Installation26
2.3.2. Rack Installation
When installed in a rack enclosure, the GXT5 UPS and external battery cabinets (EBC) must be supported by
a shelf or rack-mount rails. Because dierent rack-mount options install in various ways, refer to the installation
instructions provided with the rack-mount kit.
CAUTION
The GXT5 is heavy. The UPS must be installed as near the bottom of a rack as possible. If placed too high, it can
make the rack top-heavy and prone to tipping over. For unit weights, see Specifications on page 105.
2.4. Installing External Battery Cabinets
Optional, external battery cabinets (EBC) may be connected in parallel to the UPS to provide additional battery
run time. For approximate battery run times with additional EBCs, see Battery Run Times on page 118.
External battery cabinets are placed on one side of the UPS in a tower conguration or stacked beneath the
UPS in a rack conguration. Up to 10 EBCs may be connected to the UPS, and up to 6 may be detected using
EBC-detection.
WARNING! Risk of electric shock
Can cause injury or death. Disconnect all local and remote electric power supplies before working with the UPS.
Ensure that the unit is shut down and power has been disconnected before beginning any maintenance.
CAUTION
The external battery cabinet(s) are heavy, see Specifications on page 105. Take proper precautions when lifting them.
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