
APC-3918P User Manual
14. BT1:
POWER on/off Button, They are used to connect power switch button. The two pins
are
disconnected under normal condition. You may short them temporarily to realize
system
startup & shutdown or awaken the system from sleep state.
15. JCOM1:
(2.0mm Pitch 2x3 Pin Header),COM1 jumper setting, pin 1~6 are used to select signal out
of pin 9 of COM1 port.
COM1 RI (Ring Indicator)
(default)
16. COM1:
(Type DB9),Rear serial port, standard DB9 Male serial port is provided to make a
direct connection to serial devices. COM1 port is controlled by pins No.1~6 of
JCOM1,select output Signal RI or 5V or 12v, For details, please refer to description of
JCOM1.
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