Homematic IP HmIPW-SMI55 Installating Instruction And Operating Manual page 38

Start-up
• Select suitable tool, measuring equipment and, if neces-
sary, personal safety equipment;
• Evaluation of measuring results;
• Selection of electrical installation material for safeguard-
ing shut-off conditions;
• IP protection types;
• Installation of electrical installation material;
• Type of supply network (TN system, IT system, TT sys-
tem) and the resulting connecting conditions (classical
zero balancing, protective earthing, required additional
measures etc.).
Permitted cable cross sections for connecting to the
device are:
For reasons of electrical safety, only the following
cables must be used for connecting to the Home-
matic IP wired bus:
• Telephone cable J-Y(ST)Y with 2 x 2 x 0.8
(= 0.5 mm²) or 4 x 2 x 0.8 (= 0.5 mm²),
shielded, TP
• Ethernet installation cable S/FUTP, Type Cat5e or
higher with 2 x 2 x AWG22 (= 0.34 mm²) or
4 x 2 x AWG22 (= 0.34 mm²), shielded, TP
The shield (continuity wire) must be connected to
"–" (=GND) at the bus connection of the Wired
Access Point (HmIPW-DRAP). The shield may not
be connected to the motion detector.
38
Rigid cable: 0.12-0.50 mm
2