Lantronix SISTP1040-551-LRT SISTP1040-551-LRT Install Guide Rev B - Page 15

Alarm Relay Connection

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Lantronix SISTP1040-551-LRT Install Guide Alarm Relay Connection The alarm relay output contacts (ALM) are located in the middle of the DC terminal block connector as shown right and below. By inserting the wires and setting the DIP switch of the respective Port Alarm to "ON", the relay output alarm will detect any port failures and form a short circuit. The alarm relay is "Normal Open" and it will be "Closed" when any power failure is detected. The alarm relay output contacts have a current carrying capacity of 24VDC, 1Amp, via the 2-pin ALM terminal block. 33841 Rev. B https://www.lantronix.com/ Page 15 of 26

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Lantronix
SISTP1040-551-LRT Install Guide
33841 Rev. B
/
Page
15
of
26
Alarm Relay Connection
The alarm relay output contacts (ALM) are located in the middle of the
DC terminal block connector as shown right and below.
By inserting the wires and setting the DIP switch of the respective Port
Alarm to “ON”, the relay output alarm will detect any port failures and
form a short circuit.
The alarm relay is “Normal Open” and it will be “Closed” when any power
failure is detected. The alarm relay output contacts have a current carrying capacity of 24VDC, 1Amp, via the
2-pin ALM terminal block.