1、 ISO/IEC 11801 Edition 2.0 2008-04 INTERNATIONAL STANDARD Information technology Generic cabling for customer premises ISO/IEC 11801 A1:2008(E) AMENDMENT 1 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 ISO/IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of
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8、erv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 ISO/IEC 11801 Edition 2.0 2008-04 INTERNATIONAL STANDARD Information technology Generic c
9、abling for customer premises INTERNATIONAL ELECTROTECHNICAL COMMISSION P ICS 35.200 PRICE CODE ISBN 2-8318-9715-7 AMENDMENT 1 2 11801 Amend. 1 ISO/IEC:2008(E) FOREWORD Amendment 1 to International Standard ISO/IEC 11801:2002 was prepared by subcommittee 25: Interconnection of information technology
10、equipment, of ISO/IEC joint technical committee 1: Information technology. This International Standard has been approved by vote of the member bodies, and the voting results may be obtained from the address given on the second title page. This publication has been drafted in accordance with the ISO/
11、IEC Directives, Part 2. _ 11801 Amend. 1 ISO/IEC 2008(E) 3 INTRODUCTION to Amendment 1 This amendment provides requirements for new Class E Aand F Achannels plus additions and corrections to ISO/IEC 11801:2002. Amendment 2 of ISO/IEC 11801:2002 will provide balanced cabling models, requirements and
12、normative references for Category 6 Aand 7 Acomponents, requirements for Class E Aand F Alinks, together with amendments to the requirements for optical fibre cabling. Update references to Tables, the numbers of which have been changed. 4 11801 Amend. 1 ISO/IEC:2008(E) Page 6 Replace, in the list of
13、 figures, the title of Figure 10 by the following new title: Figure 10 Balanced cabling: channel, permanent link and CP link. Page 13 2 Normative references Replace, on page 14 to 17, the following references by the updated references as indicated below: IEC 60512-25-5, Connectors for electronic equ
14、ipment Basic tests and measurements Part 25-5: Test 25e Return loss 1IEC/PAS 60793-1-49:2002, Optical fibres Part 1-49: Measurement methods and test procedures Differential mode delay IEC 60794-2:1989, Optical fibre cables Part 2: Product specification (indoor cable)2Amendment 1 (1998) IEC/PAS 61076
15、-3-104:2002, Connectors for electronic equipment Part 3-104: Detail specification for 8-way, shielded free and fixed connectors, for data transmissions with frequencies up to 600 MHz IEC 61935-1:2000, Generic cabling systems Specifications for the testing of balanced communication cabling in accorda
16、nce with ISO/IEC 11801 Part 1: Installed cabling Amendment 1 (under consideration) IEC 61935-2, Generic cabling systems Specification for the testing of balanced communication cabling in accordance with ISO/IEC 11801 Part 2: Patch cords and work area cords 1)ISO/IEC TR 14763-1, Information technolog
17、y Implementation and operation of customer premises cabling Part 1: Administration ISO/IEC 18010:2002, Information technology Pathways and spaces for customer premises cabling Updated references: IEC 60512-25-5, Connectors for electronic equipment Tests and measurements Part 25-5: Test 25e Return lo
18、ss 1 To be published. 2There exists a consolidated Edition 4.1 (1998) of IEC 60794-2 that includes Edition 4.0 (1989) and its amendment 1 (1998). 11801 Amend. 1 ISO/IEC 2008(E) 5 IEC 60793-1-49, Optical fibres Part 1-49: Measurement methods and test procedures Differential mode delay IEC 60794-2, Op
19、tical fibre cables Part 2: Indoor cables Sectional specification IEC 61076-3-104, Connectors for electronic equipment Product requirements Part 3-104: Detail specification for 8-way, shielded free and fixed connectors for data transmissions with frequencies up to 600 MHz minimum 3IEC 61935-1, Testin
20、g of balanced communication cabling in accordance with ISO/IEC 11801 Part 1: Installed cabling) IEC 61935-2, Testing of balanced communication cabling in accordance with ISO/IEC 11801 Part 2: Patch cords and work area cords ISO/IEC 14763-1, Information technology Implementation and operation of cust
21、omer premises cabling Part 1: Administration ISO/IEC 18010, Information technology Pathways and spaces for customer premises cabling Page 17 3 Definitions, abbreviations and symbols 3.1 Definitions Replace the existing titles by the following new titles: 3 Terms and definitions, abbreviations and sy
