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ITU-T L.159/L.77 (05/2008)

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Installation of optical fibre cables inside sewer ducts
ITU-T Recommendation L.77 describes methods to install optical cables inside sewer ducts, which applies to both the cable installation and the pre-installation of an infrastructure, if requested. This Recommendation covers both man- and non-man-accessible sewer ducts.This Recommendation is not intended to address all of the safety concerns, if any, associated with its use. Therefore, it shall be the responsibility of the user of this Recommendation to establish appropriate health and safety practices and determine the applicability of regulatory limitations, if any, prior to its use.
Approval date: 2008-05-29
Provisional name:L.cis
Approval process:AAP
Status: In force
Observation:Former ITU-T L.77 renumbered as ITU-T L.159 on 2016-02-15 without further modification and without being republished.
Maintenance responsibility: ITU-T Study Group 15
Further details: Patent statement(s)
Development history
Ed. ITU-T Recommendation Status Summary Table of Contents Download
1 L.159/L.77 (05/2008) In force