Remote Management Card 400 Firmware 1.0.4 Released

April 11, 2024 by CyberPower

CyberPower has released an update to Remote Management Card Firmware for RMCARD400. See what is new in the notes below and download.

RMCARD400 Firmware Version 1.0.4 (US Release Date: 4/19/2024)

New Features

  • Adds support for Restful API.
  • Adds commands for Accessory/Environment sensor commands in Command Line
    Interface (CLI) for the SNEV001 environment sensor.

Feature Improvements

  • The RMCARD serial number can now be displayed in PowerPanel Business Remote
  • Updated to increase the Name/Location/Contact length up to 64 characters for [System-
  • Adds support for ssh-ed25519 hostkey algorithm from SSH Server for improved security.
  • Modifications were made to improve some display content.
  • Changes made so passwords will not be displayed when users log in via Hyper Terminal.
  • CBC is disabled in SSH for improved security.
  • The following SNMP OID has been added: upsTemperature、upsFaultCode.
  • The time out field in RADIUS configuration has been increased.
  • Default settings have been modified as follows:
    • Enable HTTPS
    • Disable Telnet
    • Disable SNMPv1


  • Resolves an issue that prevented special characters from being used when setting a
  • Resolves an issue where DHCP would be enabled occasionally with Online “OL” series
  • Corrects an issue where the RMCARD would send an overload event notice while the
    UPS operating status was normal.
  • Fixes an issue where the warning condition on the [Summary->Current Condition]
    webpage was displayed incorrectly.
  • Correct a problem with the Authentication Mode on the [System->LDAP Configuration]
    webpage being displayed incorrectly when LDAP server type is Window Active Directory
  • Resolves an issue the [Summary->Envir Status] webpage experiences errors when users
    try to change the Accessory device structure.
  • Fixes a problem with the RMCARD400 being intermittently unstable after a system
  • Corrects an issue where the RMCARD400 will not send event notifications after an
    Accessory FW update.
  • Resolves an issue where the IP address will be incorrect when both the DHCP and IP
    address are set simultaneously.
  • Fixed an error with the time zone not functioning correctly when set to Bangkok time.

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

Download link and release notes are available here: