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RJ-45

Although the RJ-45 link redirects to the 8P8C page, would it not be better to make a more explicit statement of the real name of the connector? Something like: "normally terminated in 8P8C modular connectors (often casually referred to as RJ-45)"

Mixing 568A and 568B

I find this statement somewhat dubious:

Mixing T568A-terminated patch cords with T568B-terminated horizontal cables (or the reverse) does not produce pinout problems in a facility. Although it may very slightly degrade signal quality, this effect is marginal and certainly no greater than that produced by mixing cable brands in-channel.

Why would switching between 568A and 568B cables in a run make any difference at all in terms of signal quality? The only difference between the two is the data pairs are swapped colorwise, but the signal has no way of knowing what color insulation the wire it's running through has. Of course, just connecting two patch cables together may result in some signal degradation, but that should be irrespective of what types of cables are on either side of the connection, no? Guido del Confuso (talk) 00:21, 5 September 2008 (UTC)[reply]


-The only difference is that the pairs have a different amount of twists, making each pair a slightly different length and level of interference (cross talk), but in all my years testing cables, I have never seen a measurable performance difference between the pairs.

In my experience, 568B is the accepted standard in industry for Ethernet Cat5/6. I've never seen any commercial patch cables that use 568A, and don't know of any wireman who would wire a panel to 568A. On most sites it would be considered wrongly wired if it were done that way. --Anteaus (talk) 05:33, 25 April 2018 (UTC)[reply]

What a terrible (RJ-45) photo!

Rather than resorting to the explanation that the "the plastic latching tab facing away from the viewer", why not just a photo of an RJ-45 with the wire still attached! Much more intuitive...

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About C1 C2 Standar

I think that CAT6 cable must be included in addition to actual 6A.


About C1 Standard, this is confusing, the linked page "The standard for Category 6A (augmented Category 6) is ANSI/TIA-568-C.1" However all seems indicate that is C2, not C1.

"The main standard, ANSI/TIA-568.0-D defines general requirements, while ANSI/TIA-568-C.2 focuses on components of balanced twisted-pair cable systems. ANSI/TIA-568.3-D addresses components of fiber optic cable systems, and ANSI/TIA-568-C.4, addressed coaxial cabling components."

"All these documents accompany related standards that define commercial pathways and spaces (TIA-569-C-1, February 2013), residential cabling (ANSI/TIA-570-C, August 2012), administration standards (ANSI/TIA-606-B, December 2015), grounding and bonding (TIA-607-C, November 2015), and outside plant cabling (TIA-758-B, April 2012)."

Since other references:

TIA-569-C-1: Entry installations • Main / Intermediate Cross-Connect) • Back-bone distribution • Horizontal Corss-Connect • Horizontal Distribution • Work areas

ANSI/TIA/EIA 568-C.2: Balanced Twisted-Pair Cabling Components


https://blog.siemon.com/standards/ansitia-568-c-2-copper-cabling-and-components "This Standard specifies the mechanical and transmission requirements of category 3, 5e, 6, 6A, and 8 balanced twisted-pair copper cabling and components."

https://blog.siemon.com/standards/ansitia-568-c-family-of-standards-overview "As shown below, the generic infrastructure topology is actually fully consistent with the commercial building topology specified in TIA-568‑C.1." "balanced twisted-pair channel and permanent link specifications are contained in TIA-568-C.2." — Preceding unsigned comment added by Spark 23 (talk • contribs) 14:25, 29 January 2021 (UTC) [reply]


https://web.archive.org/web/20110817164505/http://www.tiaonline.org/news_events/press_room/press_releases/2009/PR-312_TIA_Publishes_New_Cabling_Standards.cfm

Arlington, Va. – The Telecommunications Industry Association (TIA), recently released two highly anticipated cabling standards: the new TIA-568-C.0 Generic Telecommunications Cabling for Customer Premises and the TIA-568-C.1 Commercial Building Telecommunications Cabling Standard revision.

The new standards improve upon and replace TIA-568-B.1 and its addenda, which were reviewed and revised under the cognizance of TIA Engineering Committee TR-42 Telecommunications Cabling Systems, and TR-42.1 Subcommittee on Generic and Commercial Building Telecommunications Cabling. These two new documents will be combined with TIA-568-C.3 Optical Fiber Cabling Components Standard (which was published in June 2008 and is available now) and TIA-568-C.2, Balanced Twisted-Pair Telecommunications Cabling and Components Standard (release expected later in 2009) to become the TIA-568-C suite of standards.

https://en.wikipedia.org/wiki/ANSI/TIA-568#Standards 

   ANSI/TIA-568.0-D, Generic Telecommunications Cabling for Customer Premises, Ed. D, 09-2015
   ANSI/TIA-568.1-D, Commercial Building Telecommunications Cabling Standard, Ed. D, 09-2015
   ANSI/TIA-568-C.2, Balanced Twisted-Pair Telecommunication Cabling and Components Standard, Ed. C, Err. 04-2014
   ANSI/TIA-568.3-D, Optical Fiber Cabling And Components Standard, Ed. D, 10-2016
   ANSI/TIA-568-C.4, Broadband Coaxial Cabling and Components Standard, Ed. C, 07-2011

In other site show: The TIA is working to complete a new specification that will define enhanced performance standards for unshielded twisted pair cable systems. Draft specification ANSI/TIA/EIA-568-B.2-10 specifies cable systems, called "Augmented Category 6" or more frequently as "Category 6a", http://innovave.com/wp-content/uploads/2016/01/TIA-568-C.1.pdf https://web.archive.org/web/20210129163522/http://innovave.com/wp-content/uploads/2016/01/TIA-568-C.1.pdf

"8.4Recognized cabling Three types of media are recognized and recommended for use in the horizontal cabling system. These media are: a) 4-pair 100-ohm unshielded or shielded twisted-pair cabling: category 5e, category 6 or category 6A (ANSI/TIA/EIA-568-B.2) b) multimode optical fiber cabling (ANSI/TIA-568-C.3), 2-fiber (or higher fiber count) c) single-mode optical fiber cabling (ANSI/TIA-568-C.3), 2-fiber (or higher fiber count) "

Is the new standard ANSI/TIA-568.2-D (replaces 568-C.2)?: https://www.anixter.com/content/dam/Suppliers/Leviton/Brochures/Leviton%20-Cat6A%20Reference%20Guide.%20051518pdf.pdf "TIA (Telecommunications Industry Association)Telecommunications: ANSI/TIA-568.2-D (replaces 568-C.2)Defines: Performance requirements for Cat 6A channels, permanent links, and components"

— Preceding unsigned comment added by Spark 23 (talk • contribs) 14:21, 29 January 2021 (UTC)[reply]

Cat vs. Cat.

Is there a reason why we don't include the period at the end of the abbreviated form in constructions such as "Cat. 6"?

UninvitedCompany 15:49, 29 June 2021 (UTC)[reply]

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