Page
41
6.3
Alarm
Menu
The
Alarm
menu
is
located
on
the
right
of
the
Settings
screen.
When
you
click
on
the
word
“Alarm”,
a
sub
‐
menu
of
alarm
setup
options
will
be
displayed.
6.31
Digital
I/O
Setup
(Y
‐
cam
Bullet
Only)
This
menu
refers
to
the
Digital
I/O
found
on
the
Y
‐
cam
Bullet.
The
4
‐
pin
I/O
terminal
connector
provides
the
interface
to:
1
digital
input,
1
digital
output,
auxiliary
power
and
GND
(ground)
Pin
Function
Description
4
GND
Common
Ground
3
Digital
Input
Connect
to
GND
to
activate,
or
deactivate
by
software
setting.
2
Digital
Output
With
a
maximum
load
of
1A
and
maximum
voltage
of
60VDC,
this
output
uses
an
open
‐
collector
NPN
Darlington
transistor
with
the
emitter
connected
to
the
GND
pin.
If
used
with
an
external
relay
a
diode
must
be
connected
in
parallel
with
the
load
for
protection
against
voltage
transients.
1
Auxiliary
DC
Power
12V
DC
max.
Electrically
connected
in
parallel
with
the
connector
for
the
PS
‐
L
power
adapter,
this
pin
provides
an
auxiliary
connector
for
power
to
the
unit.
This
pin
can
also
be
used
to
power
auxiliary
equipment,
max
40mA.
Wiring
Diagram
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