prEN IEC 61753-021-06:2022

Fibre optic interconnecting devices and passive components - Performance standard - Part 021-06: Single-mode fibre optic connectors terminated as pigtails and patchcords for category OP+ - Extended outdoor protected environment

D133/C027: for all CLC/TC 86BXA revisions of standards, the dow is set to dow= dor + 12 months

Dispositifs d’interconnexion et composants passifs fibroniques - Norme de performance - Partie 021-06: Connecteurs à fibres optiques unimodales raccordés comme des fibres amorces ou des cordons de brassage pour la catégorie OP+ – Environnement extérieur protégé étendu

Optični spojni elementi in pasivne komponente - Izvedbeni standard - 021-06. del: Konektorji za enorodovna optična vlakna, zaključeni kot repki ali povezovalne vrvice za kategorijo OP+ - Razširjeno zunanje zaščiteno okolje

General Information

• Status: Not Published
• Publication Date: 29-Feb-2024
• ICS: 33.180.20 - Fibre optic interconnecting devices
• Technical Committee: CLC/TC 86BXA - Fibre optic interconnect, passive and connectorised components
• Drafting Committee: IEC/SC 86B - IEC_SC_86B
• Current Stage: 4060 - Enquiry results established and sent to TC, SR, BTTF - Enquiry
• Start Date: 04-Nov-2022
• Completion Date: 04-Nov-2022
• Ref Project: oSIST prEN IEC 61753-021-06:2022 - Fibre optic interconnecting devices and passive components - Performance standard - Part 021-06: Single-mode fibre optic connectors terminated as pigtails and patchcords for category OP+ - Extended outdoor protected environment

Relations

• Revises: EN 61753-021-6:2008 - Fibre optic interconnecting devices and passive components performance standard - Part 021-6: Grade B/2 single-mode fibre optic connectors for category O - Uncontrolled environment
• Effective Date: 26-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN IEC 61753-021-06:2022
01-oktober-2022

Optični spojni elementi in pasivne komponente - Izvedbeni standard - 021-06. del:

Konektorji za enorodovna optična vlakna, zaključeni kot repki ali povezovalne
vrvice za kategorijo OP+ - Razširjeno zunanje zaščiteno okolje

Fibre optic interconnecting devices and passive components - Performance standard -

Part 021-06: Single-mode fibre optic connectors terminated as pigtails and patchcords

for category OP+ - Extended outdoor protected environment

Dispositifs d’interconnexion et composants passifs fibroniques - Norme de performance -

Partie 021-06: Connecteurs à fibres optiques unimodales raccordés comme des fibres

amorces ou des cordons de brassage pour la catégorie OP+ – Environnement extérieur

protégé étendu
Ta slovenski standard je istoveten z: prEN IEC 61753-021-06:2022
ICS:
33.180.20 Povezovalne naprave za Fibre optic interconnecting
optična vlakna devices
oSIST prEN IEC 61753-021-06:2022 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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86B/4631/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61753-021-06 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2022-08-12 2022-11-04
SUPERSEDES DOCUMENTS:
86B/4576/CD, 86B/4594A/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

SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING

Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
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
CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.

Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of

which they are aware and to provide supporting documentation.
TITLE:

Fibre optic interconnecting devices and passive components - Performance standard - Part 021-

06: Single-mode fibre optic connectors terminated as pigtails and patchcords for category OP+ –

Extended outdoor protected environment
PROPOSED STABILITY DATE: 2032
NOTE FROM TC/SC OFFICERS:

Copyright © 2022 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download 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.
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1 CONTENTS

2 FOREWORD ........................................................................................................................... 3

3 INTRODUCTION ..................................................................................................................... 5

4 1 Scope .............................................................................................................................. 6

5 2 Normative references ...................................................................................................... 6

6 3 Terms and definitions ...................................................................................................... 8

7 4 Test ................................................................................................................................. 9

8 5 Test report ....................................................................................................................... 9

9 6 Reference components .................................................................................................... 9

10 7 Performance requirements .............................................................................................. 9

11 7.1 General ................................................................................................................... 9

12 7.2 Dimensions ............................................................................................................. 9

13 7.3 Sample size and test sequencing ............................................................................ 9

14 7.4 Endface geometry ................................................................................................. 10

15 7.5 Visual examination ................................................................................................ 10

16 7.6 Performance criteria ............................................................................................. 10

17 7.7 Performance details .............................................................................................. 12

18 Annex A (normative) Sample size ....................................................................................... 20

19 Annex B (normative) Visual examination of outer cable sheath movement .......................... 21

20 B.1 Scope ................................................................................................................... 21

