Using P3 PowerPort 1500 with P3-050/150/300 System Controller

Please make sure to upgrade P3 PowerPort 1500’s to firmware 1.2.1 or newer before using them in combination with a P3-050/150/300 System Controller. This upgrade can be done using a P3-100/200 or (free) P3-PC running software 3.1.1 or newer.