3-Phase Intelligent LCD PDU Firmware 1.2.1 Released

February 9, 2024 by CyberPower

CyberPower has released an update to our Three Phase Intelligent LCD PDUs Firmware. Please
read on for feature improvement details and a quick link to download the v1.2.1 update.

Three Phase Intelligent LCD PDU Firmware Version 1.2.1 (US Release Date: 2/16/2024)


New Features

  • New support for Host Name setting
  • Downloading Diagnostic Information on the PDU is now available
  • Provides users the ability setup Outlet User access to the Guest PDU in a daisy chain
  • Supports Outlet User/Viewer login via hyper terminal and console service
  • Adds Accessory/Environment sensor related commands in the Command Line Interface
  • Now supports multiple languages in the Web Interface
    • German/French/Spanish/Russian/Traditional Chinese/Simplified Chinese

Features Improvements

  • Now displays passwords with asterisks ‘*’ when users log in via Hyper Terminal and Telnet
  • Adds support for IPv6 in NTP and Syslog server settings
  • Updated with support for domain name setting in Radius/LDAP Server IP
  • Provides support for displaying passwords with asterisks ‘*’ in the password setting fields for SNMPv3, SMTP, and Account webpage for enhanced security
  • Updated the range for setting up the date in the firmware for the years 2020 to 2030
  • Adjust SMS Clickatell Service function to meet the latest API method of Clickatell Server
  • Add support for ssh-ed25519 hostkey algorithm from SSH Server to improve security


  • Resolves an issue with the Save and Restore Configuration function when using Power Device Network Utility 2 (PDNU2) Tool to upload a file
  • Fixes an issue when Pinging the PDU while accessing the PDU HTTPS Server at the same time
  • Corrects a problem with the LDAP not being able to work when the User Name and password length are more than 97 characters
  • Resolves an issue when the mail recipients are sent event notification in Chinese its being displayed incorrectly
  • Fixes a problem with the Outlet selection being incorrect when adding an outlet user with the Command Line Interface (CLI)
  • Corrects an issue when configuring the 8th SNEV001 attached (upgraded version of ENVIROSENSOR)
  • Resolves an issue where low threshold of temperature setting for environment sensor is 33°F instead of 32°F on the configuration webpage
  • Fixes an issue where humidity is incorrectly recorded at 0% on a condition of 100% RH with ENVIROSENSOR
  • Repairs an issue with the Accessory status webpage when the character length, in setting fields (name, location, and contact), is too long
  • Corrects an issue with the reset function on the syslog webpage not working
  • Fixes a problem where the Event logs, via email and trap, may lose connection with multiple SNEV001 connected
  • Resolves an issue when the Event logs outlet user name contains special character ‘$’
  • Corrects an issue with HTTPS being unable to establish a connection when using a self-signed certificate with an RSA 2048-bit key
  • Fixes a problem with the displayed information of the webpage and Command Line Interface (CLI)

Questions? Contact Tech Support Monday through Friday from 7am– 6pm cst.

Download link and release notes are available here: