Description
3.1 Basic information on Ethernet switching
SCALANCE X-400
14 Operating Instructions, 06/2015, C79000-G8976-C186-12
Technical options (network topologies)
The modularity of IE Switches X-400 simplifies the expansion of a network regardless of the
network topology.
You can use an IE Switch X-400 in the following network topologies:
● Linear structure
● Star/tree structure
● Ring with redundancy manager
The maximum cable length is 70 km for single mode Fast Ethernet transmission and single
mode gigabit transmission. Mixed operation within the topology, for example between
SCALANCE X414-3E and OSMs/ESMs is possible regardless of the structure being used
(ring with redundancy manager, star, or linear structure).
Using an IE Switch X-400 as the redundancy manager in a ring with redundancy manager
provides greater availability. If there is an interruption on the connection between these
switches, the IE Switch X-400 used as redundancy manager acts like a switch and in a very
short time creates a line from the ring with redundancy manager. As a result, a functional,
end-to-end structure is restored. For more detailed information, refer to the configuration
manual "SCALANCE X-300 and SCALANCE X-400 Industrial Ethernet Switches".
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