21
Pin assignment of Power input
Redundant Power Input
The power input can be supported redundantly. The supply voltage is
electrically isolated from the housing.
Note: With single power supply of the mains voltage, the device will
report a power failure. You can disable this power fail event via web
browser.
Pin assignment of alarm relay
A break in contact is reported via the relay contact :
The failure of at least one of the two supply voltages.
The break link status of at least one switch port.