Viavi MTS 4000 Base Unit, User Manual

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Chapter 1 Introducing the 4000 Base Unit
Terminology used in this manual
2 User Manual 77000000206 Rev. 007
Terminology used in this manual
To designate the modules making up the 4000 Base Unit, the following
conventions have been adopted:
User Interface Module designates the module comprising the screen
and controls.
Battery designates the compartment where the battery is
set.
Module designates, for example, the OTDR.
Laser safety
The provisions contained in two standards define the safety procedures
to be observed both by users and by manufacturers when utilizing laser
products:
– EN 60825-1: 2001 - Safety of laser products – Part 1: Classification
of products, requirements and user guidelines.
– FDA 21 CFR § 1040.10 - Performance standards for light-emitting
products - Laser products.
Due to the range of possible wavelengths, power values and injection
characteristics of a laser beam, the risks inherent in its usage vary. The
laser classes form groups representing different safety thresholds.
Fig. 1 Designations of sub-assemblies of the 4000 Base
Unit
User Interface
Module
Module
Battery
compartment