Installation Instructions

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Siemens Desigo Room automation - Engineering, mounting and installation CM111043en_14
Smart Infrastructure MS/TP networks 2020-10-30
Examples of recommended cable types
Belden
Type
Capacitance Non-
halogen
Shield
1)
Tempe-
rature
Pairs Color
3)
9925 39 pF/m
12 pF/ft
Foil + Braid 80 1.5 Black Red White
8102NH 41 pF/m
12.5 pF/ft
NH Foil + Braid 80 2
2)
Blue White / White Blue
Orange White / White Orange
1419A 43 pF/m
13.1 pF/ft
Foil 80 2
2)
Blue White / White Blue
Orange White / White Orange
1)
Foil + Braid is recommended for harsh environment (mechanical and
electromagnetic interference, e.g. variable speed drives).
2)
2-pair cable to be used with care because of different color scheme.
The two conductors of the second pair must be wired in parallel to the
Reference terminal to prevent a floating conductor.
3)
Recommended color scheme for wiring.
Observe these rules to prevent communications problems.
3-wire
+ White
– Black
Reference Red
Shield Drain wire (bare)
2 pairs
+ White/blue
– Blue/White
Reference 2 Orange conductors, parallel
Shield Drain wire (bare)