VERTIV 
FIRMWARE RELEASE NOTES

AFFECTED MODELS: GXT5 15KVA-20KVA VRLA (MV)
GXT5-15KMVRT11UXLN
GXT5-20KMVRT11UXLN

NOTE:
Each release includes all the updates from previous releases.
Refer to the update procedure in the zip file for detailed update instructions.

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2025-JAN RELEASE

FILES:
GXT5LA-MCUV250-DSPV170-15-20k-MV.bin

1. Updated the USB HID protocol mapping to mimic the GXT4 models
2. Changed the default setting of "start with no battery" to ENABLED
3. Improved the battery test feature to address multiple battery models
4. Enabled the Auto-restart feature to function with no battery detected

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2023-OCT RELEASE

FILES:
GXT5LA-MCUV240-DSPV160-15-20k-MV.bin

1. Improved battery charging logic to automatically set the charge current and temperature compensation
2. Improved battery test logic accuracy for both automatic & manual tests for all load levels
3. Fixed a minor security vulnerability in the CLI interface

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2022-OCT RELEASE

FILES:
GXT5LA-MCUV230-DSPV150-15-20k-MV.bin

1. Added MODBUS RTU protocol integrated as standard

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2022-MAY RELEASE

FILES:
GXT5LA-MCUV210-DSPV150-15-20k-MV.bin

1. Improved RDU101 web-interface active events log by removing "UPS Output on Inverter" alert.

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2021-11-15 RELEASE

FILES:
GXT5-MCU-V200-DSP-V150(15-20K)(MV).bin

1. Added all UPS status and setting datapoints available on the LCD to the RDU101 web-interface and SNMP/other protocols.
2. Added a new user-configurable alarm, "Replace Battery Soon", which can be set to alert the user 2, 3, or 4 months before the time the UPS calculates a new battery will be needed, allowing time for replacement batteries to be ordered.
3. Added the ability to adjust [Dischg protect time] and [Guaranteed Shutdown] settings on the CLI.
4. Improved the downloadable 'Event Log.csv' by replacing the catch-all "General Unspecified Event" with each UPS alarm as reported on the UPS LCD.
5. Fixed an intermittent communication issue between RDU101 and UPS.

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2020-10-12 RELEASE

FILES:
GXT5-MCU-V190-DSP-V150(15-20K)(MV).bin

1. Enhanced the security of the firmware update procedure by using encrypted firmware files. This prevents the use of potentially non-authentic firmware.
2. Improved the [Max charge curr] setting to only show valid options for the installed UPS/EBC configuration.
3. Added the ability to change the LCD settings menu and maintenance menu passwords via the CLI.
4. Added the ability to execute a delayed shutdown from 0-999 seconds via the CLI.
5. Added Czech language option to the LCD.
6. Improved the fan performance by making the speed more stable and smoothing the transition between speeds.
7. Added the DSP firmware kernal version number to the LCD About tab.
8. Improved the displayed load and runtime sensitivity on light loads down from 5% to 2% load, on the 5K through 20K models. (GXT5-15KMV, GXT5-20KMV)
9. Changed the setting name of [Temperature type] to [Temperature unit].
10. Changed the default temperature display from  C to  F for HV, MV, and LV models.

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2020-05-30 RELEASE

FILES:
GXT5-MCU-V180-DSP-V140(15-20K)(MV).bin

1. Initial release. 15KVA-20KVA (MV)