21 B.2 Preparation of the sample and initial visual examination ....................................... 21

22 B.3 Final visual examination of outer cable sheath movement ..................................... 21

23 Bibliography .......................................................................................................................... 22

25 Figure 1 – Pigtail test sample .................................................................................................. 8

26 Figure 2 – Patchcord test sample ............................................................................................ 9

27 Figure B.1 – Example of initial marking of the cable sheath .................................................. 21

28 Figure B.2 – Example of final visual examination .................................................................. 21

30 Table 1 – Pass/Fail criteria ................................................................................................... 11

31 Table 2 – Performance test details ........................................................................................ 13

32 Table A.1 – Sample size ....................................................................................................... 20

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35 INTERNATIONAL ELECTROTECHNICAL COMMISSION
36 ____________
38 FIBRE OPTIC INTERCONNECTING
39 DEVICES AND PASSIVE COMPONENTS – PERFORMANCE STANDARD –
41 Part 021-06: Single-mode fibre optic connectors terminated as pigtails
42 and patchcords for category OP+ – Extended outdoor protected
43 environment
45 FOREWORD

46 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

47 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

48 international co-operation on all questions concerning standardization in the electrical and electronic fields. To

49 this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

50 Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

51 Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

52 in the subject dealt with may participate in this preparatory work. International, governmental and non-

53 governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

54 with the International Organization for Standardization (ISO) in accordance with conditions determined by

55 agreement between the two organizations.

56 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

57 consensus of opinion on the relevant subjects since each technical committee has representation from all

58 interested IEC National Committees.

59 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

60 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

61 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

62 misinterpretation by any end user.

63 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

64 transparently to the maximum extent possible in their national and regional publications. Any divergence

65 between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

66 the latter.

67 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

68 assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

69 services carried out by independent certification bodies.

70 6) All users should ensure that they have the latest edition of this publication.

71 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

72 members of its technical committees and IEC National Committees for any personal injury, property damage or

73 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

74 expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

75 Publications.

76 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

77 indispensable for the correct application of this publication.

78 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

79 patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

80 IEC 61753-021-06 has been prepared by subcommittee 86B: Fibre optic interconnecting

81 devices and passive components, of IEC technical committee 86: Fibre optics. It is an

82 International Standard.

83 This first edition cancels and replaces the first edition of IEC 61753-021-6 published in 2007.

84 This edition constitutes a technical revision.

85 This edition includes the following significant technical changes with respect to the previous

86 edition:

87 a) updated environmental category (from O to OP+), tests and their severities according to

88 IEC 61753-1:2018;
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89 b) removed the copyright notice as it is no longer needed;

90 c) changed title and scope to remove restrictions on attenuation and return loss grades;

91 d) changed the term and definitions of the different type of test samples (pigtail test samples

92 and patchcord test samples) used in the various tests to avoid confusion;

93 e) removed the term and definition for small form factor (SFF) connectors as it is no longer

94 used in the document;

95 f) updated fibre naming conventions according to IEC 60793-2-50:2018 and added

96 provisions for B-657 fibres;
97 g) added all the attenuation and return loss grades defined in IEC 61753-1;
98 h) removed the static side load test;

99 i) removed the need to perform all tests sequentially to align with other performance

100 standards;
101 j) added provisions for rectangular ferrule connectors;

102 k) added Annex B for visual examination of the outer cable sheath movement of reinforced

103 cables as an additional requirement for change of temperature, cable retention and flexing

104 of the strain relief tests.
105 The text of this International Standard is based on the following documents:
Draft Report on voting
XX/XX/FDIS XX/XX/RVD
106

107 Full information on the voting for its approval can be found in the report on voting indicated in

108 the above table.

109 The language used for the development of this International Standard is English.

110 This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in

111 accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement,

112 available at www.iec.ch/members_experts/refdocs. The main document types developed by

113 IEC are described in greater detail at www.iec.ch/standardsdev/publications.

114 A list of all parts of the IEC 61753 series, published under the general title Fibre optic

115 interconnecting devices and passive components performance standard, can be found on the

116 IEC website.

117 The committee has decided that the contents of this document will remain unchanged until the

118 stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

119 the specific document. At this date, the document will be
120 • reconfirmed,
121 • withdrawn,
122 • replaced by a revised edition, or
123 • amended.
124
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125 INTRODUCTION

126 Performance standards define the requirements for standard optical performance under a set

127 of specified conditions. Each standard contains a series or a set of tests and measurements

128 with clearly stated conditions, severities and pass/fail criteria. The series of tests, commonly

129 referred to as an operating service environment or performance category, is intended to be

130 run on a ‘one-off’ basis to prove the product’s ability to satisfy the requirements of a specific

131 application, market sector or user group.

