IEC 61753-085-2:2008

IEC 61753-085-2 ®
Edition 1.0 2008-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components performance
standard –
Part 085-2: Non-connectorized single-mode pigtailed CWDM devices for
category C – Controlled environment

Norme de qualité de fonctionnement des dispositifs d'interconnexion et
composants passifs à fibres optiques –
Partie 085-2: Dispositifs CWDM à fibre amorce unimodale non connectorisés de
catégorie C – Environnement contrôlé

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IEC 61753-085-2 ®
Edition 1.0 2008-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components performance
standard –
Part 085-2: Non-connectorized single-mode pigtailed CWDM devices for
category C – Controlled environment

Norme de qualité de fonctionnement des dispositifs d'interconnexion et
composants passifs à fibres optiques –
Partie 085-2: Dispositifs CWDM à fibre amorce unimodale non connectorisés de
catégorie C – Environnement contrôlé

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
N
CODE PRIX
ICS 33.180.10 ISBN 978-2-88910-557-1
– 2 – 61753-085-2 © IEC:2008
CONTENTS
FOREWORD.3
1 Scope.5
2 Normative references .5
3 Test.6
4 Test report.6
5 Performance requirements .6
5.1 Reference components.6
5.2 Dimensions .6
5.3 Sample size and grouping .6
5.4 Test details and requirements .6
Annex A (normative) Sample size and grouping .13
Bibliography.14

Table 1 – Test details and requirements .7
Table A.1 – Sample size and grouping of tests .13

61753-085-2 © IEC:2008 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING DEVICES AND
PASSIVE COMPONENTS PERFORMANCE STANDARD –

Part 085-2: Non-connectorized single-mode
pigtailed CWDM devices for category C –
Controlled environment
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
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with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
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between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
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5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61753-085-2 has been prepared by subcommittee 86B: Fibre optic
interconnecting devices and passive components, of IEC technical committee 86: Fibre optics.
This bilingual version, published in 2009-01 corresponds to the English version.
The text of this standard is based on the following documents:
FDIS Report on voting
86B/2703/FDIS 86B/2724/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
The French version of this standard has not been voted upon.

– 4 – 61753-085-2 © IEC:2008
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of IEC 61753 series, under the general title Fibre optic interconnecting
devices and passive components performance standards, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
61753-085-2 © IEC:2008 – 5 –
FIBRE OPTIC INTERCONNECTING DEVICES AND
PASSIVE COMPONENTS PERFORMANCE STANDARD –

Part 085-2: Non-connectorized single-mode
pigtailed CWDM devices for category C –
Controlled environment
1 Scope
This part of IEC 61753 contains the minimum initial test and measurement requirements and
severities which a fibre optic pigtailed coarse wavelength division multiplexing (CWDM)
device needs to satisfy in order to be categorized as meeting the requirements of category C
(controlled environments), as defined in Annex A of IEC 61753-1. CWDM is defined in
IEC 62074-1.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 61300-2-1, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-1: Tests – Vibration (sinusoidal)
IEC 61300-2-14, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 2-14: Tests – Optical power handling and damage
threshold characterization
IEC 61300-2-17, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 2-17: Tests – Cold
IEC 61300-2-18, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 2-18: Tests – Dry heat – High temperature endurance
IEC 61300-2-19, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 2-19: Tests – Damp heat (steady state)
IEC 61300-2-22, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 2-22: Tests – Change of temperature
IEC 61300-2-42, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 2-42: Tests – Static side load for connectors
IEC 61300-2-44, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 2-44: Tests – Flexing of the strain relief of fibre optic
devices
IEC 61300-3-6, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-6: Examinations and measurements – Return loss
IEC 61300-3-7, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-7: Wavelength dependence of attenuation and return loss

