DB9-F pinout - sensors

RBR smart sensors use RS-232 patch cables for connecting to your computer and power supplies. Depending on the ordered configuration, your patch cable may have an embedded converter and either a USB connector or a DB9-F connector. 

Refer to RBR Cable Guide 0004897revG.pdf for available options. 

	Pin No.	RS-232 (0011822)
	1	N/C
	2	From the instrument (Tx)
	3	Into the instrument (Rx)
	4	N/C
	5	Drain/Ground
	6	Ground
	7	Auxiliary
	8-9	N/C