132 The subsequent parts of this document define those sets of tests which form each operating

133 service environment or performance category, and which have been standardized for

134 international use. A product that has been shown to meet all the requirements of a

135 performance standard may be declared as complying with that performance standard.

136 Products having the same classification from one manufacturer that satisfy a performance

137 standard will operate within the boundaries set by the performance standard. Intermateability

138 or interchangeability of products from different suppliers (having the same classification and

139 conforming to the same performance standard) can only be guaranteed when these products

140 also meet the interface standards. Only in this condition will an equivalent level of

141 performance be provided when they are used together (for example, in the case of optical

142 connectors).

143 Conformance to a performance standard is not a guarantee of lifetime assured performance

144 or reliability.

145 Reliability testing must be the subject of a separate test schedule, where the tests and

146 severities selected are truly representative of the requirements of this reliability test

147 programme. Consistency of manufacture should be maintained using a recognized Quality

148 Assurance programme whilst the reliability of the product should be evaluated using the

149 procedures recommended in IEC 62005.

150 Tests and measurements should be selected from the IEC 61300 series. Where this is not

151 possible, the required test method should be attached as an annex to the performance

152 standard.
153
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154 FIBRE OPTIC INTERCONNECTING
155 DEVICES AND PASSIVE COMPONENTS – PERFORMANCE STANDARD –
156
157 Part 021-06: Single-mode fibre optic connectors terminated as pigtails
158 and patchcords for category OP+ – Extended outdoor protected
159 environment
160
161
162
163 1 Scope

164 This part of IEC 61753 defines the minimum initial test and measurement requirements and

165 severities which single-mode fibre optic connectors terminated as a pigtail and a patchcord

166 satisfies in order to be categorised as meeting the IEC standard category OP+ (extended

167 outdoor protected environment), as defined in IEC 61753-1.
168 2 Normative references

169 The following documents are referred to in the text in such a way that some or all of their

170 content constitutes requirements of this document. For dated references, only the edition

171 cited applies. For undated references, the latest edition of the referenced document (including

172 any amendments) applies.

173 IEC 60793-2-50, Optical fibres – Part 2-50: Product specifications – Sectional specification for

174 class B single-mode fibres

175 IEC 60794-2-50, Optical fibre cables – Part 2-50: Indoor cables – Family specification for

176 simplex and duplex cables for use in terminated cable assemblies

177 IEC 61300-1, Fibre optic interconnecting devices and passive components – Basic test and

178 measurement procedures – Part 1: General and guidance

179 IEC 61300-2-1, Fibre optic interconnecting devices and passive components – Basic test and

180 measurement procedures – Part 2-1: Tests – Vibration (sinusoidal)

181 IEC 61300-2-2, Fibre optic interconnecting devices and passive components – Basic test and

182 measurement procedures – Part 2-2: Tests – Mating durability

183 IEC 61300-2-4, Fibre optic interconnecting devices and passive components – Basic test and

184 measurement procedures – Part 2-4: Tests – Fibre or cable retention

185 IEC 61300-2-5, Fibre optic interconnecting devices and passive components – Basic test and

186 measurement procedures – Part 2-5: Tests – Torsion

187 IEC 61300-2-6, Fibre optic interconnecting devices and passive components – Basic test and

188 measurement procedures – Part 2-6: Tests – Tensile strength of coupling mechanism

189 IEC 61300-2-7, Fibre optic interconnecting devices and passive components – Basic test and

190 measurement procedures – Part 2-7: Tests – Bending moment

191 IEC 61300-2-12, Fibre optic interconnecting devices and passive components – Basic test

192 and measurement procedures – Part 2-12: Tests – Impact

193 IEC 61300-2-17, Fibre optic interconnecting devices and passive components – Basic test

194 and measurement procedures – Part 2-17: Tests – Cold
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195 IEC 61300-2-18, Fibre optic interconnecting devices and passive components – Basic test

196 and measurement procedures – Part 2-18: Tests – Dry heat

197 IEC 61300-2-21, Fibre optic interconnecting devices and passive components – Basic test

198 and measurement procedures – Part 2-21: Tests – Composite temperature/humidity cyclic test

