS422 or RS485 communication mode. Fit for twisted-pair cable or shielding wire connection, very convenient to disassemble. Point-to-point, point to more, full-duplex communication that connect four wire T/R +, T/R - and RXD +, RXD -, point-to-point, point to more, half-duplex communication that connect two lines T/R +, T/R -.






Basic Features
Main ChipsetMCS9865CV-AA
Bus TypePCI Specification Revision 2.1 compliant ,  Compliant with RS422/485 standard
Band Rate75 128000bps, automatically detects serial signal rate
InterfaceDB-9 Male
Transmission mediaTwisted-pair or shielded wire
Transmission rate38400bps at 600M ,  9600bps at 1.2KM
Transmission range1200meter of RS422/485

Working mode

Asynchronous working, Point-to-point or Point-to-more, Full duplex 4-Line, half duplex 2-Line

Support for the free switching RS485. RS422 Mode

RS422 signal

T/R+、T/R-、RXD+、RXD、GND

RS485 signalT/R+、T/R、GND
Load capacitySupport to more each converter allows connecting 32 RS422 interface RS485 or equipment
Each serial signal for an additional TVS transient diode, which can prevent the following 400W surge signal crosstalk, improve communication stability.
System RequirementsWindows 98 / ME / Server 2000 / XP / Vista / Win 7 / Win 8 ,  Linux ,  MAC
Operating temperature-25 ℃ to 70 ℃
Storage humidityat 5% to 95%


1 x PCI MCS9865 RS422/RS485 Convertor card

2 x DB9 to 6-pin connectors

1 x Driver CD

1 x User’s Manual

1 x Low Profile Bracket


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