Vertiv | Liebert® GXT RT+ | Installer/User Guide
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Step 2: UPS input connection
Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using extension cords. The power cord
is supplied in the UPS package. Use an upstream circuit breaker rated for your model based on the below table.
MODEL NUMBER
RECOMMENDED CIRCUIT BREAKER
RECOMMENDED POWER CABLE WIRE SIZE
GXTRT-1000IRT2UXL
10 A
18 AWG
GXTRT-1500IRT2UXL
GXTRT-2000IRT2UXL
GXTRT-3000IRT2UXL
20 A
14 AWG
Step 3: UPS output connection
Connect devices to be protected to the outlets.
Step 4: Communication connection
Communication Port
USB port
RS-232 port
Intelligent slot