199 IEC 61300-2-22, Fibre optic interconnecting devices and passive components – Basic test

200 and measurement procedures – Part 2-22: Tests – Change of temperature

201 IEC 61300-2-26, Fibre optic interconnecting devices and passive components – Basic test

202 and measurement procedures – Part 2-26: Tests – Salt mist

203 IEC 61300-2-27, Fibre optic interconnecting devices and passive components – Basic test

204 and measurement procedures – Part 2-27: Tests – Dust – Laminar flow

205 IEC 61300-2-44, Fibre optic interconnecting devices and passive components – Basic test

206 and measurement procedures – Part 2-44: Tests – Flexing of the strain relief of fibre optic

207 devices

208 IEC 61300-2-50, Fibre optic interconnecting devices and passive components – Basic test

209 and measurement procedures – Part 2-50: Tests – Fibre optic connector proof test with static

210 load – Singlemode and multimode

211 IEC 61300-3-1, Fibre optic interconnecting devices and passive components – Basic test and

212 measurement procedures – Part 3-1: Examinations and measurements – Visual examination

213 IEC 61300-3-3, Fibre optic interconnecting devices and passive components – Basic test and

214 measurement procedures – Part 3-3: Examinations and measurements – Active monitoring of

215 changes in attenuation and return loss

216 IEC 61300-3-4, Fibre optic interconnecting devices and passive components – Basic test and

217 measurement procedures – Part 3-4: Examinations and measurements – Attenuation

218 IEC 61300-3-6, Fibre optic interconnecting devices and passive components – Basic test and

219 measurement procedures – Part 3-6: Examinations and measurements – Return loss

220 IEC 61300-3-28, Fibre optic interconnecting devices and passive components – Basic test

221 and measurement procedures – Part 3-28: Examinations and measurements – Transient loss

222 IEC 61300-3-34, Fibre optic interconnecting devices and passive components – Basic test

223 and measurement procedures – Part 3-34: Examinations and measurements – Attenuation of

224 random mated connectors

225 IEC 61300-3-45, Fibre optic interconnecting devices and passive components – Basic test

226 and measurement procedures – Part 3-45: Examinations and measurements – Attenuation of

227 random mated multi-fibre connectors

228 IEC 61753-1, Fibre optic interconnecting devices and passive components – Performance

229 standard – Part 1: General and guidance

230 IEC 61754 (all parts), Fibre optic interconnecting devices and passive components – Fibre

231 optic connector interfaces

232 IEC 61755 (all parts), Fibre optic interconnecting devices and passive components – Fibre

233 optic connector optical interfaces

234 IEC 61755-2 (all parts), Fibre optic interconnecting devices and passive components – Fibre

235 optic connector optical interfaces – Part 2: Optical interface
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236 IEC 61755-3 (all parts), Fibre optic interconnecting devices and passive components – Fibre

237 optic connector optical interfaces – Part 3: Optical interface
238 3 Terms and definitions

239 For the purposes of this document, the terms and definitions given in IEC 61753-1 and the

240 following apply.

241 ISO and IEC maintain terminological databases for use in standardization at the following

242 addresses:
243 • ISO Online browsing platform: available at https://www.iso.org/obp
244 • IEC Electropedia: available at http://www.electropedia.org/
245 3.1
246 change in attenuation
247 δ

248 ± deviation from the original value of the transmitted power at the start of the test

249 3.2
250 sample

251 complete set of connector components required to provide demountable coupling between

252 one or more pairs of optical fibres
253 3.3
254 pigtail test sample
255 two pigtails mated with an adaptor
256 Note 1 to entry: See Figure 1.
Adaptor
Pigtail Pigtail
257
258 Figure 1 – Pigtail test sample
259 3.4
260 patchcord test sample
261 patchcord mated to two pigtails using adaptors
262 Note 1 to entry: See Figure 2.
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Adaptor Adaptor
Pigtail Pigtail
Patchcord
263
264 Figure 2 – Patchcord test sample
265 4 Test

266 All test and measurement methods have been selected from the IEC 61300 series and the

267 test parameters and requirements from IEC 61753-1 as defined in 7.6 and 7.7. Additional

268 requirements to certain tests are given in Annex B.

269 The connector plugs under test shall be terminated onto single-mode fibre per IEC 60793-2-

270 50, type B-652 or B-657, in either buffered or reinforced cable format. The reinforced cable

271 used for the pigtails or patchcords shall conform to the requirements of IEC 60794-2-50. Care

272 shall be taken to respect the minimum bend radius of the cable. The connector interface

273 standard shall meet the dimensions of the relevant part of the IEC 61754 series and the

274 connector optical interface standard shall meet the relevant requirements of the IEC 61755

275 series.
276 5 Test report

277 Fully documented test reports and supporting evidence shall be prepared and available for

278 inspection as evidence that the tests have been carried out and the results are satisfactory.

