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The following abbreviation may appear in the manual. You are suggested to understand the symbols and
their meanings.
Table 1-1: Acronyms and Abbreviations
Terminology Description
UPS Uninterruptible Power System
UPS system
The entire power protection system – the UPS cabinet, the battery cabinet, and options or
accessories installed.
UPM Universal power module
STS Static transfer switch
CM communication module
HMI Human Machine Interface
EPO switch Emergency Power O switch
MBS Maintenance Bypass Switch
REPO Remote Emergency Power O
EAA Energy Advanced Architecture
ESS Energy Saver System
VMMS Variable Module Management System
ABM Advanced Battery Management
IO cabinet Cabinet for wiring
UPM cabinet The cabinet used to install UPM
K1 Input relay
K2 Battery relay
K3 Inverter relay
K5 Integrated backfeed protection
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