101
4.10
Warning
The
switch
provides
several
types
of
Warning
features
for
you
to
remote
monitor
the
status
of
end
devices
or
the
change
of
your
network.
The
features
include
Fault
Relay,
System
Log
and
SMTP
E
‐
Alert.
Following
commands
are
included
in
this
group:
4.10.1
Fault
Relay
4.10.2
Event
Selection
4.10.3
Syslog
Configuration
4.10.4
SMTP
Configuration
4.10.5
CLI
Commands
4.10.1
Fault
Relay
The
switch
provides
2
digital
outputs,
also
known
as
Relay
Output.
The
relay
contacts
are
energized
(open)
for
normal
operation
and
will
close
under
fault
conditions.
Fault
conditions
include
DI
State
change,
Periodical
On/Off,
Power
Failure,
Ethernet
port
Link
Failure,
Ping
Failure
and
Super
Ring
Topology
Change.
You
can
configure
these
settings
in
this
Fault
Relay
Setting.
Each
Relay
can
be
assigned
1
fault
condition.
Relay
1:
Click
on
checkbox
of
the
Relay
1,
then
select
the
Event
Type
and
its
parameters.
Relay
2:
Click
on
checkbox
of
the
Relay
2,
then
select
the
Event
Type
and
its
parameters.
Event
Type:
DI
State,
Dry
Output,
Power
Failure,
Link
Failure,
Ping
Failure
and
Super
Ring
Failure.
Each
event
type
has
its
own
parameters.
You
should
also
configure
them.
Currently,
each
Relay
can
have
one
event
type.