International Journal of Innovative Engineering, Technology & Science

INVESTIGATION OF THE RELIABILITY OF OPTICAL FIBRE LINK IN SOUTH-SOUTH NIGERIA
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INVESTIGATION OF THE RELIABILITY OF OPTICAL FIBRE LINK IN SOUTH-SOUTH NIGERIA

Publication Date : 30/10/2022


Author(s) :

Nsike O. James, Aliyu, Alhaji Aliyu , Akaiso, Linus. E.


Volume/Issue :
Volume 5
,
Issue 2
(10 - 2022)



Abstract :

This work tends to investigate the reliability of optical fiber link in South-South Nigeria using Globacom as a case study. Data was obtained from the report of network outages due to fiber failures on the link connecting nodes from Network Operating Centre (NOC), troubleshooting faults from fiber field maintenance team to establish Point of Failure (POF), traces obtained from the use of Optical Time Domain Reflect meter (OTDR) for a period of six months (January 2016 to June 2016) and internet protocol/multiprotocol layer switching report on status of Dense Wavelength Division Multiplexing (DWDM) backbone fiber network. From the investigation and research conducted in this work, it proves that fiber optics reliability tends to degrees as fiber failure rate increases. Optical fiber link gradually decreases as mean time between failures decreases and the link investigated percentage availability was 94.19% which fall short of the standard link availability value of 99.99%


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