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B+B SmartWorx RS-232 to RS-485 Converter

B+B SmartWorx RS-232 to RS-485 Converter
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General Information

The RS-232 to RS-485 Converter converts unbalanced, full-duplex RS-232 signals to balanced full-duplex (4-wire), or half-duplex (2-wire) RS-485 signals. RS-485 is an enhanced version of the RS-422 balanced line standard.

The RS-232 port has a female DB25S type of connector with pins 2 (TD input) and 3(RD output) supported. Protective Ground (pin 1) and Signal Ground (pin 7) are also passed through. Pins 4(RTS) and 5(CTS) are tied together. Also pins 6(DSR), 8(CD), and 20(DTR) are tied together, but not passed through the converter. The RS-485 port has a male DB25P type of connector with the Send Data outputs on pins 2 and 14, and Receive Data inputs on pins 3 and 16 or 5 and 17.

Technical Information
Adapter Type:Serial
Connector Type on First End:DB-25 RS-232 Serial - Female
Connector on First End Details:1 x 25-pin DB-25 RS-232 Serial Female
Connector Type on Second End:DB-25 RS-485 Serial - Male
Connector on Second End Details:1 x 25-pin DB-25 RS-485 Serial Male

Miscellaneous
Certifications & Standards:
  • CE
  • EN 50082-1 (IEC 801-2, IEC 801-3, IEC 801-4)
  • EN 50081-1 (EN 55022, IEC 1000-4-2)
  • EN 61000 (-4-2, -4-3, -4-4, -4-5, -4-6, -4-8, -4-11)
  • ENV 50204
  • EN 55024

Warranty
Limited Warranty:Lifetime

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

Special Order Item

This item ships directly from the manufacturer and is not stocked in our warehouse. If stock is available at the manufacturer, the item will ship directly to you, usually within 7 - 15 business days.

Once the order has been sent to the manufacturer it can no longer be canceled.

If payment is made via credit card it will be charged before the order is sent to the manufacturer.

You must contact the manufacturer directly regarding returns and defective items.

We will contact you by email if the item is sold out or backordered (and we were unable to update the site before you placed the order) or if the item will be delayed longer than expected.

We have no control over the speed of the manufacturer's order processing, or whether they will honor your request to ship the item by any particular method.



  • UPC: 835788113815 
  • Mfr's Part #: BB-485COSR