Dell PowerEdge 1900 - Manual (Page 67)

Installing System Components
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7 Close the system. See "Closing the System" on page 48.
8 Replace the bezel, if removed. See "Installing the Bezel" on page 47.
9 Connect the power cable to the power supply and the power outlet.
Internal Tape Backup Unit
Your system can accommodate an optional SCSI internal tape backup unit.
Removing an Internal SCSI Tape Backup Unit
CAUTION:
Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
1 Turn off the system, including any attached peripherals, and disconnect the system from the electrical
outlet.
2 Remove the front bezel, if attached. See "Removing the Bezel" on page 46.
3 Open the system. See "Opening the System" on page 48.
4 If applicable, disconnect the cables from the SAS RAID controller daughter card or SAS controller card
and pull the cables out of the way of the center fans. See "Removing the SAS RAID Controller
Daughter Card" on page 93 or "Removing an Expansion Card" on page 58.
5 Disconnect the tape backup SCSI cable from the optional SCSI controller card and pull the cable out
of the way of the center fans. See Figure 3-15.
6 Remove the fans from the center fan bracket. See "Removing and Installing a Fan" on page 53.
7 Remove the center fan bracket. See "Removing the Center Fan Bracket" on page 79.
8 Push the spring-loaded release latch on top of the peripheral bay to the right and eject the tape backup
unit partially out of the bay. See Figure 3-15.
9 Disconnect the SCSI cable from the back of the tape backup unit.
10 Remove the tape backup unit from the system.
11 If you are not replacing the tape backup unit, insert the filler plate over the empty drive slot. If you are
replacing the tape backup unit, see "Installing an Internal SCSI Tape Backup Unit" on page 68.
12 Replace the center fan bracket. See "Replacing the Center Fan Bracket" on page 79.
13 Replace the fans into the center fan bracket. See "Removing and Installing a Fan" on page 53.
14 If applicable, reconnect the cables to the SAS RAID controller daughter card or SCSI controller card.
See "Installing the SAS RAID Controller Daughter Card" on page 95.
15 Close the system. See "Closing the System" on page 48.
16 Replace the bezel, if removed. See "Installing the Bezel" on page 47.