279 6 Reference components
280 No reference components are required to perform the tests in this document.
281 7 Performance requirements
282 7.1 General

283 Unless otherwise specified, all tests shall be carried out at standard atmospheric conditions

284 as specified in IEC 61300-1.
285 7.2 Dimensions

286 Dimensions shall comply with the appropriate IEC interface standard as defined in IEC 61754.

287 7.3 Sample size and test sequencing

288 For the purposes of this standard, a sample is composed of pigtail test samples or patchcord

289 test samples (see Clause 3). The sample sizes to be used for the tests shall be as defined in

290 Annex A. The tests are not intended to be performed in any particular sequence or grouping,

291 but rather, individually on new samples. Samples for the first test (attenuation) are to be

292 randomly selected and randomly mated new products. Samples for the second test (return

293 loss) are the same plugs selected and mated for the first test. Samples from the previous

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294 tests may be used if desired. If a failure occurs on a sample that was tested in a previous test,

295 a new set of samples shall be prepared, and the failed test shall be re-done.

296 7.4 Endface geometry

297 The connector endface shall comply with the endface geometry requirements of the applicable

298 IEC optical interface standard as defined in the IEC 61755-3 series. Compliance to the

299 appropriate optical interface standard shall be confirmed on all samples before the start of

300 testing and after each of the tests have been completed. Non-compliance with the endface

301 geometry requirements of the applicable optical interface standard on any connector tested

302 results in a failure of this performance standard.
303 7.5 Visual examination

304 A visual examination shall be carried out on all samples before and after each of the

305 mechanical and climatic tests (see Table 2). The outer cable sheath of the samples with

306 reinforced cable shall be marked at the end of the connector boot during the initial visual

307 examination (see Annex B).

308 The connector endface shall comply with the visual requirements for defects and scratches

309 according to the relevant part of the IEC 61755-2 series.
310 7.6 Performance criteria

311 The optical performance levels shall meet the requirements of one specific grade as defined

312 in IEC 61753-1 (See Table 1).
313
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314 Table 1 – Pass/Fail criteria
Criterion Examinations and
Initial During and/or after test
No. Measurements
Attenuation – Grade B:
Random Mate
1 ≤ 0,12 dB mean
IEC 61300-3-34 for
≤ 0,25 dB max. for ≥ 97 %
cylindrical ferrules
of samples
IEC 61300-3-45 for
Grade C:
rectangular ferrules
≤ 0,25 dB mean
≤ 0,50 dB max. for ≥ 97 %
of samples
Grade D:
≤ 0,50 dB mean
≤ 1,00 dB max. for ≥ 97 %
of samples
At 1 310 nm, 1 550 nm
and 1 625 nm
2 Return loss Grade 1: ≥ 60 dB The initial requirement shall be met.
IEC 61300-3-6 Grade 2: ≥ 45 dB
Grade 3: ≥ 35 dB
Grade 4: ≥ 26 dB
3 Active monitoring of Change in attenuation during test :
changes in
δ ≤ 0,2 dB at 1 310 nm and 1 550 nm and δ ≤
attenuation and
0,3 at 1 625 nm for pigtail test samples (1
return loss (multiple
connection)
path)
δ ≤ 0,5 dB at 1 310 nm, δ ≤ 0,6 dB at 1 550 nm
IEC 61300-3-3
and δ ≤ 0,8 dB at 1 625 nm for patchcord test
samples (2 connections)
Change in attenuation after test :
δ ≤ 0,2 dB at 1 310 nm, 1 550 nm and 1 625
nm for pigtail test samples (1 connection)
δ ≤ 0,4 dB at 1 310 nm, 1 550 nm and 1 625 nm
for patchcord test samples (2 connections)
The initial return loss requirement shall be met.
4 Transient Loss Change in attenuation during test :
IEC 61300-3-28 δ ≤ 0,5 dB at 1 550 nm per connection
δ ≤ 1,0 dB at 1 625 nm per connection
Change in attenuation after test :
δ ≤ 0,2 dB at 1 550 nm and 1 625 nm per
connection
315
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316 Table 1 (continued)
Criterion Examinations and
Initial During and/or after test
No. Measurements
The connector plugs and
5 Visual inspection After the test, the DUT shall be inspected and
adaptors shall be comply with the initial requirements.
inspected for damage
that might impair the
IEC 61300-3-1
performance. This
inspection shall include:
...