User ManualTable of ContentsImportant Safety Instructions51.0 Glossary of Symbols72.0 Introduction83.0 Major Components93.1 Transient Voltage Surge Suppression (TVSS) and EMI/RFI Filters93.2 Rectifier/Power Factor Correction (PFC) Circuit93.3 Inverter93.4 Battery Charger103.5 DC to DC Converter103.6 Battery103.7 Dynamic Bypass103.8 GXT 2U (Rear View)114.0 Installation124.1 Preparation124.2 Tower UPS Installation124.3 Rack-Mount UPS Conversion and Installation134.4 External Battery Cabinet Installation175.0 Controls and Indicators185.1 ON/Alarm Silence/Manual Battery Test Button185.2 Standby / Manual Bypass Button195.3 Load/Battery Level Indicators (4 Green, 1 Amber)195.4 Fault Indicator LED (Red)195.5 Bypass Indicator LED (Amber)195.6 UPS ON Indicator LED (Green)195.7 Battery Indicator LED (Amber)195.8 AC Input Indicator LED (Green)205.9 Output Voltage Selection206.0 Operating Instructions216.1 Normal Mode Operation216.2 Bypass Mode Operation216.3 Battery Mode Operation226.4 Battery Recharge Mode227.0 Communications237.1 Communications Interface Port237.2 Pins 4 & 5 - Remote Shutdown on Battery247.3 Pins 5 & 6 - Any-Mode Shutdown257.3.1 Auto-Enable Output257.3.2 Pin 6 Logic257.4 UPS Intelligent Communications268.0 Configuration Program278.1 GXT 2U Configuration Program Abilities278.1.1 What You Will Need279.0 Maintenance289.1 Battery Replacement289.1.1 Internal Battery Replacement Procedures299.2 Fuse Replacement3010.0 Troubleshooting31Table 1 Troubleshooting guide32Table 2 Alarm conditions3511.0 Specifications3612.0 Battery Cabinet Specifications3813.0 Battery Run Times3914.0 Product Warranty Registration40Size: 1.36 MBPages: 44Language: EnglishOpen manual