Dell Force10 E1200i Installing and Maintaining the E1200i System - Page 39

A power supply blank is installed in any empty slot., Six fan trays are installed.

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• A power supply blank is installed in any empty slot. • Six fan trays are installed. To test the power supplies and fan trays: Step Task 1 With the fan trays and DC PEMs installed, power on the system. • Flip the over-current protector (located on the PEM front panel) to the ON position. 2 PEM Status LEDs should be green. If an LED is not lit or is amber, check that the unit is properly installed. Verify the power source. If the LED remains unlit, power off all modules and replace the unit. 3 All six fan tray LEDs should be green (online). Verify that air is flowing through the chassis. If a fan tray is not operating properly or air is not flowing through the chassis, power off the chassis at the remote power source. Ensure that all fan trays are properly installed. Verify the remote power source. If a fan tray LED remains unlit, replace the fan tray. 4 After you have verified the power and fan operability, power off the chassis to continue the installation process. 5 De-energize the Main Disconnect and flip the over-current protector to the OFF position. 6 Verify that the LEDs are not lit. Installing DC Power Supplies | 39

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Installing DC Power Supplies
|
39
•
A power supply blank is installed in any empty slot.
•
Six fan trays are installed.
To test the power supplies and fan trays:
Step
Task
1
With the fan trays and DC PEMs installed, power on the system.
•
Flip the over-current protector (located on the PEM front panel) to the ON position.
2
PEM Status LEDs should be green.
If an LED is not lit or is amber, check that the unit is properly installed. Verify the power source. If the LED
remains unlit, power off all modules and replace the unit.
3
All six fan tray LEDs should be green (online). Verify that air is flowing through the chassis.
If a fan tray is not operating properly or air is not flowing through the chassis, power off the chassis at the remote
power source. Ensure that all fan trays are properly installed. Verify the remote power source. If a fan tray LED
remains unlit, replace the fan tray.
4
After you have verified the power and fan operability, power off the chassis to continue the installation process.
5
De-energize the Main Disconnect and flip the over-current protector to the OFF position.
6
Verify that the LEDs are not lit.