HP Ballast Rack
© Copyright (2004-2006) Hewlett-Packard Development Company, L.P.
The information contained herein is subject to change without notice. The only
warranties for HP products and services are set forth in the express warranty
statements accompanying such products and services. Nothing herein should
be construed as constituting an additional warranty. HP shall not be liable for
technical or editorial errors or omissions contained herein.
July 2006 (Third Edition)
Part Number 142559-003
About this device
The HP Ballast Rack Option Kit provides additional stability
with single-rack installations.
This kit contains the following items:
Ballast assembly (2)
M6 screws (10)
Cage nuts (10)
This kit may contain extra hardware for your convenience.
The following tools are required for installation:
Cage nut insertion tool (included in your original rack
One of the following screwdrivers:
T-25 Torx driver
This symbol indicates that the
component exceeds the recommended
weight for one individual to
personal injury or damage to the
equipment, observe local occupational
health and safety requirements and
guidelines for manual
WARNING: To reduce the risk of personal
injury or damage to the equipment,
be sure that:
The leveling feet are extended to the
The full weight of the rack rests on the
The stabilizing feet are attached to the
rack if it is a single-rack installation.
The racks are coupled together in
Only one component is extended at a
time. A rack may become unstable if
more than one component is extended
for any reason.
To reduce the risk of