Liebert Vertiv GXT5, Installer/User Manual, Page: 106 / 136

Maintenance 98
Updating DSP Firmware via CLI
• Only update the DSP firmware while the UPS is in Stand-by mode. The REPO terminal of the UPS must
be un-plugged. Do not update firmware while the UPS is on Battery mode.
1. Disconnect the REPO terminal from the rear panel of the UPS, see Figure 5-10 below.
Figure 5-10 REPO Terminal
2. Connect the RJ-45 connector to the RS232 port on UPS. For the connection location, refer to the
appropriate rear-panel description for your UPS model in 1.Rear Panels on page 5 .
3. Connect the DB9 connector to a computer with the serial-terminal emulator installed.
4. Open the serial-terminal emulator, and adjust the settings to communicate with the UPS:
• Select “Serial” connection for the session.
•
Check the computer “device management” settings for the communication port (for example COM6),and
select the same port in the emulator.
• Select 115200 for the connection speed.
• Open the emulator session.
5. On the CLI, enter the username and password:
• Default username = user
• Default password = 123456
6. On the command line, enter update, then press d on the keyboard, see
Figure 5-11
on the next page
7. In the menu bar, select Files Transfer > Ymodem, select the DSP upgrade file, then click Send .