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MX240 AC Power Supply LEDs
Each AC power supply faceplate contains three LEDs that indicate the status of the power supply (see Table 1). The power supply status is also reflected in two LEDs on the craft interface (see Power Supply LEDs on the MX240 Craft Interface).In addition, a power supply failure triggers the red alarm LED on the craft interface.
Table 1: AC Power Supply LEDs
Label | Color | State | Description |
|---|---|---|---|
AC OK | Yellow | Off | AC power input voltage is below 78 VAC. |
Green | On | AC power input voltage is within 78–264 VAC. | |
DC OK | Green | Off | DC power outputs generated by the power supply are not within the normal operating ranges. |
On | DC power outputs generated by the power supply are within the normal operating ranges. | ||
PS FAIL | Red | Off | Power supply is functioning normally. |
On | Power supply is not functioning normally and its output voltage is out of regulation limits. Check AC OK and DC OK LEDs for more information. |
