TEL1052 routes 5 telephone lines to 2 hybrids, with duplex coupling facility.

The main case will be set in a rack, closed to the hybrids, and the remote control (using a serial connection) in the control room or near the mixing desk. The remote control, for every line, features:

• Incoming call, light indicator, with or without sound signal.
• Hook for making or receiving call, and conversation.
• Waiting, the correspondant hears the broadcasted signal. Talkback sending facility using the mixing desk.
• Routing the line to 1 of 2 or 4 hybrids.
• Hang up.
• TEL1052 is supplied without the telephone set.

In all cases the external hybrid control uses a dry loop (pulse or hold). A dry loop on the main case, allows to connect a stroboscope showing incoming call.

• Input and output balanced XLR.
• Telephone line on RJ11.