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  • SUNIX - STD-1914SA



SUNIX STD-1914SA advanced media converter provides serial interface exchange between RS-232 to RS-422/485 and vice-versa. RS-232 hardware is a popular used and easy design interface in today's industrial environment and commercial application. However the drawback of RS-232 is the point to point characteristic and a distance limitation of 15 meters, SUNIX converter provides an ideal solution for extending RS-232 transmission distance and increasing networking capability. Users can use RS-232 devices to connect to an industrial RS-422 or RS-485 network and increase transmit data up to 1.2 kilometer by using a differential signal and multi-drop connections.


  • Industrial grade design for stability and reliability
  • Embedded ESD surge protection built-in
  • Optical isolation provides protection against damage from static electrical charge
  • Power surge protection provides protection against surge damage from high energy spike
  • Auto Tune feature provides automatic setup of communication protocol
  • RS-422/485 Auto Detect and Switch technology enable serial device plug-n-play without jumper or switch setting
  • RS-485 Auto RTS Signal Control (ARSC) technology allows accurate switching of the transmitter on and off for precise timing of the data transmission
  • RS-232 to RS-422/485 converter with RTS+/- CTS+/- support
  • RS-422/485 Handshaking Communication provides hardware flow control for best prevention of data error or data lost
  • Plug-in screw terminal block for easy RS-422/485 wiring
  • Plug-n-play & compact size designed


Description RS-232 to 422/485 compact size Media Converter with Surge
Communication -
Port1 RS-232(DB9) Female
Port2 RS-422/485 (4pin Terminal Block)
Distance 1.2km (RS-422/485)
Baud Rate 50 bps up to 460.8 Kbps
RS-232 Signals TxD, RxD, RTS, CTS, GND
RS-422/485 Signals RS-422 : TxD+, TxD-, RxD+, RxD-
4 Wire RS-485 : TxD+, TxD-, RxD+, RxD-
2 Wire RS-485 : Data+, Data-
Power -
Redundancy N/A
Connectors DC Jack
Consumption 20mA@5V
Input 5V
Protection -
Isolation N/A
Surge 400W for RS-422/485 meets IEC6001-4-5
Reverse Power N/A
Casing -
Casing Plastic
Environment -
Operating Temperature 0 to 60°C
Operating Humidity 5% to 95% RH
Storage Temperature -20 to 85°C
Regulatory Approvals -
EMC FCC Part 15, CISPR (EN55022) Class A, CE
Safety N/A
Shock / Vibration IEC60068-2-27, IEC60068-2-32 / IEC60068-2-6
Dimensions -
Dimensions 46 x 76 x 23mm (D x W x H)
Warranty 5 years

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