
Ethernet SwitchEthernet Switch
XT6
+
XT4
+
XT4
+
XT2
+
XT6
+
XT4
+
XT4
+
XT2
+
COM
Emax 2 Emax 2
Internet cloud
E-Hub 2.0
RS-485 1/2
ETH
0ETH
1
COM 0 COM 1
4ARCHITECTURE
As an example, the illustration below shows how to
wire the system with separation of interfaces be-
tween field devices and internet connection.
It is mandatory to use two different networks.
Note:
Although E-Hub 2.0 has built-in firewall feature to block initiative access from internet and allows only initiative to internet from E-Hub 2.0, it's
still recommended to deploy dedicated firewall between E-Hub 2.0 and internet. It is recommended to configure rate limiter either at device
level or network level depending on the requirement.
Disclaimer
It is the sole responsibility of the customer to
provide and continuously ensure a secure con-
nection between the product and the customer
network or any other network.
The customer is required to establish and main-
tain any appropriate measures (including but
not limited to the installation of firewalls, appli-
cation of authentication measures, encryption
of data, installation of anti- virus programs,
For internet connectivity you can use:
• ETH0
• Wi-Fi
• 3G/4G
ETH1 must be connected to LAN (field devices)
etc.) to protect the product, the network, its
system and the interface against any kind of se-
curity breach, unauthorized access, interfer-
ence, intrusion, leakage and/or theft of data or
information.
ABB and its affiliates are not liable for damage
and/or losses related to such security breaches,
unauthorized access, interference, intrusion,
leakage and/or theft of data or information.