Maintenance96
Figure 5-8 Firmware Version on the RDU101 User Interface
5.6.2. Updating Firmware with a CLI Connection
You can use the Vertiv command-line interface to update rmware with a computer connected to the RS232 (RJ-
45) port on the rear of the UPS.
To perform the update via CLI, you need the following:
• Serial-terminal emulator with Ymodem transfer ability (for example: ExtraPuTTY)
• Cable with RJ-45 connector on one end and DB9 connector on the other or an RJ45/FTDI USB serial-port
adapter
Updating MCU Firmware via CLI
• Do not update firmware while the UPS is on Battery mode.
1. 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 Rear Panels on page 5.
2. Connect the DB9/USB connector to the computer with the serial-terminal emulator installed.
3. Open the serial-terminal emulator, and adjust the settings to communicate with the UPS:
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