Housing Color Black with Silver Trim. Windows Windows XP, POSReady 2009, Windows 7, POSReady 7. OS Supported. Type C Powered USB Port: 24V x 1; 12V x 2. Type B Powered USB Port: 24V x 1. Type A Serial Port: COMA (DB9); 12V Powered USB Port x 1; 2 x USB.