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Identifying problems using LEDs
The LEDs are part of the light-path diagnostics built into the NAS 200 engine. The
LEDs help you identify the type of system error that occurred. See the following
sections for more information.
Power-supply LEDs
The AC and DC power LEDs on the power supply provide status information about
the power supply.
Table 3 on page 49 describes the AC and DC power LEDs.
Note: The minimum configuration required for the DC good light to come on is:
v Power supply
v Power backplane
v System board (with pins 2 and 3 on J23 extension cable connected
together to bypass the power switch.
48 NAS 200 User’s Reference