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2. Twisted pair - Wikipedia

   en.wikipedia.org/wiki/Twisted_pair

   Common names: foiled twisted pair, shielded twisted pair, screened twisted pair. This type of shielding helps prevent EMI from entering or exiting the cable. Individual and overall shield (F/FTP, S/FTP, and SF/FTP) Individual shielding using foils for every twisted pair in a cable, and also an outer foil or braided shielding.

3. Velocity factor - Wikipedia

   en.wikipedia.org/wiki/Velocity_factor

   Typical velocity factors. Velocity factor is an important characteristic of communication media such as category 5 cables and radio transmission lines. Plenum data cable typically has a VF between 0.42 and 0.72 (42% to 72% of the speed of light in vacuum) and riser cable around 0.70 (approximately 210,000,000 m/s or 4.76 ns per metre).

4. 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.

5. Category 5 cable - Wikipedia

   en.wikipedia.org/wiki/Category_5_cable

   Category 5 cable (Cat 5) is a twisted pair cable for computer networks. Since 2001, the variant commonly in use is the Category 5e specification (Cat 5e). The cable standard provides performance of up to 100 MHz and is suitable for most varieties of Ethernet over twisted pair up to 2.5GBASE-T [1][2][3][4] but more commonly runs at 1000BASE-T ...

6. GG45 - Wikipedia

   en.wikipedia.org/wiki/GG45

   Details. The GG45 and ARJ45 connectors operate in the frequency band between 600 MHz and 5 GHz with shielded twisted pair and twinax cables. To reduce crosstalk, two of the four pairs have been moved so that each pair occupies one corner. GG45 is a variant of ARJ45 that allows for cables terminated with male 8P8C (AKA RJ45) connectors to be ...

7. Category 6 cable - Wikipedia

   en.wikipedia.org/wiki/Category_6_cable

   Category 6 cable (Cat 6) is a standardized twisted pair cable for Ethernet and other network physical layers that is backward compatible with the Category 5/5e and Category 3 cable standards. Cat 6 must meet more stringent specifications for crosstalk and system noise than Cat 5 and Cat 5e. The cable standard specifies performance of up to 250 ...