Modern ICT system meets old (existing) door intercom: what next?

A new ICT system offers many advantages - but you will search in vain for a connection for existing door stations. With the TSA-a/b door intercom adapter, however, you can easily connect an older door intercom with up to 2 bell buttons to an analogue subscriber port of a modern ICT system.

Optimal solution for the continued use of older door intercom systems

With the TSA-a/b adapter, older door stations can be retained and continued to be used on modern ICT systems. At the same time, the adapter provides top features! For example, additional switching options are available for second bells or lighting. Furthermore, the door intercom adapter impresses with a separate volume setting for both speech channels.

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