In the case of building network connectivity between two structures,
within a large building, or connecting networks from the cabinet of the
third-party Internet service provider (ISP) to your home, optical fiber
cable is used in order to meet the requirements of bandwidth,
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distance and noise. Outdoor fiber optic cable is good for outdoor
cabling but not suitable for indoor applications. At the meantime,
ordinary indoor fiber optic cable is not designed for outdoor cabling.
Only indoor/outdoor fiber cables can be used for connecting networks of
two buildings, inside the building and in the entrance facilities as
well. Pulling-eye pre-terminated fiber optic cable assemblies are
designed for such environments.
Pulling Eye Pre-terminated Indoor/Outdoor Multifiber Cable
As
its name indicates, this pre-terminated fiber optic cable is suitable
for both indoor and outdoor cabling. Such multifiber pre-terminated
fiber cable assemblies are designed with pulling eyes, which can be used
with 2 to 24 fiber cables. The outer jackets of pulling eye
pre-terminated indoor/outdoor multifiber cables are typically
indoor/outdoor plenum (OFNP), polyolefine flame retardant (LSZH) or
polyethylene (PE).
There are several key features of the pulling
eye pre-terminated fiber cables that make them preferable for
indoor/outdoor installations.
The first feature is that these
cables are pre-terminated, which means the procedures of stripping the
cables, preparing the epoxy, applying the connector, scribe and
polishing, inspecting and testing are all done on the manufacturer’s
side. One of the main advantages for specifying pre-terminated fiber
optic cables is that the controlled factory processes with
pre-termination results in superior performance. Consistent, high
quality connector end-face geometry results in lower insertion loss and
better end-to-end attenuation in the system.
The second
characteristic of these pre-terminated cables is the pulling eye. It
further speeds up the installation process compared with filed
termination. Pre-terminated fiber optic cable has omitted the time
needed for termination, and the pulling eye saves time during
installation of conduits, ducts or risers. In addition, the pulling eye
protects the connectors of the indoor/outdoor fiber optic cables and
prevents the cables from twisting during the installation process. Since
the pulling eye is strain relived directly onto the outer jacket, it
ensures that the pulling stress and strain do not act on the core or the
terminations. It allows a tension up to 245N.
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