54V 1.67A 90W PA-1900-2P2 AC Adapter for HP OfficeConnect 1820 8G PoE+ (65W) 1920S 8G PoE+ 65W 2530-8-PoE+ Switch PA-1900-2P-LF 54V 1.67A 90W PA-1900-2P2 AC Adapter for HP OfficeConnect 1820 8G PoE+ (65W) 1920S 8G PoE+ 65W 2530-8-PoE+ Switch PA-1900-2P-LF 