User's Manual

Jotron AS| TR7750C: Operators Manual Functional description
Page 3-13
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3.5 PSU-7002, Power Supply Unit, frontview
Indicators:
AC: Operating on AC
ON: ON (DC output)
Figure 3.5-1, PSU-7002, front view
3.5.1 LED Indicators
AC (yellow): Indicates that AC is present, and that the unit currently is operating on the
main AC power supply.
ON (green): Indicates that the PSU is ON and delivers DC on its output.
The DC is either derived from the main AC input (shown by the AC indicator),
or from the backup DC input (AC indicator dark).