Interlogix MC352-4P-2S - Manual (Page 14)

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2.1.5 Wiring the Fault Alarm Contact
The fault alarm contacts are in the middle of the terminal block connector as the picture shows below.
Inserting the wires, the Industrial Gigabit PoE+ Switch will detect the fault status of the power failure, or
port link failure (available for managed model) and then forms an open circuit. The following illustration
shows an application example for wiring the fault alarm contacts.
1 2 3 4 5 6
1. The wire gauge for the terminal block should be in the range between 12 ~ 24 AWG.
2. Alarm relay circuit accepts up to 30V, max. 3A currents.
Insert the wires into the fault alarm contacts