Operating instructions

Configuring Networks
3-32
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
1
1
1
1 Fiber-optic cable
2 ITP XP Standard Cable 9/9
1
1
OSM in
RM mode
1
1
OSM ITP62
OSM ITP62
OSM ITP62
OSM ITP62
OSM ITP62 OSM ITP62
OSM ITP62
OSM ITP62
OSM ITP62
OSM ITP62OSM ITP62
OSM ITP62 OSM ITP62
OLM
OLM
OLM OLM OLM
OLM OLM OLM
1
1
1
1
1
1
1
1
2
2
2
2
SM ITP80
ESM ITP80
ESM ITP80
2
2
ESM ITP80
ESM ITP80
2
2
2
2
2
ESM in
RM mode
Standby
slave
Standby
slave
Standby
master
Standby
master
Ring 3 (OLM ring)
Ring 1 (OSM ring)
Ring 2 (ESM ring)
1
1
1
1
1
1
1
1
OSM ITP62
OSM ITP62
Figure 3-12 Redundant Coupling of Network Segments