DB9 Male to DB9 Male Null Modem Adaptor
https://www.b-tek.com/products/parts-accessories/hardware-and-accessories/connectors/899-100227
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Product Code:
899-100227
Used to cross over pins 2 and 3 for connection from DD ports to 4-20 mA Converter's RS232 port.
Used to cross over pins 2 and 3 for connection from DD ports to 4-20 mA Converter's RS232 port.