– 6 – 61753-085-2 © IEC:2008
IEC 61300-3-20, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 3-20: Examinations and measurements – Directivity of
fibre optic branching devices
IEC 61300-3-29, Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures – Part 3-29: Examinations and measurements – Measurement
techniques for characterizing the amplitude of the spectral transfer function of DWDM
components
IEC 61753-1, Fibre optic interconnecting devices and passive components performance
standard – Part 1: General and guidance for performance standards
3 Test
Unless otherwise specified, all test methods are in accordance with the relevant part of
IEC 61300.
The samples shall be terminated onto single-mode fibres as per IEC 61753-1 in either coated
fibres (primary and secondary) or reinforced cable format. All tests shall be carried out over
the wavelength range defined by the customer’s application; the complete CWDM wavelength
range as defined in ITU-T Recommendation G.694.2 or a wider wavelength range such as
from 1 250 nm to 1 650 nm may be used.
4 Test report
Fully documented test reports and supporting evidence shall be prepared and be available for
inspection as evidence that the tests have been carried out and complied with.
5 Performance requirements
5.1 Reference components
The testing for these components does not require the use of reference components.
5.2 Dimensions
Dimensions shall comply with either an appropriate IEC interface standard or with those given
in appropriate manufacturers drawings, where the IEC interface standard does not exist or
cannot be used.
5.3 Sample size and grouping
Sample sizes for the tests are defined in Annex A of this standard.
Test groups shall be performed individually.
5.4 Test details and requirements
The requirements are given only for pigtailed WDM devices. For connectorized components,
the connector performances shall be in compliance with IEC 61753-1.

61753-085-2 © IEC:2008 – 7 –
Table 1 – Test details and requirements
No. Test Requirement Details
Centre wavelength Launch
≥ 2 m
Centre wavelength:
(CWL) patchcord
- channel 1:  1 271nm
length:
- channel 2:  1 291nm
- channel 3:  1 311nm
Source type: Unpolarized
IEC 61300-3-7;
- channel 4:  1 331nm
Launch The wavelength of the
- channel 5:  1 351nm
IEC 61300-3-29
conditions: source shall be longer than
- channel 6:  1 371nm
cut-off wavelength of the
- channel 7:  1 391nm
fibre
- channel 8:  1 411nm
Other Test results should be
- channel 9:  1 431nm
requirements: obtained under
- channel 10: 1 451nm
measurement uncertainty of
- channel 11: 1 471nm
± 0,05 nm
- channel 12: 1 491nm
- channel 13: 1 511nm
- channel 14: 1 531nm
- channel 15: 1 551nm
- channel 16: 1 571nm
- channel 17: 1 591nm
- channel 18: 1 611nm
NOTE These wavelengths
correspond to central wave-
lengths as specified in ITU-T
Recommendation ITU-G.694.2
2 Passband Launch
CWL +/- 6,5 nm ≥ 2 m
patchcord
IEC 61300-3-7; Passband is defined as 0,5 dB length:
IEC 61300-3-29 bandwidth.
Source type:
Unpolarized broadband
NOTE This passband light.
corresponds to a maximum
Launch
The wavelength of the
central wavelength deviation of ±
conditions:
source shall be longer than
6,5 nm as specified in ITU-T
cut-off wavelength of the
Recommendation G.695
fibre.
Other
Test results should be
requirements:
obtained under
measurement uncertainty of
± 0,05 nm
– 8 – 61753-085-2 © IEC:2008
Table 1 (continued)
No. Test Requirement Details
3 Type A: Launch
Attenuation ≥ 2 m
≤ 1,4 dB (1-channel device) patchcord
IEC 61300-3-7 ≤ 2,1 dB (4-channel device) length:
≤ 2,8 dB (8-channel device)
Source type: Unpolarized
≤ 3,5 dB (12-channel device)
Launch The wavelength of the
≤ 4,3 dB (16-channel device)
conditions: source shall be longer than

