Power Supply User Manual
Table Of Contents
- Important Safety Precautions
- Save These Instructions
- Glossary of Symbols
- 1.0 Product Description
- 2.0 Installation
- 2.1 Unpacking and Inspection
- 2.2 What’s Included
- 2.3 Preparation for Installation
- 2.4 Mechanical Installation
- 2.4.1 Tower Installation
- 2.4.2 Rack Installation
- Figure 11 Pulling inner member from each slide rail assembly
- Figure 12 Installing rear member of each slide rail assembly
- Figure 13 Installing front member of each slide rail assembly
- Figure 14 Fastening rear member and front member together
- Figure 15 Installing inner members
- Figure 16 Installing rack-mount handles
- Figure 17 Insert the UPS
- 2.5 Cable Connection
- 2.6 Connecting Communication Cables
- 3.0 Controls and Indicators
- 4.0 Operation
- 5.0 Communication
- 6.0 Maintenance
- 7.0 Troubleshooting
- 8.0 Battery Cabinet
- 9.0 Specifications
- Table 11 Specifications of GXT3-500RT120 - GXT3-1000RT120 and GXT3-1000MT120 UPS
- Table 12 Specifications of GXT3-1500RT120 - GXT3-3000RT120 and GXT3-3000RT208 UPS
- Table 13 Battery cabinet specifications
- Table 14 Operating temperature parameters
- Table 15 Battery run times
- 9.1 Product Warranty Registration

Product Description
5
1.3 Appearance and Components
1.3.1 Front Panel and Controls
The Liebert
®
GXT3
™
rack/tower and minitower models in various power ratings have the same
general appearance, controls and features (see Figure 1). The various rack/tower and minitower
models differ largely in the type of receptacles each has.
Figure 1 Liebert GXT3 rack/tower models—front view
The Liebert GXT3-1000MT120
™
has the same controls and features in a minitower arrangement (see
Figure 2).
Figure 2 Liebert GXT3 minitower—front view
1.3.2 Rear Panel Features
The rear panel of the Liebert GXT3 has these features:
•USB port
• Cooling fan
• Power output receptacles
• Input circuit breaker
• Liebert IntelliSlot
®
port
• Communication terminal block
• Input power cable
Operation and
Display Panel
Ventilation Slots
Operation and
Display Panel
Ventilation Slots