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21 Chapter2
2.6 Power Connection
The EKI-7758F supports dual +12 ~ 48 V
DC
power inputs and power-fail relay output.
Figure 2.8: Pin Assignment of the Power Connector
You can connect an alarm indicator, buzzer or other signaling equipment through the
relay output. The relay opens if power input 1, 2 fails or port link down/break (″Open″
means if you connect relay output with an LED, the light would be off).