Changes contained in version 3.3.1 (3/20/2017) * Visible Light Communications (VLC) data upload via local LED display. * Local display can now be toggled to show kilowatts (kW) or Amps (A). * Added links in System menu to Enable/Disable VLC and Total Power (kW). * Geist Discovery Protocol. * RSTP system improvements. * A2D sensors recognition and stability. * Unresponsive or intermittent IPv6 router operation. * System reboot caused by SMTP configuration with username and no password. * Addressed potential Cross Frame Scripting (XFS) vulnerability. Changes contained in version 3.2.0 (4/19/2016) * Fixed issue where CCAT would not include sensor type in trap. * Fixed issue that was causing units to not poll configured NTP server. * Fixed issue where uppercase letters could not be used in email addresses * Added functionality to separate the ability to enable/disable SNMP v1/v2c and SNMP v3 independently. * Added ability for users to set hostname on device * Added device reboot button to GUI * Improved RSTP functionality * Improved graph scaling to show available data regardless of what time frame is selected. Changes contained in version 3.1.0 (3/15/2015) * Fixed network performance issues, which in some instances caused slower GUI load times, delayed email alerts and unresponsiveness. * Fixed issue where SNMP trap would send incorrect OID. * Fixed issue where A2D would be shown as "unavailable" after configuration changes made to the device. * Fixed issue where IMD's network configuration could cause RSTP-related negotiation issues. * Added ability to reset remote sensors to their default values. * Increased the SNMP community string length to 24 characters. * Fixed alarm states returning "none" in cases where they should "clear" in the API and web interface. * Increased connected sensor limit from one to four . Changes contained in version 2.2.1 (3/23/2015) Note: Due to firmware structure changes, it is not possible to load firmware older than v2.2.1 onto units that have been upgraded to v2.2.1 or newer. * Added support for IMD-02E and remote sensors. * Improved consistency of API responses with RSv4 devices. * Fixed alarm clear notifications not getting sent in some cases. * Fixed an issue that could cause the web API to stop responding. * Fixed multiple firmware updates in rapid succession causing the display to stop working. * Minor adjustments to MIB entry names. Changes contained in version 2.1.3 (1/28/2015) * Added compatibility with MSTP-enabled networks. * Changes contained in version 2.1.2 (1/15/2015) * Fixed DHCP not renewing leases when they expire. * IPv6 addresses are now displayed with :: shorthand when possible. * Built-in display now shows "RSET" when the reset button is held long enough to trigger a reset of user and network data. * Minor API consistency changes. Changes contained in version 2.1.1 (8/26/2014) * Improved API responses when data is unavailable. * Fixed measurements not updating after swapping IMD modules. * Fixed RSTP functionality stopping after changing certain network settings. Changes contained in version 2.1.0 (7/18/2014) Note: Due to firmware structure changes, it is not possible to load firmware older than v2.1.0 onto units that have been upgraded to v2.1.0 or newer. * Added support for RSTP. * Added min/max and energy reset at the device level. * Display now shows "UPdt" during firmware updates. * Fixed display getting stuck showing IP address. * Fixed SNMP port showing 161 when a custom port was configured. * Improved localization.