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DB9 Male to DB9 Female Null Modem Adaptor

Used to cross over pins 2 and 3 for connection from DD ports to a computer's RS232 port.

DB9 Female to DB9 Female Null Modem Adaptor

Used to connect two USB to Serial adaptors

DB9 Male to DB9 Male Null Modem Adaptor

Used to cross over pins 2 and 3 for connection from DD ports to 4-20 mA Converter's RS232 port.

DB9 Male / Female Serial Cables

Straight thru extension cables and null modem crossover serial cables for communication from indicators to computers and other devices.    DD...

USB Cable - 6FT Type A to Type B

USB cable used for DD700 to computer USB port, or Skynet 2050 to VKP80II printer