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edge switch 2/16 service manual 3–35
Repair Information
b. The amber system error (ERR) LED on the switch front panel blinks
momentarily while the switch is tested.
c. The green LEDs associated with the Ethernet port blink momentarily while the
port is tested.
d. The green and amber LEDs associated with the ports blink momentarily while
the ports are tested.
4. After successful POST completion, the green power (PWR) LED remains
illuminated and all other LEDs extinguish.
5. If a POST error or other malfunction occurs, go to "MAP 0000: Start MAP" on
page -7 to isolate the problem.
NOTE: When powering on the switch after removing and replacing a faulty FRU, the amber
system error LED may remain illuminated. Clear the system error LED as part of the
replacement procedure.
Power-Off Procedure
To power-off the switch:
1. Notify the customer the switch is to be powered off. Ensure the customer’s system
administrator quiesces Fibre Channel frame traffic through the switch and sets
attached devices offline.
2. Set the switch offline ("Set Offline State" on page -38).
3. Turn off both power switches at the rear of the unit.
4. If servicing the switch, disconnect the power cord(s) from the input power module
at the rear of the switch. This step is not required when performing a power cycle.
Reset or IPL the Switch
A switch reset using the IML button (at the switch front panel) or IPL (at the product
manager application) are functionally equivalent. They:
• Perform partial power-on diagnostics, reset functional logic for the CTP card, and
load firmware from FLASH memory to random-access memory (RAM) without
powering off the switch.