ISO/IEC 14763-3:2014

ISO/IEC 14763-3
Edition 2.0 2014-06
INTERNATIONAL
STANDARD
colour
inside
Information technology – Implementation and operation of customer premises
cabling –
Part 3: Testing of optical fibre cabling

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ISO/IEC 14763-3
Edition 2.0 2014-06
INTERNATIONAL
STANDARD
colour
inside
Information technology – Implementation and operation of customer premises

cabling –
Part 3: Testing of optical fibre cabling

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
G
ICS 35.200 ISBN 978-2-8322-1631-6

– 2 – ISO/IEC 14763-3:2014  ISO/IEC 2014
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms, definitions and abbreviations . 10
3.1 Terms and definitions . 10
3.2 Abbreviations . 13
3.3 Symbols . 13
4 Conformance . 14
5 General requirements . 14
5.1 Test system . 14
5.2 Reference measurement and calibration . 15
5.3 Environmental conditions . 15
5.3.1 Protection of transmission and terminal equipment . 15
5.3.2 Inspecting and cleaning connectors . 15
5.3.3 Use of test equipment . 15
5.3.4 Relevance of measurement . 16
5.3.5 Treatment of marginal test results . 16
5.4 Documentation . 16
6 Test equipment . 16
6.1 Light source and power meter . 16
6.1.1 General . 16
6.1.2 Light sources . 16
6.1.3 Power meters . 17
6.1.4 Test system stability (ffs) . 17
6.2 OTDR . 17
6.2.1 General . 17
6.2.2 OTDR characterization using a launch test cord and a tail test
cord . 18
6.3 Test cords and adapters . 18
6.3.1 Connecting hardware at test interfaces . 18
6.3.2 Reference connector requirements . 19
6.3.3 Test cords . 20
6.4 MMF launched modal distribution . 22
6.5 SMF launch condition . 22
7 Inspection equipment. 22
8 Cabling under test – Channels and permanent links . 23
8.1 General . 23
8.2 Reference planes . 23
8.3 Wavelength of measurement . 24
8.4 Direction of measurement . 24
9 Testing of installed cabling . 25
9.1 Attenuation . 25
9.1.1 LSPM . 25
9.1.2 OTDR . 29

9.2 Propagation delay . 31
9.2.1 Test method . 31
9.2.2 Treatment of results . 32
9.3 Length . 32
9.3.1 Test method . 32
9.3.2 Measurement uncertainty . 32
9.3.3 Treatment of results . 32
10 Testing of cabling components within installed cabling . 33
10.1 Attenuation of optical fibre cable . 33
10.1.1 Test method . 33
10.1.2 Measurement uncertainty . 33
10.1.3 Treatment of results . 33
10.2 Attenuation of local and remote test interfaces . 34
10.2.1 Test method . 34
10.2.2 Test system measurement uncertainty . 34
10.2.3 Treatment of results . 35
10.3 Attenuation of connecting hardware . 36
10.3.1 Test method . 36
10.3.2 Treatment of results . 36
10.4 Return loss of connecting hardware . 37
10.4.1 Test method (in accordance with IEC 61300-3-6, method 2) . 37
10.4.2 Treatment of results . 38
10.4.3 Measurement uncertainty . 39
10.5 Optical fibre length . 39
10.5.1 Test method . 39
10.5.2 Measurement uncertainty . 41
10.5.3 Treatment of results . 41
10.6 Attenuation of cords . 41
10.6.1 Test method . 41
10.6.2 Treatment of results . 42
11 Inspection of cabling and cabling components . 42
11.1 Optical fibre continuity . 42
11.2 Cabling polarity . 42
11.3 Optical fibre cable length . 42
11.4 Inspection of optical fibre end faces . 43
11.5 Optical fibre core size . 43
Annex A (normative) Launch modal conditions for testing multimode optical fibre
cabling . 44
Annex B (normative) Visual inspection criteria for connectors . 45
Annex C (informative) Optical time domain reflectometry . 46
C.1 Operational capability . 46
C.1.1 Effective characterization. 46
C.1.2 Dynamic range . 46
C.1.3 Pulse width . 46
C.1.4 Integration or sample count . 46
C.2 Limitations of OTDR capability . 47
C.2.1 Minimum lengths of operation – Attenuation dead zone . 47
C.2.2 Ghosting . 48

– 4 – ISO/IEC 14763-3:2014  ISO/IEC 2014
C.2.3 Effective group index of refraction . 49
C.2.4 Backscattering coefficient . 49
Annex D (normative) Inspection and testing of test and substitution test cords . 50
D.1 General requirements . 50
D.2 Attenuation (test and substitution test cord reference connections) . 50
Annex E (informative) Enhanced three-test-cord and one-test-cord reference methods
for link and channel attenuation . 52
E.1 Reference methods
...