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BS ISO/IEC 14763-3:2024

BS ISO/IEC 14763-3:2024

$215.11

Information technology. Implementation and operation of customer premises cabling – Testing of optical fibre cabling

Published By Publication Date Number of Pages
BSI 2024 92
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
9 FOREWORD
11 INTRODUCTION
Figures
Figure 1 – Relationship of related International Standards
12 1 Scope
2 Normative references
13 3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
17 3.2 Abbreviated terms
18 3.3 Symbols
4 Conformance
19 5 Test equipment
5.1 General requirements
5.2 Documentation
5.3 Apparatus
5.4 Light source and power meter
5.4.1 Light source
21 5.4.2 Power meter
5.5 OTDR
5.5.1 General
Tables
Table 1 – MMF spectral requirements
Table 2 – SMF spectral requirements
22 5.5.2 OTDR requirements
23 5.6 Test cord connectors
5.6.1 Connecting hardware at test interfaces
5.6.2 Connecting hardware attenuation requirements
Figure 2 – OTDR characterization using a launch test cord and a tail test cord
24 5.6.3 Mechanical requirements for reference connectors
Table 3 – Connector identification and attenuation test limits
Table 4 – Single fibre MM reference connector requirements
25 Table 5 – Single fibre single-mode reference connector requirements
Table 6 – Multi-fibre MM reference connector requirements
Table 7 – Multi-fibre single-mode reference connector requirements
26 5.6.4 Reference adaptors at test interfaces
5.7 Test cord characteristics
5.7.1 General
5.7.2 LSPM launch test cord
Figure 3 – An example of test cord labelling and identification
27 5.7.3 LSPM tail test cord
5.7.4 LSPM substitution test cord
5.7.5 OTDR launch test cord
Figure 4 – OTDR launch test cord and tail test cord schematic
28 5.7.6 OTDR tail test cord
5.8 Visual inspection equipment
29 6 Testing
6.1 General
6.2 Reference planes
Figure 5 – Normal illumination (left) and illumination with floodlight (right)
30 Figure 6 – Representative reference planes for channels, links, permanent links, E2E links, MPTL
31 Figure 7 – Test reference planes
32 6.3 Wavelength of measurement
6.4 Direction of measurement
6.5 Protection of transmission and terminal equipment
6.6 Use of test equipment
6.7 Relevance of measurement
6.8 Visual inspection for cleanliness and cleaning of cabling interfaces
33 6.9 Testing of installed cabling
6.9.1 General
6.9.2 Attenuation of single fibre connector cabling – LSPM
Figure 8 – Fibre end face cleaning cycle
35 Figure 9 – Connection of LS to LTC to PM for reference setting
Figure 10 – Connection of LTC to TTC to verify attenuation of reference connectors
36 Figure 11 – Connections to link or permanent link for attenuation measurement
38 Figure 12 – Connection of LS to LTC to PM for reference setting
Figure 13 – Connection of LTC to TTC to verify attenuation of reference connectors
39 Figure 14 – Connections to E2E link for attenuation measurement
41 Figure 15 – Connection of LS to LTC to near end EQP cord to PM for reference setting
Figure 16 – Connections to channel test for attenuation measurement
43 Figure 17 – Connection of LS to LTC to PM for reference setting
Figure 18 – Connection of LTC to TTC to verify attenuation of reference connectors
44 Figure 19 – Connections to MPTL for attenuation measurement
45 6.9.3 Attenuation of multi-fibre connector cabling – LSPM
46 Figure 20 – Connection of LS to LTC to PM for reference setting
Figure 21 – Connection of LTC to TTC for test‐cord verification
47 Figure 22 – Connections to link or permanent link attenuation
49 Figure 23 – Connection of LS to LTC to PM for reference setting
Figure 24 – Connection of LTC to PCTC to TTC to verify the attenuation of reference connectors
50 Figure 25 – Connections to E2E link for attenuation measurement
52 Figure 26 – Connection of LS to LTC to PM for reference setting
Figure 27 – Connection of LTC to TTC for test‐cord verification
Figure 28 – Connection of LTC to PCTC to TTC for enhanced-three‐test‐cord verification
53 Figure 29 – MPO to single fibre link attenuation testing where no pin conversion is required on launch test cord
Figure 30 – MPO to single fibre link attenuation testing where pin conversion is required on LTC
55 6.9.4 Attenuation of link and channel by means of OTDR testing
