Installing an R150 disk shelf using two-post mounting brackets

Installing the disk shelf

To install the disk shelf using two-post mounting brackets, complete the following steps.

WARNING
You must install each disk shelf with either the two Telco brackets or the center-of-gravity brackets that came with the rack mounting hardware kit in your shipment package. Do not ear-mount the R150 into a Telco-type rack without Telco support brackets; the R150 disk shelf will collapse from the rack under its own weight.

Step	Action
1	Put on the antistatic wrist strap and grounding leash.
2	If the disk shelf is...	Then...
	Part of a new R150 that you are installing	Install the storage engine and disk shelves according to the recommended component arrangement; see Rules for arranging the components in the rack.
	A replacement shelf	Carefully replace the previous shelf in the rack with the newer shelf; see Replacing a disk shelf in a rack.
3	Select two holes on each side of the rack for the installation.
4	If you are using the...	Then...
4	Mid-mount bracket kit	Select two holes in the middle of each side of the disk shelf to which you want to attach the brackets and secure the brackets with the #10 Phillips head screws. Align the holes on the rack to the holes on the bracket and secure the disk shelf to the rack with the mounting screws.
	The following illustration shows an R150 disk shelf with a mid-mount bracket installed.
	If you are using the...	Then...
	Rack mount kit	Align the rack mount kit to the holes. Note You might need another person to help hold the rack steady. Insert the mounting screws through the two inner holes of the mounting bracket. Tighten the screws so that the mounting bracket is firmly attached to the Telco rack. Repeat for the opposite mounting bracket.
	The following illustration shows the rear view of the rack mount kit being installed.
		Install the disk shelf onto the rack mount kit and retain it to the Telco-type rack.
	The following illustration shows an R150 disk shelf being attached using the rack mount kit.
5	Repeat the disk shelf installation for each disk shelf until five disk shelves are installed together from the bottom of the rack.
6	Go to Installing an R150 storage engine for instructions about installing the storage engine.
7	If you are installing a...	Then...
	12-TB system	Go to Step 8
	24-TB system	Repeat the disk shelf installations for the remaining four disk shelves above the storage engine.
8	Go to Connecting an R150 System.