Fibre-optic system goes the last mile
A
Datwyler (UK) product story
Edited by the Engineeringtalk editorial team
Jul 6, 2004
Optofil Micro is a fibre optic system especially designed for city carriers for cost-effective exploitation and coverage of the so called last mile to the customers' premises.
Optofil Micro is a fibre optic system especially designed for city carriers for cost-effective exploitation and coverage of the so called last mile to the customers' premises.
This new cable and underground duct solution allows very flexible fibre-to-the-kerb or fibre-to-the-home (FTTK, FTTH) installations.
The system consists of the thinnest fibre optic cables and a flexible duct system which can be fed with microducts called "Speed Pipes".
Cables and Speed-Pipes can be blown in when needed in lengths up to 1km.
Datwyler's metal-free Optofil Micro cables are available in various constructions with reduced diameters and a maximum of 72 single-mode or multimode optical fibres.
Special half-pipe branch connections that are gas- and watertight can easily be mounted on all segments of the ducts wherever it is necessary to connect new customers.
Another feature of the microduct system is reusable seals.
When employing this system, city carriers can invest in FTTK and FTTH installations step-by-step when the customer base grows and further branch connections are needed.
Speed Pipe micro ducts can be connected with pipe couplings mountable on both sides.
Their internal fluted design provides laminar flows and low friction coefficients complimenting Datwyler's Optofil Micro cables can be blown easily into the Speed Pipes.
Three constructions are available: model ZKT is a central tube construction with up to 24 fibres, and two versions of wbK, dry loose tube constructions with up to 60 and 72 fibres, respectively.
The cable sheaths are halogen-free and generate minimal smoke in case of a fire.
For telco applications Datwyler proposes to supply these cables with high-quality single-mode fibres from the company's own fibre optic plant in Switzerland.
Because of their good PMD and macrobending properties they guarantee uninterrupted data transmission over long distances and a long service life.
The Optofil Micro system includes cable joint and termination boxes for excess cable lengths, splice sockets and a wide range of accessories.
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