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Siemon's Preferred Cable Terminology

Background

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With the introduction of new cables using individual foil-shielded pair and overall shield constructions, there has been much confusion, even between North American and international standards organizations, regarding the proper terminology used to describe these different designs. Siemon's preferred cable terminology is outlined below and is based upon the ISO/IEC 11801:2002 annex E standard systematic naming convention shown in chart 1.


Siemon UTP (Categories 3, 5e and 6)

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UTP cable constructions feature unshielded twisted-pairs enclosed within an overall thermoplastic jacket as shown in figure 1. UTP cables are compatible with Siemon MAX®, CT®, SM®, HD®, S210®, S110®, and S66™ product lines.


Siemon F/UTP (Categories 5e and 6)

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F/UTP cable constructions feature unshielded twisted-pairs surrounded by an overall conductive mylar-backed aluminum foil shield and enclosed within an overall thermoplastic jacket as shown in figure 2. F/UTP cables are compatible with Siemon screened MAX, screened HD5, screened CT, and screened SM product lines. TIA and legacy Siemon materials referred to this cable type as "ScTP", "screened" or "FTP".


Siemon S/FTP (Category 7)

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S/FTP cable constructions feature individually foil-shielded twisted-pairs surrounded by an overall braid and enclosed within an overall thermoplastic jacket as shown in figure 3. S/FTP cables are compatible with Siemon TERA™ and screened MAX product lines. Legacy Siemon materials referred to this cable type as "PiMF", "STP", "SSTP" or "fully shielded".