Dell PowerVault MD1220 Hardware Owner's Manual - Page 24

Check the LED indicators on the front and back panel of the storage

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Figure 2-4. EMM Cabling Diagram in Split Mode two-host configuration host controller host controller single-host configuration host controller host controller 4 Using the enclosure mode switch, select the operating mode. CAUTION: To safeguard your storage enclosure against power problems, connect the AC power cable to a protected power supply, such as a UPS, line conditioner, or surge protector. If possible, connect the two power supplies to different circuits. 5 Connect power supplies to the power source. NOTE: Before connecting the power supplies, ensure that the power switch on both power supplies is in the OFF position. 6 Turn on the power switches on all power supply/cooling fan modules. 7 Turn on the host system. 8 Check the LED indicators on the front and back panel of the storage enclosure. If any of the LEDs are amber, see "Troubleshooting Your Enclosure" on page 49. 24 Operating Your Storage Enclosure

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24
Operating Your Storage Enclosure
Figure 2-4.
EMM Cabling Diagram in Split Mode
4
Using the enclosure mode switch, select the operating mode.
CAUTION:
To safeguard your storage enclosure against power problems,
connect the AC power cable to a protected power supply, such as a UPS, line
conditioner, or surge protector. If possible, connect the two power supplies to
different circuits.
5
Connect power supplies to the power source.
NOTE:
Before connecting the power supplies, ensure that the power switch
on both power supplies is in the OFF position.
6
Turn on the power switches on all power supply/cooling fan modules.
7
Turn on the host system.
8
Check the LED indicators on the front and back panel of the storage
enclosure
. If any of the LEDs are amber, see "Troubleshooting Your
Enclosure" on page 49.
host controller
two-host configuration
host controller
single-host configuration
host controller
host controller