cut-off wavelength of the
Type B:
fibre.
≤ 1,7 dB (1-channel device)
Other Test results should be
≤ 2,7 dB (4-channel device)
requirements: obtained under
≤ 4,0 dB (8-channel device)
measurement uncertainty of
≤ 5,3 dB (12-channel device)
± 0,1 dB
≤ 6,1 dB (16-channel device)
4 Total channel isolation Launch
≥ 30 dB ≥ 2 m
patchcord
IEC 61300-3-7; length:
IEC 61300-3-29
Source type: Unpolarized.
Launch The wavelength of the
conditions: source shall be longer than
cut-off wavelength of the
fibre.
Other Test results should be
requirements: obtained under
measurement uncertainty of
± 1 dB
5 Ripple Type A: ≤ 0,3 dB Launch
≥ 2 m
Type B: ≤ 0,5 dB patchcord
IEC 61300-3-7; length:
IEC 61300-3-29
Source type: Unpolarized.
Launch The wavelength of the
conditions: source shall be longer than
cut-off wavelength of the
fibre.
Other Test results should be
requirements: obtained under
measurement uncertainty of
± 0,05 dB
6 ≤ 1,0 dB (4-channel device) Launch
≥ 2 m
Channel non-uniformity
≤ 1,5 dB (8-channel device) patchcord
≤ 2,0 dB (12-channel device) length:
≤ 2,5 dB (16-channel device) Source type: Unpolarized.
IEC 61300-3-7;
Launch The wavelength of the
IEC 61300-3-29
conditions: source shall be longer than
cut-off wavelength of the
fibre.
Other Test results should be
requirements: obtained under non
measurement uncertainty of
± 0,1 dB.
Depending on applications,
channel non-uniformity may
not be required. This needs
then to be agreed between
the buyer and the supplier
7 Out-of-band attenuation ≥ 20 dB; over the complete Launch
≥ 2 m
wavelength range patchcord
IEC 61300-3-7; length:
IEC 61300-3-29
Source type: Unpolarized .
Launch The wavelength of the
conditions: source shall be longer than
cut-off wavelength of the
fibre.
Other Test results should be
requirements: obtained under
measurement uncertainty of
± 1 dB
61753-085-2 © IEC:2008 – 9 –
Table 1 (continued)
No. Test Requirement Details
8 Directivity Source: LD
>= 50 dB Grade U;
within the passband Other Test results should be
IEC 61300-3-20
requirements obtained under
measurement uncertainty of
± 1 dB.
All ports not under test
shall be terminated to avoid
unwanted reflections
contributing to the
measurement.
The directivity shall be
measured between any pair
of input or output ports.
NOTE Because of the
high cost of this test, the
buyer and manufacturer
may agree to discard it.
However, the potential
negative effect of this
parameter on system
performance must not be
neglected
9 Return loss
>= 50 dB Grade U; Source: LD
over the complete wavelength
IEC 61300-3-6 Other Test results should be
range
requirements: obtained under
measurement uncertainty of
± 1 dB.
All ports not under test
shall be terminated to avoid
unwanted reflections
contributing to the
measurement.
NOTE Because of the
high cost of this test, the
buyer and manufacturer
may agree to discard it.
However, the potential
negative effect of this
parameter on system
performance must not be
neglected
Polarization dependent ≤ 0,2 dB Launch ≥ 2 m
loss (PDL) patchcord
length:
IEC 61300-3-2
Source type: LD
Other Test results should be
requirements: obtained under
measurement uncertainty of
± 0,05 dB
– 10 – 61753-085-2 © IEC:2008
Table 1 (continued)
No. Test Requirement Details
Optical power handling During the test the attenuation Source type LD
and damage threshold limits of test no. 3 shall be met.
Max. total input + 20 dBm
characterization Moreover, during and on
power to be
completion of the test, the
applied::
IEC 61300-2-14 attenuation shall be within ±
0,3 dB of original value under
Max. channel + 6 dBm
IEC 61300-3-3
ambient environmental
input power to
conditions.
be applied:
On completion of the test the
Power 3 dB
return loss limits of test no. 9
increments:
shall be met.
Test duration: 30 min at each power
On completion of the test the
level.
total channel isolation limits of
