Siemens ESM - Manual (Page 40)

Network Topologies with OSM/ESM
Industrial Ethernet OSM/ESM
36 C79000-Z8976-C068-10
Redundant Coupling of Rings over Fiber Optic Cable with the OSM ITP53
The OSM ITP53 allows a redundant coupling of rings with FO transmission paths.
This allows rings far apart from each to be connected.
OSM TP 62
OSM ITP 62 OSM TP 62
OSM ITP 62
OSM in
RM mode
OSM ITP 62
OSM TP 62
OSM in
RM mode
OSM ITP 53
OSM ITP 53 OSM ITP 62 OSM ITP 53
OSM ITP 62 OSM ITP 62
OSM ITP 53
OSM ITP 62
1
1
1
1
1
1
1
1
1
1
1
1
1
1 1 1
1
2
1 Fiber-optic cable (FOC)
2 ITP XP standard cable 9/9
Standby
master
Standby
slave
Figure 15: Redundant Coupling of Rings with OSM ITP 53