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StarTech IC485S RS-232 to RS485/422 Serial Converter
  • StarTech IC485S RS-232 to RS485/422 Serial Converter
  • StarTech IC485S RS-232 to RS485/422 Serial Converter
  • StarTech IC485S RS-232 to RS485/422 Serial Converter
  • StarTech IC485S RS-232 to RS485/422 Serial Converter
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StarTech IC485S RS-232 to RS485/422 Serial Converter


Item #: ST-IC485S   •   MFG #: IC485S


List Price:$49.99
Our Price:$47.95

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Availability: Usually ships in 3-10 business days
This item is currently out of stock and will ship the minute we receive it – normally 3-10 business days. Need it sooner? Call 800-522-2025 and we'll make it happen,or email Customer Service for expedited delivery options. Certain Non-Stock Items Valued over $50.00 may Ship FREE UPS GROUND in the Continental US. Multiple quantities of the same non-Stock Item Valued below $50.00 may be ordered to meet the $50 minimum order requirement to qualify for Free UPS Ground Freight. This offer does not apply to certain freight-intensive or hazardous items. Certain restrictions may apply.



    IC485S [IC485SIS] converts RS-232 serial interfaces to RS-485/422 serial interfaces for trouble-free data transmission. This 2-in-1 converter converts RS232C to either the RS-485 or RS-422 interface, and is DCE/DTE mode selectable at the flip of a switch, making it easy to change line signals!

    The RS232 serial interface converter offers several convenient features including mode selection, point-to-point multidrop configuration and RS 485/422 monitor mode, and is constructed of high grade plastic for enhanced durability. The converter supports connections of up to 4000 ft, with data transfer rates of up to 1MB/sec.

    Suitable for a broad range of operating environments, this adapter includes an optional 9V power adapter or can draw power on its own, and is backed by's 2-year warranty and FREE lifetime tech support.

    • Features

      • Draws power from connection or uses 9V power adapter (included)
      • Durable plastic construction protects interior components
      • Full or half duplex operation
      • Monitor mode allows read only
      • Can be used to monitor RS-485/422 signals
      • Supports point-to-point multidrop configuration
      • Handy DCE/DTE mode selection switch
      • Supports up to 4000 ft cable length
      • 2-year warranty and FREE LIFETIME technical support
    • Specifications

      • Warranty 2 Years
      • Center Tip Polarity Positive
      • Color Gray
      • Connector Type(s) 1 - DB-25 (25 pin; D-Sub) Female
      • Connector Type(s) 1 - RJ-11 Female
      • Connector Type(s) 1 - Terminal Block (4 Wire)
      • Maximum Data Transfer Rate 1MB/sec
      • Output Current 0.3 A
      • Output Voltage 9 DC
      • Plug Type M
      • Ports 1
      • Power Adapter Included Yes
      • Product Height 0.75 in [19 mm]
      • Product Length 2.68 in [68 mm]
      • Product Weight 1.66 oz [47 g]
      • Product Width 2.13 in [54 mm]
      • Serial Protocol RS-422/485
      • Shipping (Package) Weight 0.86 lb [0.4 kg]
      • Maximum Cable Length 4000 ft [1219.5 m]

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