121
Off
Period
(Sec)
:
Type
the
period
time
to
turn
off
Relay
Output.
Available
range
of
a
period
is
0
‐
4294967295
seconds.
How
to
configure
:
Type
turn
‐
on
period
and
turn
‐
off
period
when
the
time
is
reached,
the
system
will
turn
on
or
off
the
Relay
Output.
How
to
turn
On/Off
the
other
device
:
Type
“1”
into
the
“On
period”
field
and
“0”
into
“Off
Period”
field
and
apply
the
setting,
the
relaywill
be
trigger
to
form
as
a
close
circuit.
To
turn
off
the
relay,
just
type
“0”
into
the
“On
period”
field
and
“1”
into
“Off
Period”
field
and
apply
the
setting,
the
relay
will
be
trigger
to
form
as
a
open
circuit.
This
function
is
also
available
in
CLI,
SNMP
management
interface.
See
the
following
setting.
Event
Type:
Power
Failure
Power
ID:
Select
Power
AC
,
Power
DC1,
Power
DC2
or
Any
you
want
to
monitor.
When
the
power
is
shut
down
or
broken,
the
system
will
short
Relay
Out
and
light
the
Alarm
LED.
Event
Type:
Link
Failure
Link:
Select
the
port
ID
you
want
to
monitor.
How
to
configure:
Select
the
checkbox
of
the
Ethernet
ports
you
want
to
monitor.
You
can
select
one
or
multiple
ports.
When
the
selected
ports
are
physicly
down
,
the
system
will
short
Relay
Output
and
light
the
Alarm
LED.
Turn
on
the
relay
output
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