CoStar/DYMO LabelWriter RS-232

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connector or cable wiring Used on the DYMO/CoStar LabelWriter thermal printers that connect through RS-232.

6 pin RJ12 (6P6C) male connector layout 6 pin RJ12 (6P6C) male connector to the LabelWriter

9 pin D-SUB female connector diagram 9 pin D-SUB female connector to the computer

LabelWriter Name LabelWriter Pin Direction computer Pin computer Name Description
CTS 1 8 CTS Clear to send
TXD 2 3 TXD Transmit (to LabelWriter)
RXD 3 2 RXD Receive (from LabelWriter)
GND 4 5 GND Ground
RTS 5 7 RTS Request to send
DSR 6 6 DSR Data set ready


  • This pinout comes from the cable that came with a CoStar LabelWriter XL Plus, tested with a multimeter.


Category:Miscellaneous Cables


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