test no. 4 shall be met
Other Test results should be
requirements: obtained under attenuation
measurement uncertainty
of ± 0,1 dB.
Test results should be
obtained under return loss
measurement uncertainty
of ± 1 dB
12 Cold During the test the attenuation Temperature:
- 10 °C ± 2 °C
limits of test no. 3 shall be met.
Duration of the 96 h
IEC 61300-2-17 Moreover, during and on
exposure:
IEC 61300-3-3 completion of the test, the
Maximum 1 h
attenuation shall be within ±
sampling
0,3 dB of original value under
interval during
ambient conditions.
the test:
During the test the return loss
Measurements Attenuation shall be
limits of test no. 9 shall be met.
required: measured before, during
On completion of the test the
and after the test.
Wavelength Isolation limits of
Return loss shall be
test no. 4 shall be met
measured before, during
and after the test
13 During the test the attenuation Temperature:
Dry heat – high + 60 °C ± 2 °C
temperature endurance limits of test no. 3 shall be met.
Duration of the 96 h
Moreover, during and on
exposure:
IEC 61300-2-18 completion of the test, the
Maximum 1 h
IEC 61300-3-3
attenuation shall be within ±
sampling
0,3 dB of original value under
interval during
ambient conditions.
the test:
During the test the return loss
Measurements Attenuation shall be
limits of test no. 9 shall be met.
required: measured before, during
On completion of the test the
and after the test.
Wavelength Isolation limits of
Return loss shall be
test no. 4 shall be met
measured before, during
and after the test
61753-085-2 © IEC:2008 – 11 –
Table 1 (continued)
No. Test Requirement Details
14 During the test the High temperature:
Change of + 60 °C ± 2 °C
temperature attenuation limits of test no. 3
shall be met. Moreover,
Low temperature: -10 °C ± 2 °C
IEC 61300-2-22 during and on completion of
Number of cycles: 5
IEC 61300-3-3 the test, the attenuation shall
Rate of temperature 1 °C/min
be within ± 0,3 dB of original
change:
value under ambient
Duration at extreme 1 h
conditions.
temperatures:
During the test the return loss
limits of test no. 9 shall be
Maximum sampling 30 min
met.
interval during the test:
On completion of the test the
Wavelength Isolation limits of
Measurements Attenuation shall be
test no. 4 shall be met
required: measured before, during
and after the test.
Return loss shall be
measured before, during
and after the test
15 Damp heat During the test the Temperature:
+ 40 °C ± 2 °C
(steady state) attenuation limits of test no. 3
humidity:
93 % RH ± 2 % RH
shall be met. Moreover,
Duration of the 96 h
IEC 61300-2-19 during and on completion of
exposure:
IEC 61300-3-3 the test, the attenuation shall
be within ± 0,3 dB of original
Maximum sampling 1 h
value under ambient
interval during the test:
conditions.
During the test the return loss
Measurements Attenuation shall be
limits of test No. 9 shall be
required: measured before, during
met.
and after the test.
On completion of the test the
Return loss shall be
Wavelength Isolation limits of
measured before, during
test No. 4 shall be met
and after the test
Vibration On completion of the test the Frequency range: 10 Hz - 55 Hz
attenuation limits of test no. 3
Constant vibration 0,75 mm
IEC 61300-2-1 shall be met.
amplitude:
On completion of the test the
Number of cycles 15
attenuation shall be within ±
(10 Hz – 55 Hz –
0,3 dB of original value.
10 Hz):
On completion of the test the
Frequency change: 1 octave/min
return loss limits of test no. 9
Number of axes: 3 orthogonal
shall be met.
Duration per axis: 0,5 h
On completion of the test the
Measurements Attenuation shall be
Wavelength Isolation limits of
test no. 4 shall be met required: measured before and after
the test.
Return loss shall be
measured before and after
the test
17 Shock On completion of the test the Accelleration force: 500 G
attenuation limits of test no. 3
