The option includes the following potential free signals:

1.    400 Hz On indicating that one or both outlets are activated.
2.    400 Hz Ready / Common Error that by means of a change over contact shows whether
       the GPU is operable or if a fault has been detected.
3.    Mains ON / Mains Failure that by means of a change over contact indicates whether the 
      mains supply   is acceptable or not.

Relay contact data: 8 A / 250 VAC - 8 A / 28 VDC - 0,28 A / 250 VDC