
EATON Powerware®5125 Two-in-One UPS (1000–1500 VA) User’s Guide S05147305 Rev D www.power-
ware.com
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Table of Contents
1 Introduction 1.........................................................
2 Safety Warnings 3.....................................................
3 Installation 15..........................................................
Inspecting the Equipment 15................................................................
Connecting the UPS Internal Battery 16........................................................
UPS Setup 17..........................................................................
Rack-Mount Setup 17..................................................................
Tower Setup 19......................................................................
Installing the UPS 22.....................................................................
Remote Emergency Power-off Installation 24....................................................
UPS Rear Panels 26......................................................................
4 Operation 27...........................................................
Turning the UPS On 27....................................................................
Starting the UPS on Battery 27..............................................................
Turning the UPS Off 28....................................................................
Initiating the Self-Test 28..................................................................
Operating Modes 29.....................................................................
Normal Mode 29.....................................................................
Buck and Double Boost Mode 30..........................................................
Battery Mode 30.....................................................................
Standby Mode 30.....................................................................
5 Additional UPS Features 31...............................................
X-Slot Cards 31.........................................................................
Single-Port Card 32....................................................................
Network Transient Protector 35..............................................................
Load Segments 36.......................................................................
6 UPS Maintenance 37....................................................
UPS and Battery Care 37..................................................................
Storing the UPS and Batteries 37..........................................................
When to Replace Batteries 38...............................................................