Dell PowerVault MD3420 - Manual (Page 29)

3. Secure the power cable using the strap.
Figure 19. Securing the Power Cable
1. restraining strap
CAUTION: When connecting the power cable, secure the cable with the strap.
NOTE: If the array is powered on, all the power supply LEDs remain off until the AC power
cable is connected to the power supply/cooling fan module and the power switch is turned on.
4. Turn on the power supply/cooling fan module.
Control Panel
Removing the Control Panel
1. Turn off the array and host server.
2. Disconnect all the power cables connected to the array.
3. Remove the hard drives from:
– slots 0 to 2 in PowerVaultMD3400.
– slots 0 to 5 in PowerVaultMD3420.
NOTE: Mark each hard drive with its slot position as you remove it.
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