56 Figure 31 – OTDR measurement of installed cabling (permanent link) – linear regression measurement method
58 Figure 32 – OTDR measurement of installed cabling (channel): two-point attenuation measurement method
59 6.9.5 Propagation delay
6.9.6 Length
61 6.9.7 Optical fibre continuity
6.9.8 Cabling polarity
6.9.9 Optical fibre core size
7 Performance assessment of installed cabling components using OTDR
7.1 General
7.2 OTDR basis
62 7.3 Fundamental parameters that define the operational capability of an OTDR
7.3.1 Dynamic range
63 7.3.2 Dynamic margin
7.3.3 Pulse width
7.3.4 Averaging time
7.3.5 Dead zone
7.3.6 Group index
64 7.3.7 Measurement range
7.3.8 Distance sampling
7.3.9 Event threshold
7.4 Bi-directional measurement
Table 8 – Default group index values
65 7.5 Attenuation of optical fibre cable
7.5.1 Test method
66 7.5.2 Treatment of results
7.6 Attenuation of local and remote test interfaces
7.6.1 Test method
Figure 33 – OTDR measurement of optical fibre attenuation
67 7.6.2 Test system measurement uncertainties
7.6.3 Treatment of results
68 7.7 Attenuation of connecting hardware
7.7.1 Test method
Figure 34 – OTDR measurement of connection attenuation
69 7.7.2 Test system measurement uncertainties
7.7.3 Treatment of results
Figure 35 – OTDR measurement of joint attenuation
70 7.8 Return loss of connecting hardware
7.8.1 General
7.8.2 Test method
71 7.8.3 Test system measurement uncertainties
7.8.4 Treatment of results
Figure 36 – OTDR measurement of return loss
72 7.9 Optical fibre length
7.9.1 Test method
Table 9 – Default backscattering coefficient values
73 Figure 37 – Determination of length using an OTDR
Figure 38 – OTDR characterization of a SMF permanent link containing a break
74 7.9.2 Measurement uncertainties
7.9.3 Treatment of results
Figure 39 – OTDR characterization of a permanent link containing a macrobend
75 8 Test result documentation
76 Annex A (normative) Test cord attenuation verification
A.1 General requirements
A.2 Attenuation (test and substitution test cord reference connections)
Figure A.1 – Measurement of launch test cord, tail test cordand substitution test cord interface attenuation
78 Annex B (informative) Quality planning
B.1 General
79 B.2 Specification of cabling components
B.3 Treatment of non-compliant results
80 Annex C (informative) Examples of calculations of channel and permanent link limits
C.1 Channel measurement
81 C.2 Permanent link measurement
82 Annex D (informative) Optional inspection of polished end face of test connectors
Table D.1 – Cladding zone requirements of reference connectors
83 Table D.2 – Core zone requirements of reference connectors
84 Annex E (normative) Cleaning of connectors
E.1 General
E.2 Cleaning procedure for LC multimode cabling interface
Figure E.1 – Example of multimode LCchannel interface
Figure E.2 – Example of multimode LClink interface
85 E.3 Cleaning procedure for the LC single-mode cabling interfaces
Figure E.3 – Example of MPOchannel interface
Figure E.4 – Example of MPOlink interface
Figure E.5 – Example of MPO ferrule with normal illumination (left) and side illumination (right)
86 E.4 Cleaning procedure for the LC/APC single-mode cabling interfaces
Figure E.6 – Example of single-mode LCchannel interface
Figure E.7 – Example of single-mode LClink interface
Figure E.8 – Example of single-mode LC/APC channel interface
Figure E.9 – Example of single-mode LC/APC link interface
87 E.5 Cleaning procedure for single-mode (SM) MPO APC cabling interface
Figure E.10 – Example of SM MPO APC channel interface
Figure E.11 – Example of SM MPO/APC link interface
88 Annex F (normative) MPO to MPO link or permanent link-enhanced-three-test-cord method LSPM
F.1 General
F.2 Requirements for the test system
F.3 Test method
89 Figure F.1 – Connection of LS to LTC to PM for reference setting
Figure F.2 – Connection of LTC to STC to TTC for enhanced-three‐test‐cord verification
Figure F.3 – Connections to link or permanent link for attenuation measurement where no pin conversion is required on test cords
90 F.4 Measurement uncertainties
F.5 Treatment of results
91 Bibliography

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BS ISO/IEC 14763-3:2024
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