EAX-Q77
User’s Manual
EAX-Q77
User’s Manual
25
2.6 Setting Jumpers & Connectors
2.6.1
Clear CMOS Jumper (CLR_CMOS)
Default
Clear CMOS
PINS
Signal
1
GND
2
-RTCRST
2.6.2
Serial Port 2 5V / 12V Power Select Jumper (JCOM2)
+5V
+12V
Ring
(Default)
Signal
PINS
Signal
VCC
1
2
RI2-/5V/12V
NRI2-
3
4
RI2-/5V/12V
+12V
5
6
RI2-/5V/12V