Telecom Behnke 20-0001BS Series - 3. Basic Electronics Overview

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Instructions SIP intercoms series 20-0001BS, 20-0014BS, 20-0016BS
Basic electronics
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(Electronics box for 20-0001-BS, 20-0014-BS, 20-0016-BS)
The connection of the
earth is required if it
is a TNV-1/ES1 circuit,
e.g. if the device is
installed in a column
and there is no fixed
connection to the
building.
a/b port
twisted pair of wires