
Network Topologies with OSM/ESM
Industrial Ethernet OSM/ESM
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C79000-Z8976-C068-10
Apart from OSM ITP62-LD modules, all listed OSM variants can be used in any
combination in a bus consisting of OSMs. OSM ITP62-LD modules can only be
coupled with other OSM ITP62-LD modules via the optical ports (monomode fiber).
2 ITP XP standard cable 9/9
3 TP cord 9/RJ-45
4 ITP standard cable 9/15
22 22
3 4 4 4
PC
S7-400 S7-400S7-300
ESM
ITP 80
ESM
ITP 80
ESM
ITP 80
ESM
ITP 80
ESM
ITP 80
Figure 11: Bus with ESMs
In a bus consisting of ESMs, both ESM ITP80 modules and ESM TP80 modules
can be used. TP and ITP variants can be connected together using the Industrial
Ethernet FastConnect cabling system.
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