Avalue EPS-QM87 - Manual (Page 18)

EPS-QM87
18 EPS-QM87 Quick Reference Guide
2.4.3 Serial port 1~8 pin9 signal selector (JRI1~8)
* Default
Ring*
+5V
+12V
2.4.4 SIO ADDRESS selector (J1218SEL1)
*Default
For ESM-QM87*
For ESM-QM77
J
R
I5
J
R
I6
J
R
I7
2 J
R
I8
JRI1
JRI3
JRI4
JRI2