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Steps
Align the optical drive with the optical drive slot on the front of the system.
Slide in the optical drive until the release tab snaps into place.
Figure 116. Installing the optical drive
Next steps
Connect the power and data cables to the connector on the optical drive and the connector on the system board.
NOTE:
Route the cable properly on the side of the system to prevent it from being pinched or crimped.
Follow the procedure listed in
Power supply units
The power supply unit (PSU) is an internal hardware component which supplies power to the components in the system.
Your system supports one of the following:
•
Two 1600 W, 1100 W, 750 W, or 495 W AC PSUs
•
Two 1100 W DC PSUs
•
Two 1100 W or 750 W Mixed Mode HVDC PSUs
NOTE:
For more information, see the Technical specifications section.
CAUTION:
If two PSUs are installed, both the PSUs must have the same type of label. For example, Extended Power
Performance (EPP) label. Mixing PSUs from previous generations of PowerEdge servers is not supported, even if the
PSUs have the same power rating. Mixing PSUs will result in mismatch condition or failure to turn the system on.
NOTE:
Titanium PSU is nominally rated for 200 V AC to 240 V AC input only.
NOTE:
When two identical PSUs are installed, power supply redundancy (1+1 – with redundancy or 2+0 – without
redundancy) is configured in system BIOS. In redundant mode, power is supplied to the system equally from both PSUs
when Hot Spare is disabled. When Hot Spare is enabled, one of the PSUs is put into the sleep mode when system
utilization is low in order to maximize efficiency.
NOTE:
If two PSUs are used, they must be of the same maximum output power.
Hot spare feature
Your system supports the hot spare feature that significantly reduces the power overhead associated with power supply unit (PSU)
redundancy.
When the hot spare feature is enabled, one of the redundant PSUs is switched to the sleep state. The active PSU supports 100 percent of
the system load, thus operating at higher efficiency. The PSU in the sleep state monitors output voltage of the active PSU. If the output
voltage of the active PSU drops, the PSU in the sleep state returns to an active output state.
After working inside your
system.
Installing and removing system components
153
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