DD IEC PAS 60793-1-49 : DRAFT SEPT 2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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OPTICAL FIBRES - PART 1-49: MEASUREMENT METHODS AND TEST PROCEDURES - DIFFERENTIAL MODE DELAY
15-12-2003
23-11-2012
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Superseded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 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 60793-1-22:2001 | Optical fibres - Part 1-22: Measurement methods and test procedures - Length measurement |
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