Siemens SIMATIC PCS 7 CPU 410-5H System Manual page 211

Cabling
The entire cabling is routed
within a building
No cable junction is required
between the indoor and
outdoor area
The necessary cable length
is available in one piece.
There is no need to connect
several cable segments by
means of distribution boxes.
Convenient and complete
installation using patch
cables
Installation using distribution
boxes, see Fig. 12-2
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
Components required
including patch cables for indoor applica-
tions as required
Patch cable for indoor applications
One distribution/junction box per branch
Installation and patch cables are connect-
ed via the distribution box. Either ST or
SC plug-in connections can be used, for
example. Check the cross-over installa-
tion when you wire the CPUs.
Synchronization modules
12.3 Selecting fiber-optic cables
Specification
1 cable with 4 cores per fault-tolerant system
Both interfaces in one cable
1 or 2 cables with several shared cores
Separate installation of the interfaces in order to
increase availability (reduction of common
cause factor)
Connector type ST or SC, for example, to match
other components; see below
Further specifications you may need to observe
for your plant:
UL approval
Halogen-free materials
Avoid splicing cables in the field. Use prefabri-
cated cables with pulling protection/aids in whip-
lash or breakout design, including measuring
log.
Connector type LC on ST or SC, for example, to
match other components
Connector type ST or SC, for example, to match
other components
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