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2. Twisted pair - Wikipedia

   en.wikipedia.org/wiki/Twisted_pair

   Both cables are a similar standard to category 3 cable. [12] [13] Cables with categories 3 through 7 have 4 twisted pairs. [14] Prior to the common use of polyethylene and other plastics for insulation, telephone twisted pair cable was insulated with waxed paper or cotton with a wax coating applied to the copper.

3. Shielded cable - Wikipedia

   en.wikipedia.org/wiki/Shielded_cable

   The best practice is to keep data or signal cables physically separated by at least 3 inches (75mm) from 'heavy' power circuits which are in parallel. Analog signal cable used in professional audio applications is usually shielded twisted pair cable terminated in XLR connectors. The twisted pair carries the signal in a balanced audio configuration.

4. 25-pair color code - Wikipedia

   en.wikipedia.org/wiki/25-pair_color_code

   In cables of more than 600 pairs, each of the 600-pair super binder group bundles is wrapped with a mylar binder ribbon, or string, matching the "tip" colors of the color code, starting with white. The pattern then starts over with the first 25-pair group as white/blue, and continues indefinitely, in multiples of 600 pairs or parts thereof.

5. ISO/IEC 11801 - Wikipedia

   en.wikipedia.org/wiki/ISO/IEC_11801

   Annex E, Acronyms for balanced cables, provides a system to specify the exact construction for both unshielded and shielded balanced twisted pair cables. It uses three letters—U for unshielded, S for braided shielding, and F for foil shielding—to form a two-part abbreviation in the form of xx/xTP, where the first part specifies the type of ...

6. ANSI/TIA-568 - Wikipedia

   en.wikipedia.org/wiki/ANSI/TIA-568

   A cable terminated according to T568A on one end and T568B on the other is a crossover cable when used with the earlier twisted-pair Ethernet standards that use only two of the pairs because the pairs used happen to be pairs 2 and 3, the same pairs on which T568A and T568B differ. Crossover cables are occasionally needed for 10BASE-T and ...

7. Modular connector - Wikipedia

   en.wikipedia.org/wiki/Modular_connector

   These connectors are commonly used for Ethernet over twisted pair, registered jacks and other telephone applications, RS-232 serial communication using the ANSI/TIA-568 (formerly TIA/EIA-568) and Yost standards, and other applications involving unshielded twisted pair, shielded twisted pair, and multi-conductor flat cable.