Industrial Class Electromagnetic Isolated Converter RS-232 TO RS-485/RS-422
Part number: ATC-105N
In Stock : Available
User's Manual
Driver & software

ATC-105N electromagnetic isolated interface converter.capable of RS-232 signal converter RS-422 or RS-485 signals.Very suitable to work in harsh electrical environments, or frequent plug RS-232 cable for the occasion; application iCoupler & reg technology can be simultaneously used to isolate the logic signals and integrated isoPower isolated DC-DC ATC-105N can provide total isolation solution provides 2500V isolation voltage.TVS can effectively inhibit the Lightning and ESD on RS-485 bus line.

 ATC-105N electromagnetic Isolated Interface Converter can provide credible connection for point to point, point to multi-point communication.The point to multi-point allows connecting 128 RS-422 or RS-485 interface devices with data transmission speed of 0-460KBPS. The 3 power supply and data flow indication light can indicate malfunction. It supports communication modes including RS-232C to RS-422, RS-232 to RS-485 conversion.


  • Point to point, point to multi-point communication
  • Industrial distribution system, industrial control automation
  • Road traffic control automation
  • Closed circuit monitoring
  • Security protection system
  • Intelligent card, check on work attendance gate safety system


Communication Parameters


Compatible with the EIA/TIA RS-232-C and RS-422 standard

Working Mode

Asynchronous half or full duplex

Transmission Speed


Transmission Media

Twisted-pair cable or shielded cable

Transmission Distance



Isolation voltage 2500VRMS 500VDC sequence

Protecting Grade

RS-232 interface 600W lightning strike and surge protection, RS-422, RS-485 interface 600W lightning strike and surge protection on each line

Electric Interface


RS-232C is DB9 Female


RS-422/RS-485 is four bit terminals

Physical Characteristics

Signal Indication

3 signal indication lights indicate TD RD and PWR

Power Supply

9-24V DC

Product Appearance

Plastic shell 76mmx54mmx23mm

Working Environment

-40℃ to 70℃, 5% to 95% relative humidity


1、product application

     Company products are widely used with the electric power, industrial control, telecommunications, commerce, banking, insurance, security, smart CARDS, and other industries, production and sales of the products of the company, supporting complete, cost-effective, timely and thoughtful service, products are exported to Taiwan, Hong Kong, South Korea, Thailand, the United States, Poland, Italy, Spain, Egypt, Russia, Norway, Singapore, Malaysia, Indonesia, and other national regions, well received by clients at home and abroad.


2、The connection instance figure