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ECM-QM77 Quick Installation Guide

8 ECM-QM77 Quick Installation Guide

2.3 Setting Jumpers & Connectors

2.3.1 Clear CMOS (JBAT1)

* Default

Protect*

Clear CMOS

2.3.2 COM 1 pin 9 signal select (JRI1)

* Default

Ring*

+5V

+12V