22、mbols 3.1 Terms and definitions Page 20 3.1.35 Replace the existing term number, term, definition and NOTE by the following new term number, term, definition and NOTE: 3.1.45 insertion loss loss incurred by inserting a device between a source and load of equal impedance. The device itself may have a
23、 different impedance from the load and source impedance NOTE The terms operational attenuation or operational insertion loss are sometimes associated with this definition. 3.1.36 Replace the existing term number and definition by the following new term number and definition: 3.1.46 insertion loss de
24、viation difference between the measured insertion loss of cascaded components and the insertion loss determined by the sum of the individual component insertion losses 3A new edition (edition 3.0) to support measurements up to 1 000 MHz is under consideration. 6 11801 Amend. 1 ISO/IEC:2008(E) Page 2
25、1 3.1.41 Replace the existing term number and definition by the following new term number and definition: 3.1.51 link transmission path between two cabling system interfaces, including the connections at each end Pages 17 to 23 Insert, in the existing list of terms and definitions, the following new
26、 terms and definitions in alphabetical order and renumber the existing terms and definitions accordingly: 3.1.2 alien (exogenous) crosstalk signal coupling from a disturbing pair of a channel to a disturbed pair of another channel NOTE This also applies to the signal coupling from a disturbing pair
27、within a permanent link or component, used to create a channel, to a disturbed pair within a permanent link or component, used to create another channel. 3.1.3 alien (exogenous) far-end crosstalk loss (AFEXT) signal isolation between a disturbing pair of a channel and a disturbed pair of another cha
28、nnel, measured at the far-end NOTE This also applies to the measurement of the signal isolation between a disturbing pair within a permanent link or component, used to create a channel, and a disturbed pair within a permanent link or component, used to create another channel. 3.1.4 alien (exogenous)
29、 near-end crosstalk loss (ANEXT) signal isolation between a disturbing pair of a channel and a disturbed pair of another channel, measured at the near-end NOTE This also applies to the measurement of signal isolation between a disturbing pair within a permanent link or component, used to create a ch
30、annel, and a disturbed pair within a permanent link or component, used to create another channel. 3.1.7 attenuation to alien (exogenous) crosstalk ratio at the far-end (AACR-F) difference, in dB, between the alien far-end crosstalk loss from a disturbing pair of a channel and the insertion loss of a
31、 disturbed pair in another channel NOTE This also applies to the calculation using the alien far-end crosstalk loss from a disturbing pair within a permanent link or component, used to create a channel, and the insertion of a disturbed pair within a permanent link or component, used to create anothe
32、r channel. 3.1.8 attenuation to alien (exogenous) crosstalk ratio at the near-end (AACR-N) difference, in dB, between the alien near-end crosstalk loss from a disturbing pair of a channel and the insertion loss of a disturbed pair in another channel NOTE This also applies to the calculation using th
33、e alien near-end crosstalk loss from a disturbing pair within a permanent link or component, used to create a channel, and the insertion loss of a disturbed pair within a permanent link or component, used to create another channel. 3.1.9 attenuation to crosstalk ratio at the far-end (ACR-F) differen
34、ce, in dB, between the far-end crosstalk loss from a disturbing pair of a channel and the insertion loss of a disturbed pair of the same channel 11801 Amend. 1 ISO/IEC 2008(E) 7 NOTE This also applies to the calculation using the far-end crosstalk loss from a disturbing pair within a permanent link
35、or component, used to create a channel, and the insertion loss of a disturbed pair within the permanent link or component, of the same channel. 3.1.10 attenuation to crosstalk ratio at the near-end (ACR-N) difference, in dB, between the near-end crosstalk loss from a disturbing pair of a channel and
