prEN IEC 62074-1:2024

SLOVENSKI STANDARD
01-april-2024
Optični spojni elementi in pasivne komponente - Optični elementi za WDM (valovni
multipleks) - 1. del: Splošna specifikacija
Fibre optic interconnecting devices and passive components - Fibre optic WDM devices -
Part 1: Generic specification
Lichtwellenleiter - Verbindungselemente und passive Bauteile - Lichtwellenleiter-WDM-
Bauteile - Teil 1: Fachgrundspezifikation
Dispositifs d'interconnexion et composants passifs à fibres optiques - Dispositifs WDM à
fibres optiques - Partie 1: Spécification générique
Ta slovenski standard je istoveten z: prEN IEC 62074-1:2024
ICS:
33.180.20 Povezovalne naprave za Fibre optic interconnecting
optična vlakna devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

86B/4853/CDV
COMMITTEE DRAFT FOR VOTE (CDV)

PROJECT NUMBER:
IEC 62074-1 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-02-09 2024-05-03
SUPERSEDES DOCUMENTS:
86B/4767/CD, 86B/4785A/CC
IEC SC 86B : FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS
SECRETARIAT: SECRETARY:
Japan Mr Shigeru Tomita
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
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CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
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clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for
submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Fibre optic interconnecting devices and passive components - Fibre optic WDM devices - Part 1:
Generic specification
PROPOSED STABILITY DATE: 2029
NOTE FROM TC/SC OFFICERS:
this electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee
positions. You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other
purpose without permission in writing from IEC.

IEC CDV 62074-1/Ed3 © IEC 2024 – 2 – 86B/4853/CDV
1 CONTENTS
2 CONTENTS . 2
3 FOREWORD . 5
4 1. Scope . 7
5 2. Normative references . 7
6 3. Terms and definitions. 7
7 3.1 Device terms . 8
8 3.2 Performance terms . 9
9 4. Requirements . 25
10 4.1 Classification . 25
11 4.1.1 General . 25
12 4.1.2 Technology . 26
13 4.1.3 Port configuration . 26
14 4.1.4 Wavelength (channel) spacing . 26
15 4.1.5 Internal structure . 26
16 4.1.6 Wavelength band . 27
17 4.1.7 Temperature control . 27
18 4.1.8 Interface style . 27
19 4.2 Documentation . 27
20 4.2.1 Symbols . 27
21 4.2.2 Drawings . 27
22 4.2.3 Tests and measurements . 27
23 4.2.4 Test report . 28
24 4.2.5 Instructions for use . 28
25 4.3 Standardisation system . 28
26 4.3.1 Interface standards . 28
27 4.3.2 Performance standards . 28
28 4.3.3 Reliability standards . 28
29 4.4 Design and construction . 28
30 4.4.1 Materials . 28
31 4.4.2 Workmanship . 29
32 4.5 Quality . 29
33 4.6 Performance requirements . 29
34 4.7 Identification and marking . 29
35 4.7.1 General . 29
36 4.7.2 Device marking . 29
37 4.7.3 Package marking . 29
38 4.8 Packaging . 29
39 4.9 Storage conditions . 30
40 4.10 Safety . 30
41 Annex A (informative) Transfer matrix . 31
42 A.1 General . 31
43 A.2 Transfer matrix . 31
44 A.3 Transfer matrix coefficient . 32
45 A.4 Logarithmic transfer matrix . 32
46 Annex B (informative) Specific performances of WDM devices for bidirectional
47 transmission system (example) . 34

IEC CDV 62074-1/Ed3 © IEC 2024 – 3 – 86B/4853/CDV
48 B.1 Generic . 34
49 B.2 Definition of near-end isolation and near-end crosstalk . 35
50 Annex C (informative) Transfer matrix as applications of WDM devices (example) . 36
51 C.1 Generic . 36
52 C.2 Wavelength multiplexer . 36
53 C.3 Wavelength demultiplexer . 37
54 C.4 Wavelength multiplexer/demultiplexer . 38
55 C.5 Wavelength router. 39
56 C.6 Wavelength channel add/drop . 40
57 Annex D (informative) Example of technology of thin film filter WDM devices . 42
58 D.1 General . 42
59 D.2 Thin film filter technology . 42
60 D.3 Typical characteristics of thin film filter . 43
61 Annex E (informative) Example of technology of fibre fused WDM devices . 44
62 E.1 General . 44
63 E.2 Typical characteristics of fibre fused WDM devices . 45
64 Annex F (informative) Example of arrayed waveguide grating (AWGs) technology . 46
65 F.1 General . 46
66 F.2 Typical characteristics of AWG . 46
67 Annex G (informative) Example of FBG filter technology . 48
68 G.1 General . 48
69 G.2 Typical characteristics of FBG filter . 49
70 Annex H (informative) Example interface style . 50
71 Bibliography . 51
73 Figure 1 – Illustration of channel wavelength range . 9
74 Figure 2– Illustration of insertion loss . 10
75 Figure 3 – Illustration of ripple . 11
76 Figure 4 – Illustration of channel insertion loss variation . 12
77 Figure 5 – Illustration of isolation wavelength. 13
78 Figure 6 – Illustration of isolation wavelength range . 14
79 Figure 7 – Illustration of adjacent channel isolation . 15
80 Figure 8 – Illustration of non-adjacent channel isolation . 16
81 Figure 9 – Illustration of maximum adjacent channel crosstalk . 17
82 Figure 10 – Illustration of maximum non-adjacent channel crosstalk . 18
83 Figure 11 – Illustration of a four-wavelength bidirectional system . 21
84 Figure 12 – Illustration of channel extinction ratio . 22
85 Figure 13 – Illustration of free spectral range . 23
86 Figure 14 – Illustration of polarization dependent centre wavelength (PDCW) . 23
87 Figure 15 – Illustration of X dB bandwidth . 25
88 Figure A.1 – Example of a six-port device, with two input and four output ports . 31
89 Figure A.2 – Illustration of transfer matrix coefficient . 32
90 Figure B.1 – Uni-directional and bi-directional transmission system application of a
91 1  2 WDM device . 34
92 Figure C.1 – Example of a wavelength multiplexer . 36

IEC CDV 62074-1/Ed3 © IEC 2024 – 4 – 86B/4853/CDV
93 Figure C.2 – Example of a wavelength demultiplexer . 37
94 Figure C.3 – Example of a wavelength multiplexer/demultiplexer . 38
95 Figure C.4 – Example of a wavelength router . 39
96 Figure C.5 – Example of wavelength channel add/drop . 40
97 Figure D.1 – Schematic configuration of a thin film filter WDM device . 42
98 Figure D.2 – Structure of multilayer thin film . 43
99 Figure D.3 – Typical characteris
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