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2.2
Connections
2.2.1
Ethernet interfaces P1/P2
Ethernet interfaces
The gateway has two Ethernet interfaces according to Gigabit standard IEEE 802.3ab,
designed as RJ45 socket.
● P1
Cloud interface for connection of a cloud broker and OPC clients
● P2
Process interface for connecting the stations of the automation plant
Note
Connection to subnets
The two Ethernet interfaces are not designed as a switch, but are intended for connection to
different networks.
If the connection to the cloud is in the same subnet as the process connection, enable the
"Cloud interface in the same subnet" option in the "Interface configuration" in the
configuration.
The pin assignment of the Ethernet interfaces and other data can be found in the section
Technical specifications (Page 125).
2.2.2
PROFIBUS Interface (CC716)
9-pin D-sub socket (MPI/DP)
The PROFIBUS/MPI connection is a 9-pin D-sub socket and operates according to the
RS-485 standard.
You also have the option of connecting to optical PROFIBUS networks via an Optical Bus
Terminal OBT or an Optical Link Module OLM.
You will find the pin assignment of the D-sub socket in section Pinout of the D-sub socket
(Page 129).
SIMATIC CC7
Operating Instructions, 10/2019, C79000-G8976-C503-02
LEDs, Connectors, Buttons, CLP
2.2 Connections
25
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