36、 the insertion loss of a disturbed pair of the same channel NOTE This also applies to the calculation using the near-end crosstalk loss from a disturbing pair within a permanent link or component, used to create a channel, and the insertion loss of a disturbed pair within the permanent link or compo
37、nent, of the same channel. 3.1.11 average power sum alien (exogenous) near-end crosstalk loss the calculated average of the power sum alien near-end crosstalk loss of the pairs of a disturbed channel NOTE This also applies to the calculation using the pairs within a permanent link used to create a c
38、hannel. 3.1.12 average power sum attenuation to alien (exogenous) crosstalk ratio far-end the calculated average of the power sum attenuation to alien crosstalk ratio at the far-end of the pairs of a disturbed channel NOTE This also applies to the calculation using the pairs within a permanent link
39、used to create a channel. 3.1.35 equal level far-end crosstalk ratio (ELFEXT) difference, in dB, between the far-end crosstalk loss from a disturbing pair of a channel and the insertion loss of a disturbing pair of the same channel NOTE This also applies to the calculation using the far-end crosstal
40、k loss from a disturbing pair within a permanent link or component, used to create a channel, and the insertion loss of a disturbing pair within a permanent link or component, of the same channel. 3.1.55 operating temperature stabilised temperature of the cabling combining ambient temperature with a
41、ny increase due to the application being supported 3.1.64 power sum alien (exogenous) far-end crosstalk loss (PS AFEXT) power sum of the signal isolation between multiple disturbing pairs of one or more channels and a disturbed pair of another channel, measured at the far-end NOTE This also applies
42、to the calculation using the multiple disturbing pairs within one or more permanent links or components and a disturbed pair within a permanent link or component, used to create another channel. 3.1.65 power sum alien (exogenous) near-end crosstalk loss (PS ANEXT) power sum of the signal isolation b
43、etween multiple disturbing pairs of one or more channels and a disturbed pair of another channel, measured at the near-end NOTE This also applies to the calculation using the multiple disturbing pairs within one or more permanent links or components and a disturbed pair within a permanent link or co
44、mponent, used to create another channel. 3.1.66 power sum attenuation to alien (exogenous) crosstalk ratio at the far-end (PS AACR-F) difference, in dB, between the power sum alien far-end crosstalk loss from multiple disturbing pairs of one or more channels and the insertion loss of a disturbed pai
45、r in another channel 8 11801 Amend. 1 ISO/IEC:2008(E) NOTE This also applies to the calculation using the power sum alien far-end crosstalk loss from multiple disturbing pairs within one or more permanent links or components and the insertion loss of a disturbed pair within a permanent link or compo
46、nent, used to create another channel. 3.1.67 power sum attenuation to alien (exogenous) crosstalk ratio at the near-end (PS AACR-N) difference, in dB, between the power sum alien near-end crosstalk loss from multiple disturbing pairs of one or more channels and the insertion loss of a disturbed pair
47、 in another channel NOTE This also applies to the calculation using the power sum alien near-end crosstalk loss from multiple disturbing pairs within one or more permanent links or components, and the insertion loss of a disturbed pair within a permanent link or component, used to create another cha
48、nnel. 3.1.68 power sum attenuation to crosstalk ratio at the far-end (PS ACR-F) difference, in dB, between the power sum far-end crosstalk loss from multiple disturbing pairs of a channel and the insertion loss of a disturbed pair in the same channel NOTE This also applies to the calculation using t
49、he power sum far-end crosstalk loss from multiple disturbing pairs within one or more permanent links or components, used to create a channel, and the insertion loss of a disturbed pair within a permanent link or component, of the same channel. 3.1.69 power sum attenuation to crosstalk ratio at the near-end (PS ACR-N) difference, in dB, between the power sum near-end crosstalk loss from multiple disturbing pairs of a channel and the insertion loss of a disturbed
