Category 7 / Class F Cabling - IEEEgrouper.ieee.org/groups/802/3/tutorial/july98/roos_070798.pdf ·...
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Dätwyler Category 7 / Class F Cabling zDefinition and Implementation zTechnical Issues zEconomics and Trends by Hans-Ulrich Roos Datwyler AG, Switzerland Chairman of CENELEC SC46XC
Transcript of Category 7 / Class F Cabling - IEEEgrouper.ieee.org/groups/802/3/tutorial/july98/roos_070798.pdf ·...
Dätwyler
Category 7 / Class F Cabling
zDefinition and ImplementationzTechnical IssueszEconomics and Trends
by Hans-Ulrich RoosDatwyler AG, SwitzerlandChairman of CENELEC SC46XC
© Dätwyler Ltd./ H.U.Roos - Slide 2Dätwyler
The History
z 1994 Proposals for 300 MHz cable fromFrance and Denmark.
z 1995 Proposal for 300 MHz cable fromNEMA.
z 1995 Proposal for 600 MHz Cabling system from Germany.
z 1996 DIN E 44312-5 Standard proposalfor 600 MHz Cabling system.
© Dätwyler Ltd./ H.U.Roos - Slide 3Dätwyler
The History
z 1996 Introduction of German proposalfor 600 MHz in ISO/IEC.
z 1997 Commitment of ISO/IEC to supporta new Category 7 / Class F for 600MHz Cabling system.
z 1997 CENELEC SC46XC launches votingprocedure on 600 MHz cable standard.
© Dätwyler Ltd./ H.U.Roos - Slide 4Dätwyler
Implementation of Channel
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1 10 100 1'000Frequency [MHz]
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Class F
Class D
© Dätwyler Ltd./ H.U.Roos - Slide 5Dätwyler
Technical Issues: Cable
z STP, 4 pair, 100 Ohm Impedance,typically 23 AWG (0.57 mmØ) barecopper
Jacket Tinned copperbraid
Foil shield Corewith foamskin
© Dätwyler Ltd./ H.U.Roos - Slide 6Dätwyler
Technical Issues: Cable
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Cable Performance Category 7
© Dätwyler Ltd./ H.U.Roos - Slide 7Dätwyler
Technical Issue: Connector
z Default connector is RJ45.z 600 MHz Performance by RJ45
delivered only through pins 1/2 and7/8.
© Dätwyler Ltd./ H.U.Roos - Slide 8Dätwyler
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Frequency [MHz]
Technical Issue: Connector
Pin 1/2 to 7/8
Link Performance on RJ45
© Dätwyler Ltd./ H.U.Roos - Slide 9Dätwyler
z Several new "Cat. 7" connectors areunder Development. (e.g.: AMP, BKS,Siemon, Telesafe, T&B)
z IEC/TC48 is currently discussing newstandard proposals.
Technical Issue: Connector
© Dätwyler Ltd./ H.U.Roos - Slide 10Dätwyler
Technical Issues: Connector
TERATERA™™
© Dätwyler Ltd./ H.U.Roos - Slide 11Dätwyler
Technical Issue: Connector
Channel Performance TERRA
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Frequency [MHz]
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© Dätwyler Ltd./ H.U.Roos - Slide 12Dätwyler
Economics and Trends
1994 1995 1996 1997 1998
Cat 7Cat 5+ / Cat 6Cat 5
Sales in meter(DE / CH / AT)
© Dätwyler Ltd./ H.U.Roos - Slide 13Dätwyler
1994 1995 1996 1997 1998
Cat 7Cat 5+ / Cat 6Cat 5
Economics and Trends
Sales in sFr.(DE / CH / AT)
© Dätwyler Ltd./ H.U.Roos - Slide 14Dätwyler
Economics and Trends
1994 1995 1996 1997 1998
Cat 5+ / Cat 6Cat 7Cat 5
Sales Price in sFr./m(DE / CH / AT)
© Dätwyler Ltd./ H.U.Roos - Slide 15Dätwyler
Conclusion
z Cables and connecting hardware for600 MHz Cabling systems are availableat reasonable costs.
z In Europe the installed basis is growingbecause many end-users are investingin safety margins.
