Case studies
System Manual
│154
7.4
Practice-oriented examples
7.4.1
One-family house with a panel
In a ABB-Welcome IP system in a private building the building network is disconnected from the
units network. This prevents unauthorized access to the private units network via the outdoor
station.
A IP Touch 7 is installed.
In this type of installation the IP Touch 7 additionally meets the function of an IP gateway.
P E
o
DHCP
LAN1
LAN2
Fig. 138: Overview: One-family house with one panel
PoE
LA
N
LA
N
LA
N
LA
N
LA
N
LA
N
LA
N
LA
N
GN
D
DC
+
LO
C
K
CO
M
NC
NO
LA
N
(P
o
E
)
DC
+
/-
LA
N
(P
o
E
)
DC
+
/-
LA
N
1
(P
o
E
)
LA
N
2
Fig. 139: Connection: One-family house with one panel
