The V-Series 1RU 12 pushbutton display panel with 4-pin XLR or 5-pin XLR male headset. The key-panel has 12 talk pushbutton keys and 12 listen pushbuttons including one reply/answer-back key and 8 shift pages. Each key has associated up/down audio level control buttons. The panel menu provides user set-ups and assignment options. The rear panel has Audio I/O and GPI/O connections. This product is also available as lever and rotary key-panel types.