Fiber Optic Cable Configurations 101

Many fiber optic patch panels use ST connectors.by how it is sheathed.
But modern data communication and1. Loose tube fiber
telecommunication equipment adapt SC fiberA buffer tube is a protective sheath in which
connectors as the first choice.individual strands of optical fibers are encased.
However, this does not pose ta problem in mostThis is called a loose tube fiber cable.
situations. Why not? Because fiber optic patchLoose tube fiber cables are usually designed for
cables are available with ST-ST connectors,outdoor applications. They may contain
SC-SC connectors and SC-ST connectors.water-blocking gel in the tube to protect the
It is the same solution for most other fiber opticcables from moisture, extreme environmental
connector types such as FC, LC, MTRJ, MU, SMAtemperature and other hazards.
905 and SMA 906 or even E2000. But it is a goodLoose tube cables can withstand aerial as well as
practice to use the shortest cable possible tounderground installation.
reduce the amount of slack in the cable, thus2. Tight buffer fiber4
reducing the number of loops in the cable andA single strand optical fiber can be enclosed in a
reducing the possibility of violating the minimum900um buffer sheathing. This 900um buffer is
bend radius.called tight buffer. Kevlar strands can be included
:: Fiber cable types in fiber optic communicationto provide additional protection from the
industryenvironment and also for fiber cable pulling.
Fiber optic cables are divided into two types: singleTight buffered fibers are usually for indoor
mode fiber and multimode fiber. In addition to thisapplications. But they can be encased in additional
categorization, fiber cables can also be categorizedfiber jacket to make outdoor applications too.