Technical Manual for 2-wire Digital Door Phone

This file is about the technical manual of the 2-wire digital door phone. It introduces the basic characteristics of the 2-wire digital door phone, such as the number of supported telephones and the maximum number of households.


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PDF
Published
02 November, 2023
Updated
02 November, 2023
MD5 checksum
A9F1036FE08D27F339479A4F8F067FAD
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