Attention: Both support rails are shipped with three screws and spacers, called alignment pins, already installed at the front of each rail. They have been inserted in the front of each support rail as guides to indicate where not to use M6 screws when you attach the front of the support rail to the rack cabinet. See Figure 11.
Alignment pins with spacers
1
2
Alignment pin without spacer
3
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Figure 11. Alignment pins with and without spacers
Depending on which type of rack mounting flange is present on your rack cabinet, you might have to remove some or all of the spacers. For example, if the rack cabinet in which you are installing the support rails has round holes, you will need to remove the spacers from the top and bottom alignment pins so that the rail sits flush with the rack cabinet. See Table 11.
Table 11. Alignment pin requirements for different rack flange hole types
Rack flange type | Pins to remove |
|
|
Square hole | None |
|
|
Round hole | 1 and 3 |
|
|
Threaded hole | All |
|
|
4.The
Attention: Use the rack mounting template provided in Figure 9 on page 21 and Figure 10 on page 22 to locate the proper rack mounting holes for installing the support rails into the rack cabinet.
Note the following considerations before you choose where to install the rails: v If you are installing the DS4100 into an empty rack, install it into the lowest
available position so that the rack does not become unstable.
vIf you are installing more than one DS4100 in the rack, start at the lowest available position, and work upward.
vIf appropriate, allow for possible later installation of other units.
vIf necessary, remove the rack power distribution unit before you install the support rails.
vFor procedures and more information, refer to the installation and service
guide, or equivalent, for the rack cabinet.
Chapter 2. Installing the storage server 23
