2 WIRE surface telephone. Equipped with a lock opening button and a configurable button for auxiliary functions (stair light switching on, PE activation, call to the concierge switchboard).

It has connection terminals for an external plant call button.

If it is installed in a video or mixed audio/video installation as the last indoor unit of the riser or section, a 3499 line terminator must be added connected to ENTER – OUT on the same telephone.

The chime volume is adjustable in three levels through the dedicated side selector

Features

• Equipped with two buttons for opening the lock and auxiliary function, configurable depending on the configurator inserted in the housing (M).
• The headset has magnets to make it easier to hold.
• It has terminals for connecting an external button to make a call to the floor.
• The chime volume is adjustable in three levels through the built-in selector.
• If it is in video or mixed audio/video installations as the last unit of the riser or section, it is necessary to add a reference 3499 line terminator connected in ENTRA-SALE on the telephone itself.