Telecom Behnke 5 Series - Mechanical Mounting for Series 20;30

Set up
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GB
Instructions for Series 5 / 10
Use duct tape or screws to attach speaker and
microphone to the letterbox. Clip both speaker
and microphone to the electronic system as
shown in the picture. The (existing) buttons will
be clipped to the screw terminals.
Telephone connection
Speakers
Microphone
Direct call buttons 1 and 2
Electronic system