TIA Developing TSB for Shared Pathways, Shared Sheaths

The TIA’s TR-42.7 Copper Cabling Systems Engineering Committee will update TSB-190, which addresses alien crosstalk and other technical issues.

Dec. 15, 2023

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The Telecommunications Industry Association (TIA) issued a call for interest for the development of Telecommunications Systems Bulletin TSB-190-A, a document that is initially titled “Guidelines on Shared Pathways and Shared Sheaths.” The document will be an update to the original TSB-190, which was most recently reaffirmed in 2018. The TIA is actively seeking participation in the revision process. The association said interested parties may include installers and end-users of cabling systems as well as members of the Institute of Electrical and Electronics Engineers (IEEE).

TSB-190-A will provide guidance and support data related to the following scenarios.

Multiple applications operating over different cable categories or constructions sharing the same pathways
Alien crosstalk interference between Category 6A UTP cables manufactured by different manufacturers
Alien crosstalk between Category 6A UTP cables and other category cables
Multiple applications running within the same sheath

Anyone interested in finding out more or participating in the revision process can reach Cheryl Thibideau at [email protected].