V-Series 1RU 12 Rotary Panel with 4-pin XLR or 5-pin XLR Male headset connector. The key-panel has 12 talk pushbuttons and 12 rotary listen switches, including one reply/answer-back key and 8 shift pages. Each talk pushbutton has an assoiciated audio level rotary switch control and can be configured for Talk and Listen. The key-panel menu provides user set-ups and assignment options. The rear panel has Audio I/O and GPI/O connections. Key features: • International 10 character alpha-numerical fonts • Yellow OLED's for better contrast and visibility • Individual key menus help ease of use and assignment • Digital Signal Processing (DSP) for audio routing and effects • Individual rotary audio level controls for personal mixes • “Listen Again” - replays last 30 seconds of incoming call • Each V-Series panel can be supervised or supervise another.