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CONFIGURATION PROGRAM
This is a new feature included with the new Liebert GXT2U line. Several UPS
settings that were previously not available or required custom manufacturing
may now be modified using this program. For most users, the factory default
settings will be adequate. This manual illustrates the features available for
modification, as well as the factory default setting.
Liebert GXT2U Configuration Program Abilities
• Select one of five output voltages to match voltages found around the world.
• Enable/Disable Auto-Restart.
• Select frequency converter operation with a fixed output frequency of 50 or
60 Hz.
• Set the Low Battery Warning alarm time from 2 to 30 minutes.
• Enable/Disable the Auto-Battery test.
• Set the Auto-Battery test to 7, 14, 21, or 28 days.
• Select the number of external battery cabinets connected to the UPS to
adjust the remaining run time calculations reported by Liebert software
products.
• Modify the shutdown setting of DB-9 pin 6 (for information on pin assign-
ments, see Communications on page 19).
What You Will Need
In addition to the Liebert GXT2U UPS, you will need the configuration program
diskette and serial cable (beige or tan, 3-wire: GND, TX, RX; straight through 2-
2, 3-3, 5-5) included in the UPS accessory box. The BLACK ML9P9S CONTACT
CLOSURE communication cable IS NOT compatible with the configuration
program. A Windows 95
®
, 98
®
, or NT
®
computer—desktop or laptop—is also
required to set up and run the configuration program.
NOTE
The UPS must be turned off—and not powering connected equipment—
before you make any changes to configuration settings.
While the UPS is in Normal Mode operation, press the OFF button
once to put the UPS into Bypass Mode.
Once the UPS is in Bypass Mode operation, press and release the OFF
button two distinct times (for about a second each time) to turn off the
UPS.
NOTE
This program is compatible with UPS models beginning with
“GXT2-”, as in “GXT2-2700RT208.” It is not compatible with earlier
versions of the Liebert GXT UPS.