Atac Technology Co., Ltd.

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RS-232 (DB25) To RS-422/485 - Model: IC-485IP series

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Model: IC-485IP-1F

Model: IC-485IP-1M

Model: IC-485IP-2


The IC-485IP interface converters allow full conversion between RS-232 and RS-485 hardware.  The IC-485IP series converters work without an external power supply.  All the units are very easy to implement.  Simply connect the appropriate interface cable and select the DCE/DTE type required with the function switches.




  • IC-485IP-1F:  DB25 (Female)
  • IC-485IP-1M: DB25 (Male)
  • IC-485IP-2:   DB25 (Female)


  • IC-485IP-1F/1M: 4-screw Terminal
  • IC-485IP-2:        RJ-45 Female

DCE/DTE Switch: DCE/DTE device setting selectable

SIM/MON Switch:

  • IC-485IP-1F/1M: SIMulation/MONitor selectable
  • IC-485IP-2:        SIMulation only

RTS/CTS control: RTS/CTS control Full/Half duplex

LED Indicators: TD/RD/External DC power

Power Consumption: Interface powered, DC9V 300mA power acceptable

Baud Rate: Up to 128 Kbps

Housing: Plastic


  • IC-485IP-1F:  60g
  • IC-485IP-1M: 57g
  • IC-485IP-2:   47g


  • IC-485IP-1F/1M: 76 x 54 x 20 mm (L x W x H)
  • IC-485IP-2:        56 x 53 x 20 mm (L x W x H)

Ordering Information

IC-485IP-1F RS232 DB25 Female. RS485 4-screw Terminal Block
IC-485IP-1M RS232 DB25 Male. RS485 4-screw Terminal Block



RS232 DB25 Female. RS485 RJ45 Female