IEC 61300-2-9 shall be met. Number of axes: 3 main axes,
On completion of the test the
perpendicular on each
attenuation shall be within ± other
0,3 dB of original value.
Duration shock: 1 ms
On completion of the test the
Pulse: Half sine
return loss limits of test no. 9
Number of shocks: 2 per axis (each in
shall be met.
different direction)
On completion of the test the
Measurements Attenuation shall be
Wavelength Isolation limits of
required: measured before, after
test no. 4 shall be met
each axis and after the
test.
Return loss shall be
measured before and after
the test
– 12 – 61753-085-2 © IEC:2008
Table 1 (continued)
No. Test Requirement Details
18 Fibre/cable retention On completion of the test the Magnitude of 10 N ± 1 N for reinforced
attenuation limits of test no. the load:
cable
IEC 61300-2-4 3 shall be met.
5,0 N ± 0,5 N for secondary
On completion of the test the
coated fibre
attenuation shall be within ±
2,0 N ± 0,2 N at 0,5 N/s for
0,3 dB of original value.
primary coated fibre
On completion of the test the
Load application 0,3 m from the end of device
return loss limits of test no. 9
point:
shall be met.
Load rate: 5 N/s for reinforced cable
On completion of the test the
0,5 N/s for coated fibre
Wavelength Isolation limits of
Duration of the 120 s at 10 N
test no. 4 shall be met
load: 60 s at 5 N and 2 N
Measurements Attenuation shall be
required: measured before and after
the test.
Return loss shall be
measured before and after
the test
19 Flexing of the strain On completion of the test the Magnitude of
2,0 N ± 0,2 N for reinforced
relief of fibre optic attenuation limits of test no. 3 the load:
cable
devices shall be met.
Rate of load 0,5 N/s for reinforced cable
On completion of the test the
application:
IEC 61300-2-44 attenuation shall be within ±
Load application 0,2 m from end of device
0,3 dB of original value.
point:
On completion of the test the
Number of 30 cycles
return loss limits of test no. 9
cycles:
shall be met.
Measurements Attenuation shall be
On completion of the test the
required: measured before and after
Wavelength Isolation limits of
the test.
test no. 4 shall be met
Return loss shall be
measured before and after
the test
20 Static side load On completion of the test the Magnitude of
1,0 N ± 0,1 N for reinforced
attenuation limits of test no. 3 the load:
cable
IEC 61300-2-42 shall be met. On completion of
0,2 N ± 0,1 N for secondary
the test the attenuation shall be
coated fibres
within ± 0,3 dB of original value.
Load application 0,3 m from the end of device
On completion of the test the
point:
return loss limits of test no. 9
Load rate: 0,5 N/s
shall be met.
Duration of the 1 hr at 1N
On completion of the test the
load: 5 min at 0,2 N
wavelength isolation limits of test
Measurements Attenuation shall be
no. 4 shall be met
required: measured before and after
the test.
Return loss shall be
measured before and after
the test
61753-085-2 © IEC:2008 – 13 –
Annex A
(normative)
Sample size and grouping
Test groups shall be performed individually. The samples are sourced as defined.
Table A.1 – Sample size and grouping of tests
Test
Test Sample size Group
number
1 Centre wavelength 12 1
2 Passband 12
3 Attenuation 12
4 Total channel isolation 12
5 Ripple 12
6 Channel non-uniformity 12
7 Out-of-band-attenuation 12
8 Directivity 12
9 Return loss 12
10 Polarization dependent loss 12
11 Optical power handling and 12
damage threshold
characterization
12 Cold 6 2
13 Dry Heat - High Temperature 6
Endurance
14 Change of temperature 6
15 Damp heat (steady state) 6
16 Vibration 6 3
17 Shock 6
18 Fibre / cable retention 6
Flexing of the strain
19 6
relief of fibre optic devices
20 Static side load 6
– 14 – 61753-085-2 © IEC:2008
Bibliography
IEC 61300-3-2, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-2: Examinations and measurements – Polarization
...