Diagnostics
•The
•AC power distribution in the switch failed, or AC power was disconnected.
•The switch’s CTP failed. Because the CTP card is not a FRU, CTP failure requires replacing the switch.
YES NO
↓The switch appears operational.
12
Ensure the power switch is set to the Power On (1) position. Inspect the switch for indications of being powered on, such as:
•At the front panel, an illuminated PWR or ERR indicator.
•Green LEDs illuminated on the power supplies.
•Audio emanations and airflow from fans.
Does the switch appear powered on?
NO YES
↓Analysis for an Ethernet link or CTP card failure is not described in this MAP. Go to "MAP 0000: Start MAP" on page
13
Verify facility AC power connections.
a.Ensure both AC power cords (PS0 and PS1) are connected to the rear of the switch and to facility power receptacles. If not, connect the cords as directed by the customer.
b.Ensure associated facility circuit breakers are on. If not, ask the customer set the circuit breakers on.
c.Ensure the AC power cords are not damaged. If damaged, replace the cords. Was a corrective action performed?
YES NO
↓Go to step 15.
14
Verify operation of both power supplies.