Category 7 cable

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0.5mm to 1.25mm pitch (for Hirose DF19, JAEDe-Mystifying Cabling Specifications From 5e to
1.25mm pitch) for FPC connector Motherboard7Av?d?eUnshielded and shielded twisted pair
side: 0.5mm pitch, 20- to 50-pin connectorcabling standards
Impedance: 45 to 50 ohms Attenuation: at 10MHzCat 1: Currently unrecognized by TIA/EIA.
nominal, 0.53dBm Cross talk: 1MHz to 100MHz:Previously used for POTS telephone
>/= 60dB 100MHz to 400MHz: >/= 50dBcommunications, ISDN and doorbell wiring.
Durable, precise impedance high-frequencyCat 2: Currently unrecognized by TIA/EIA.
transmission minimal signal loss ProductsMorePreviously was frequently used on 4 Mbit/s token
Category 7 cablering networks.
Category 7 cable (Cat 7), (ISO/IEC 11801:2002Cat 3: Currently defined in TIA/EIA-568-B, used
category 7/class F), is a cable standard forfor data networks using frequencies up to 16
Ethernet and other interconnect technologies thatMHz. Historically popular for 10 Mbit/s Ethernet
can be made to be backwards compatible withnetworks.
traditional Cat 5 and Cat 6 Ethernet cable. Cat 7Cat 4: Currently unrecognized by TIA/EIA.
features even more strict specifications forProvided performance of up to 20 MHz, and was
crosstalk and system noise than Cat 6. Tofrequently used on 16 Mbit/s token ring networks.
achieve this, shielding has been added for individualCat 5: Currently unrecognized by TIA/EIA.
wire pairs and the cable as a whole.Provided performance of up to 100 MHz, and was
The Cat 7 cable standard has been created tofrequently used on 100 Mbit/s Ethernet networks.
allow 10 gigabit Ethernet over 100m of copperMay be unsuitable for 1000BASE-T gigabit
cabling (also, 10-Gbit/s Ethernet now is typicallyethernet.
run on Cat 6a). The cable contains four twistedCat 5e: Currently defined in TIA/EIA-568-B.
copper wire pairs, just like the earlier standards.Provides performance of up to 100 MHz, and is
Cat 7 can be terminated either with 8P8Cfrequently used for both 100 Mbit/s and Gigabit
compatible GG45 electrical connectors whichEthernet networks.
incorporate the 8P8C standard or with TERACat 6: Currently defined in TIA/EIA-568-B.
connectors. When combined with GG45 or TERAProvides performance of up to 250 MHz, more
connectors, Cat 7 cable is rated for transmissionthan double category 5 and 5e.
frequencies of up to 600MHz.Cat 6a: Currently defined in ANSI/TIA
Category 7aEIA-568-B.2-10. Provides performance of up to
Category 7a (or Augmented Category 7)500 MHz, double that of category 6. Suitable for
operates at frequencies up to 1000 MHz, suitable10GBase-T.
for multiple applications in a single cable including 40Cat 7: An informal name applied to ISO/IEC 11801
Gigabit Ethernet, 100 Gigabit Ethernet, and CATVClass F cabling. This standard specifies four
(862 MHz). Simulation results have shown that 40individually-shielded pairs (STP) inside an overall
Gigabit Ethernet is possible at 50 meters and 100shield. Provides performance of up to 600 MHz.
Gigabit Ethernet is possible at 15 meters. MohsenCat 7a: An informal name applied to Amendment
Kavehrad and researchers at Pennsylvania State1 of ISO/IEC 11801 Class F cabling. Provides
University believe that either 32 nm or 22 nmperformance of up to 1000 MHz. Suitable for 40
circuits will allow for 100 Gigabit Ethernet at 100Gigabit Ethernet.
meters.See also: TIA/EIA-568-B ? Ethernet ? 8P8C ?
See alsoEthernet crossover cable ? Twisted pair
Category 5 cableCategories: Ethernet | Networking hardware |
Category 6 cableSignal cables | Telecommunications stubs(and so
Referenceson) To get More information , you can visit some
^ a b "DesignCon 2009: 40/100 Gbpsproducts about bore hole cable, Electrical
Transmission Over Copper". techonline.Installation Cable, . The LCD Cables and Micro
2009-02-01. Retrieved on 2009-02-28.Computer Cable products should be show more
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