The 1RU i-Series panels are engineered and built to be rugged and reliable. i-Series panels are factory built with 5-character display selector modules or non-display selector modules. There are 6 standard variants available:i-1110E  1RU 8-key (1 x 8-key display) pushbutton, 5-character alphanumeric display with keypad for local assignment; gooseneck and headset connections; loudspeaker with level control; 4-pin XLR connectori-1200E  1RU 16-key (2 x 8-key non-display) pushbutton; gooseneck and headset connections; loudspeaker with level control; 4-pin XLR connector. No keypad.i-1210E  1RU 16-key (2 x 8-key display) pushbutton; 5-character alphanumeric display panel with keypad for local assignment; gooseneck and headset connections; loudspeaker with level control; 4-pin XLR connectori-1400E  1RU 32-key (4 x 8-key non-display) pushbutton; gooseneck and headset connections; loudspeaker with level control; 4-pin XLR connector. No keypad.i-1430E  1RU 32-key (4 x 8-key display) pushbutton; 5-character alphanumeric display panel with keypad for local assignment; gooseneck and headset connections; loudspeaker with level control; 4-pin XLR connectori-1470E  as per i-1430E, but with AUX-101 option (local audio and GPIs)e-1410E 1RU Expansion 32-key pushbutton; 5-character alphanumeric display panel.