Cognex DataMan 362X - RS-232 Connection Cable (CCB-M12 XDB9 Y-05)

5m RS-232 Connection Cable (CCB-M12XDB9Y-05)
You can clip unused wires short or use a tie made of non-conductive material to tie them back.
The figure on the left shows the plug on the device.
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Connections, Optics, and Lighting