Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

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Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

15-12-2003

Published date

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Superseded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 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

View more information
Sorry this product is not available in your region.

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more