Com1 dsub_ 9 signal selector (jri1) – Avalue OPM-CDV User Manual

Page 12

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OPM-CDV

12 OPM-CDV Quick Reference Guide

2.4.5

COM1 Dsub_ 9 signal selector (JRI1)

* Default

Ring*

+5V

+12V

Signal PIN PIN Signal

PS2

6

5

+12V

PS2

4

3

+5V

NRIA#

2

1

JNRIA#

Note: When switched to

“Ring”, the signal only works in RS-232 mode.

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