Multi Port Serial Cards and Converters

 

PCIe boards are currently not available due to discontinued chipsets!

 

RS-232

  • RS232 +/-12 volts nominal (3V min, 15V max) 3 Wires used, TRANSMIT (Tx), RECEIVE (Rx) and COMMON

  • This can only be used with a single device at each end of the wiring and is thus a One-to-One link

  • RS232 Boards

RS-422

  • RS422 differential Mode signalling using two pairs of wires, one pair in each direction +/- 200mV signal required at the receivers. Signalling levels at the transmitter of 0 and 5 Volts

  • Permits communication from one “master” device to many “slave” devices

  • RS422 - always uses separate pairs of wires for communication in each direction

  • Like RS232, but up to 1000m between RX an TX

  • RS-422 Boards

RS-485

  • RS485 Differential Mode signalling using either one or two pairs of wires +/- 200mV signal required at the receivers.

  • Signalling levels at the transmitter of 0 and 5 Volts.

  • RS485 - has a maximum of 32 Standard Loads per link.

  • RS485 - allows EITHER two pairs of wires for communication OR a single pair of wires for transmission in both directions.

  • More Information

Converter/Repeater

Cable and Addon

Information on ordering

  • All prices plus 19% VAT plus shipping
  • No sales to private consumers.
  • All rights reserved.