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Proceedings Paper

Design Of Long Wavelength Telecommunication Systems
Author(s): D. w. Hardwick; P. D. Griffin; D. R. Cronin
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Paper Abstract

The Plessey BICC 140 Mb/s multimode London-Birmingham long wavelength route is one system meeting BT trunk network requirements. This 205 km route is divided into 25 sections and comprises Terminal and Intermediate Station Equipment in TEP1E equipment practice and buried and in-station regenerators. The system employs LED sources and PINFET receiver modules. A microprocessor based fault locating supervisory system is provided. The cable sub-system uses loosely tubed fibres jointed using a 3-Rod splice. There are also a number of conductors to provide for ancilliary services. The overal cable joint closure uses an injection welding technique. The fibre has a nominal minimum bandwidth specification of 800 MHz-km and a nominal maximum attenuation of 1.6 dB/km.

Paper Details

Date Published: 30 August 1983
PDF: 11 pages
Proc. SPIE 0374, Fibre Optics '83, (30 August 1983); doi: 10.1117/12.934569
Show Author Affiliations
D. w. Hardwick, Plessey Telecommunications (England)
P. D. Griffin, Plessey Telecommunications (England)
D. R. Cronin, BICC Telecommunications Cables Limited (England)


Published in SPIE Proceedings Vol. 0374:
Fibre Optics '83
Lionel R. Baker, Editor(s)

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