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DD IEC PAS 60793-1-49 : DRAFT SEPT 2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

OPTICAL FIBRES - PART 1-49: MEASUREMENT METHODS AND TEST PROCEDURES - DIFFERENTIAL MODE DELAY
Superseded date

12-15-2003

Published date

11-23-2012

1 INTRODUCTION
  1.1 INTENT
  1.2 SCOPE
  1.3 DEFINITIONS
2 NORMATIVE REFERENCES
3 APPARATUS
  3.1 OPTICAL SOURCE
  3.2 STABILITY
  3.3 LAUNCH SYSTEM
  3.4 DETECTION SYSTEM
  3.5 COMPUTATIONAL EQUIPMENT
4 SAMPLING AND SPECIMENS
  4.1 TEST SAMPLE
  4.2 SPECIMEN ENDFACES
  4.3 SPECIMEN LENGTH
  4.4 SPECIMEN PACKAGING
  4.5 SPECIMEN POSITIONING
5 PROCEDURE
  5.1 ADJUST AND MEASURE SYSTEM RESPONSE
  5.2 ADJUST DETECTION SYSTEM
  5.3 MEASURE THE TEST SAMPLE
6 CALCULATIONS AND INTERPRETATION OF RESULTS
  6.1 DIFFERENTIAL MODE DELAY
  6.2 LENGTH NORMALIZATION
7 DOCUMENTATION
  7.1 REPORT THE FOLLOWING INFORMATION FOR EACH TEST
  7.2 THE FOLLOWING INFORMATION SHALL BE AVAILABLE UPON
      REQUEST:
8 SPECIFICATION INFORMATION
ANNEX A (INFORMATIVE) COMPARISON BETWEEN THIS TECHNICAL
        REPORT AND ITU RECOMMENDATIONS
ANNEX B (NORMATIVE) SOURCE SPECTRAL WIDTH LIMITATION
B.1 LIMITING THE EFFECT OF CHROMATIC DISPERSION ON THE
    VALUE OF DMD
B.2 CHROMATIC DISPERSION IN MULTIMODE FIBRES
ANNEX C (INFORMATIVE) DISCUSSION OF MEASUREMENT DETAILS

Applicable only to multimode, graded-index glass-core (category A1) fibres. The test method is commonly used in production and research facilities, but is not easily accomplished in the field.

Committee
GEL/86/1
DevelopmentNote
Supersedes 02/202237 DC (10/2002)
DocumentType
Draft
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC PAS 60793-1-49:2002 Identical

IEC 60825-2:2004+AMD1:2006+AMD2:2010 CSV Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCS)
IEC 60793-1-1 : 2017 OPTICAL FIBRES - PART 1-1: MEASUREMENT METHODS AND TEST PROCEDURES - GENERAL AND GUIDANCE
IEC 60825-1:2014 Safety of laser products - Part 1: Equipment classification and requirements
IEC 60793-1-42:2013 Optical fibres - Part 1-42: Measurement methods and test procedures - Chromatic dispersion
IEC 60793-1-45 : 2.0 OPTICAL FIBRES - PART 1-45: MEASUREMENT METHODS AND TEST PROCEDURES - MODE FIELD DIAMETER
IEC 60793-1-22:2001 Optical fibres - Part 1-22: Measurement methods and test procedures - Length measurement

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