ISO IEC 11801-1-2017 cor1-2018

Carl 2024-09-12 11 373.57KB 7 页 免费
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ISO/IEC 11801-1:2017/COR1:2018 – 1 –
© ISO/IEC 2018
ISO/IEC 11801-1
Edition 1.0 2017-11
INFORMATION TECHNOLOGY
GENERIC CABLING FOR CUSTOMER PREMISES
Part 1: General requirements
CORRIGENDUM 1
Foreword
Replace, in list item d), “Category BCT-B, 8.1, and 8.2;” with “Categories BCT-B, 8.1 and
8.2;”.
Replace list item f) with the following new list item:
f) addition of cabled optical fibre Categories OS1a and OM5;
Replace, in list item g), “silica optical fibre cabling;” with “optical fibre classes;”
Replace list item h) with the following new list item:
h) cabled optical fibre Categories OM1, OM2 and OS1 have been moved to an informative
annex.
Introduction
Replace the first paragraph with the following new paragraph:
This document contains general requirements in support of the other premises-specific
referenced cabling design documents developed by ISO/IEC JTC 1/SC 25 including
ISO/IEC 11801-2, ISO/IEC 11801-3, ISO/IEC 11801-4, ISO/IEC 11801-5, ISO/IEC 11801-6,
related Technical Specifications and Technical Reports (including the ISO/IEC TR 11801-99xx
series, ISO/IEC TR 24704, ISO/IEC TR 24750 and ISO/IEC TS 29125).
ISO/IEC 11801-1:2017-11/COR1:2018-04(en)
– 2 – ISO/IEC 11801-1:2017/COR1:2018
© ISO/IEC 2018
Figure 1 Relationships between the generic cabling documents produced by ISO/IEC
JTC 1/SC 25
Replace the figure graphic with the following new figure graphic:
3.1 Terms and definitions
In 3.1.26, delete “end-to-end” from the definition.
Delete the entire entry 3.1.32.
3.2 Abbreviations
Insert the following abbreviation:
connection
Replace:
FEXT far-end crosstalk attenuation (loss)
with:
FEXT far-end crosstalk (loss)
Replace:
NEXT near-end crosstalk attenuation (loss)
C
ISO/IEC 11801-1:2017/COR1:2018 – 3 –
© ISO/IEC 2018
with:
NEXT near-end crosstalk (loss)
3.3.1 Variables
Delete the following line:
connection
3.3.2 Indices
Delete the following line:
TO index to denominate a characteristic, measured from the TO
5.1 Functional elements
After the sentence “Groups of these functional elements are connected together to form
cabling subsystems.”, insert the following new note:
NOTE The numbering of the cabling subsystems does not imply a hierarchy.
Figure 5 – Equipment and test interfaces
Replace the figure graphic with the following new figure graphic:
Table 2 – Details of environmental classification
In row 20, insert “g/m
3
” after each numerical value in columns 2, 3 and 4, as follows:
C
4 – ISO/IEC 11801-1:2017/COR1:2018
© ISO/IEC 2018
Sodium chloride (salt/sea
water)
0 g/m3 < 0,3 g/m3 < 0,3 g/m3
In row 21, insert “mg/m3” after each numerical value in columns 2, 3 and 4, as follows:
Oil (dry-air concentration)
(for oil types see b)
0 mg/m3 < 0,005 mg/m3 < 0,5 mg/m3
In row 22, insert “mg/m3” after each numerical value in columns 3 and 4, as follows:
Sodium stearate (soap) None > 5 × 104 mg/m3 aqueous
non-gelling
> 5 × 104 mg/m3 aqueous
gelling
In rows 26 to 35, insert “mg/m3” after each numerical value in columns 2, 3 and 4, as follows:
Hydrogen sulphide < 0,003 mg/m3/
< 0,01 mg/m3
< 0,05 mg/m3/
< 0,5 mg/m3
< 10 mg/m3/ < 50 mg/m3
Sulphur dioxide < 0,01 mg/m3/
< 0,03 mg/m3
< 0,1 mg/m3/ < 0,3 mg/m3 < 5 mg/m3/ < 15 mg/m3
Sulphur trioxide (ffs) < 0,01 mg/m3/
< 0,03 mg/m3
< 0,1 mg/m3/ < 0,3 mg/m3 < 5 mg/m3/ < 15 mg/m3
Chlorine wet (> 50 %
humidity)
< 0,000 5 mg/m3/ < 0,001
mg/m3
< 0,005 mg/m3/
< 0,03 mg/m3
< 0,05 mg/m3/
< 0,3 mg/m3
Chlorine dry (< 50 %
humidity)
< 0,002 mg/m3/
< 0,01 mg/m3
< 0,02 mg/m3/
< 0,1 mg/m3
< 0,2 mg/m3/ < 1,0 mg/m3
Hydrogen chloride – / < 0,06 mg/m3 < 0,06 mg/m3/
< 0,3 mg/m3
< 0,6 mg/m3/ 3,0 mg/m3
Hydrogen fluoride < 0,001 mg/m3/
< 0,005 mg/m3
< 0,01 mg/m3/
< 0,05 mg/m3
< 0,1 mg/m3/ < 1,0 mg/m3
Ammonia < 1 mg/m3/ < 5 mg/m3 < 10 mg/m3/ < 50 mg/m3 < 50 mg/m3/ < 250 mg/m3
Oxides of nitrogen < 0,05 mg/m3/
< 0,1 mg/m3
< 0,5 mg/m3/ < 1 mg/m3 < 5 mg/m3/ < 10 mg/m3
Ozone < 0,002 g/m3/
< 0,005 g/m3
< 0,025 g/m3/ < 0,05 g/m3 < 0,1 g/m3/ < 1 g/m3
6.3.1 General
In the first sentence after list item 2), replace “two sub-Classes, L and M. with
“two sub-Classes, L and M (see Table 5).”
6.3.3.2 Insertion loss/attenuation
In the last paragraph before Table 5, delete “, at maximum implementation,”.
6.3.3.6 Direct current loop resistance
Replace the first paragraph with the following new paragraph:
The DC loop resistance requirements are applicable to all cabling Classes.

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作者:Carl 分类:国际标准 价格:免费 属性:7 页 大小:373.57KB 格式:PDF 时间:2024-09-12

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