Powering The Apollo - Keyprocessor Apollo Technical Manual

4.3 Powering the Apollo

Connected the 48VDC to the green 4-way screw connector at the back of the Apollo.
Apollo front:
Pin nr.
1 V+
2 No function
3 Earth connection
4 V-
When the 48VDC power is present and connected to the Apollo, the 12V and 24V LEDs will
become active immediately.
DC IN