1/2 19" 1RU telephone interface for the Artist-1024; 2 x analog telephone line (POTS); 2x SIP/VoIP telephone connections (G.711, G.722); automatic adaptation to multiple audio coding algorithms; Artist-1024 connection via ST2110 (AES67); Includes: 19" rack mount adaptor, external power supply; installation of two Connect DUO IPx2 in 1RU requires a Dual front cover Connect DUO IPx2 (article number: 9302066)