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VScom 200Ei-SI PCIex

2x RS232, RS422/485, optical isolation, surge protection

VScom 200Ei-Si PCIex, a 2 Port RS232, RS422/485 PCI Express x1 card, 16C950 UART
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The VScom 200Ei-SI PCIex is designed for RS232, RS422/485 industrial communication. It supports 2 independent RS232, RS422 or RS485 ports. Each port can be configured separate.
Available modes : RS232, RS422 fullduplex
RS485 full duplex (4 wire)
RS485 half duplex (2 wire) with and without echo.
In RS485 modes applications enable transmission by simply sending data.

This is done by ART (Automatic Receive Transmit control) intelligence.
The Transmitter is disabled exactly with the end of the last character sent. No modification is necessary in programs.
In addition, hardware flow control and built-in termination resistors guarantee data integrity.
Optical isolation and surge protection ara also available for RS232 Signals to deliver high reliability.
All of these features make VScom 200Ei - SI PCIex suitable for harsh industrial applications.
Optical isolated RS232 presents 200Ei-SI as a choice for medical environment.

Read the News Article…


  • Phased Out, no longer available
  • PCI Express x 1
  • 2x RS232, RS422/485
  • RS485 ART (Automatic Receive Transmit control)
  • RS485 in 3 operation modes
  • optical isolation, surge protection (also in RS232)
  • Compact board size (half-size)
  • Built-in termination resistors
  • Drivers for Windows 2000 to 7/2008R2

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  I/O controller
2x 16C950C, each with 128 bytes Tx/Rx FIFO
  Connector type
Male DB9
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  Bus interface
PCI Express x 1
  Serial interface
RS232, RS422 / 485
  No. of ports
RS232: TxD,RxD, CTS,RTS isolated and surge protected
RS422: Tx+/-,Rx+/-, RTS+/-,CTS+/-, GND
RS485: Data+/-, GND
  RS485 data control
ART (Automatic Receive Transmit control)
  Built-in termination resistor
RS422: 120 Ohm
RS485: 120 Ohm, DIP enable / disable
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RS232: up to 921.6Kbps
RS422/485: up to 3.6Mbps
  Max. no. of ports
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None, even, odd, space, mark
  Data bits
5, 6, 7, 8
  Stop bits
1, 1.5, 2
Assigned by System
  I/O address
Assigned by System
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Available modes
full duplex
full duplex
4 wire , full duplex
2 wire, half duplex, with echo
2 wire, half duplex, without echo
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Power and Environment
  Power requirement
430mA max.(+5V)
  Operation temp.
0°C - 55°C
80mm x 59mm
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Operating Systems supported
  Windows XP up to 7
VScom high performance serial driver, x86 and x64 Editions
  Server 2003 up to 2008 R2
VScom high performance serial driver, x86 and x64 Editions
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Ordering Information
VScom 200Ei - SI PCIex
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  Packing list
VScom 200Ei - SI PCIex card
CD, English documentation
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  * Specifications are subject to change without notice.
  * All the trademarks and brands are property of their rightful owners.

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