Communication
49 Liebert
®
GXT4
™
User Manual
5.3 Terminal Block Communication
The Terminal Block includes eight pins, as shown in Figure 5-1.
Figure 5-1 Terminal-block communication pin layout
NOTE
Programming the output voltage of the Liebert GXT4-5000RT208, GXT4-6000RT208, GXT4-
8000RT208, and GXT4-10000RT208 models to 220/110VAC automatically derates both the VA
and Watt ratings to 90% of the units ratings and programming the output voltage to 200/100VAC
automatically derates both the VA and Watt ratings to 80% of the units ratings (refer to 9.0 -
Specifications for the VA and Watt ratings)
NOTE
• This program is compatible with UPS models beginning with ‘GXT4,’ as in ‘GXT4-3000RT230.’
It is not compatible with earlier versions of the Liebert GXT UPS.
• A computer running Microsoft
®
Windows 2000
®
, Windows XP
®
, Windows Vista
®
, Windows 7 or
Windows 8 is required to set up and run the configuration program.
No. Description
1 Low battery warning
2 On-battery warning
3 Any mode shutdown
4 Battery mode shutdown
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