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Before continuing ...
8
List of abbreviations
ET Floor line
ED Apartment button
TÖ Door opener
LW Chime type, e.g. gong
UV Subdistribution
Terminal designations
a
Bus terminal
b
Bus terminal
ED Apartment button
ED Apartment button
a1 Main bus line 1
a2 Main bus line 2
a3 Main bus line 3
Va Bus terminal, video bus
Vb Bus terminal, video bus
LW Chime type, e. g. gong
TV Door connection
NV Power supply connection
Information on article numbers
The article numbers of RITTO products are made up of three components. For example, 1 7630 70
1 7630 xx Device: TwinBus indoor telephone
7 x
Colour: white
x 0
Device index
This document only specifies information on the respective device. Please refer to the manual for the colours
available and the current device versions.
Содержание TWINBUS
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