Devices on firmware A5.21d and later have the ability to apply a name to the web interface to distinguish it from other Just Add Power devices in a system.
Setup
Log into the web interface of the device and go to the System --> Utilities bar
Alternatively, telnet into the device
Apply the command below, replacing the red text with the name of the device
astparam s webname "Device Name";astparam save;sleep 1;reboot