TEL400 is a double phone insert allowing to control two lines on a rack unit, which means two callers with duplex function integrated.

On each insert:

• Out level towards party setting.
• Foldback level towards party setting.
• One double vumeter to view this two levels.
• Keyboard with luminous buttons allowing.
• Line pick up and sending to a private set.
• "Wait" position to hold lines and send a "final antenna" modulation to the caller.
• A coupling section allows a duplex on air dialogue between two parties.

TEL400 provides mixed and individual audio outputs for the two inserts, and remote controls for switching on air.

USES:

• 2 phone lines control on consoles equipped with one hybrid channel.
• 2 phone lines control on conoles equipped with 2 hybrid channels.
• 2 phone lines control with picking .
• Put on held�]over and switch on air thanks to the integrated mini switchboard on the front panel.