Siemens SIMATIC S7-400H - Page 353

Synchronization modules
18.3 Selecting fiber-optic cables
S7-400H
System Manual, 03/2012, A5E00267695-11
353
Cabling Components required Specification
A cable junction is required
between the indoor and
outdoor area
see Figure 18-2
 One distribution/junction box
per branch
Installation and patch cables are
connected via the distribution box.
Either ST or SC plug-in
connections can be used, for
example
Check the cross-over installation
when you wire the CPUs.
 Connector type ST or SC, for example, to match
other components
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Figure 18-2 Fiber-optic cables, installation using distribution boxes