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Wiring the Alarm Relay Output
The switch has a built-in alarm-relay for port link and power events
notifications. The relay contacts are normally open and remain open
when there is no failure event. The relay contacts close when there is a
failure event to notify.
The failure events are selectable and enabled using the DIP switch on
the switch. The relay contacts of the switch is rated for a maximum of
1.0A at 24VDC.
1.
Insert positive and negative wires into V+ and V-.
2.
Tighten the wire-clamp screws to prevent the wires from coming
loose.
WARNING - Exposure to some chemicals may degrade the
sealing properties of materials used in the sealed relay
Setting the Dip Switch
Switch Status Description
1 to 8
ON
(Port)
OFF
9
ON
(Power)
OFF
Maximum 0.5A/24VDC
Maximum 1.0A/24VDC
Alm
PW1
PW2
Alarm Control
port 1~8
Enables port link down alarm for the corresponding port
Disables port link down alarm for the corresponding
port
Enables the power failure alarm
Disables the power failure alarm
Alarm
System
Extra Power
System
power
4
1
3
4
5
2
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