I.S. EN 61746-1:2011
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
13-05-2021
English
01-01-2011
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Preparation for calibration
5 Distance calibration - General
6 Distance calibration methods
7 Loss calibration - General
8 Loss calibration methods
9 Reflectance calibration
Annex A (normative) - Recirculating delay line for
distance calibration
Annex B (normative) - Optical fibre standard for
loss calibration
Annex C (normative) - Standard splice simulator for
loss calibration
Annex D (normative) - Mathematical basis
Annex E (normative) - Reflectance standard
Annex F (normative) - Simple version of reflectance
Standard
Annex G (informative) - OTDR basis: Backscatter
theory - Reflectance measurements using an
OTDR - Determination of fibre backscatter
parameter
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
Important note : All end users must be registered with an Account prior to user licenses being assigned.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.