Viavi OBS-500 User manual

OBS-500/550
Optical Broadband LED
Source
Operating Manual
BN 2279/98.14
2016.01
English
BN 2279/32
BN 2279/33

Please direct all enquiries to your local Viavi
sales company.
The addresses can be found at:
www.viavisolutions.com/en-us/contact-
sales-expert
The description of additional features of the
device can be found at:
www.viavisolutions.com/en-us/products/
network-test-and-certification
Copyrights
This product or parts of this product are based on the Rec-
ommendations and/or Standards issued by the Standard-
ization Sector of the International Telecommunications
Union - ITU-T and/or the European Telecommunications
Standards Institute - ETSI. These Recommendations and
Standards are copyright to these organizations. ITU-T Rec-
ommendations or ETSI Standards may not be copied and/
or made available to third parties in whole or in part without
the written agreement of ITU-T
and/or ETSI.
© Copyright 2016 Viavi Solutions Inc. All rights reserverd.
Viavi and the Viavi logo are registered trademarks of Viavi
Solutions Inc.
All other trademarks and registered trademarks are the
properties of their respective owners.
Viavi Solutions Deutschland GmbH
Arbachtalstraße 5, 72800 Eningen u. A.
Note: Changes may be made to specifications,
descriptions and delivery information.
Printed in Germany
Order no.: BN 2279/98.14
Version: 2016.01
Previous version: 2008.05

Viavi OBS-500/550 i
CONTENT
1INTRODUCTION .......................1
OBS-500/550 Optical Broadband
LED Source..............................1
Operating manual update ...................1
Symbols used in this operating manual ........2
2SAFETY INFORMATION ..................4
Warning symbols on the unit.................4
Proper usage.............................4
Laser safety OBS-500/550 ..................5
Battery operation..........................6
Ventilation ...............................6
SNT-121A Adapter/Charger .................7
3GETTING STARTED ....................9
Unpacking the device ......................9
Power Supply ...........................12
Connecting optical cables ..................17
4OPERATION ........................18
Switching the device on/off .................18
Laser on / off ............................18
Select device mode.......................18
Select device application...................19
Updating the firmware .....................20
5MAINTENANCE ......................21
Cleaning the test port .....................21
Cleaning the instrument ...................22
6REMOTE CONTROL ...................23
Communication interface...................23
Key ...................................23
Parameters .............................24

CONTENT
Viavi OBS-500/550 ii
7SPECIFICATIONS .....................27
Technical data ...........................27
General specifications .....................28
SNT-121A Adapter/Charger.................29
8ORDERING INFORMATION...............30
Accessories .............................30

Viavi OBS-500/550 1
1INTRODUCTION
OBS-500/550 Optical Broadband
LED Source
The Test Set is specially designed for dispersion
measurements together with the Optical-Dispersion-
Modules, available for the T-BERT 8000, MTS-8000 and
MTS-6000.
Battery operation from four AA batteries and the robust,
shock-proof design provide long operating time in the
field even under tough conditions. AC line operation via
a separate AC adapter and the USB interface for remote
control also ensure ease of use in the laboratory or
production environment.
Operating manual update
Continuing enhancement and further development of the
SmartClass family may mean that this operating manual
does not cover all the latest functions of your device.
If the operating instructions about features provided by
your device are missing, please visit the Viavi web site to
check if additional information is available.
To download the latest operating instructions:
1. Visit the Viavi web site at www.viavisolutions.com/
en-us/products/network-test-and-certification.
2. Select your model from the product line.
3. Open the download area and download the operating
instructions if available.

2 OBS-500/550 Viavi
1INTRODUCTION
Symbols used in this operating
manual
The following symbols, warnings and character formats
are used in this operating manual:
CAUTION
Follow the instructions carefully to
avoid damage to the device.
WARNING
Follow the instructions carefully to
avoid damage to the device or injury to
the person.
DANGER
Follow the instructions carefully to
avoid damage to the device or severe
injury to the person.
High Voltage
Follow the instructions carefully to
avoid damage to the device or severe
injury to the person.
This safety instruction is given if the
danger is due to high voltage.
Laser
Follow the instructions carefully to
avoid damage to the device or severe
injury to the person.
This safety instruction is given if the
danger is due to laser radiation.
Information specifying the laser class is
also given.
!Very important instruction
Follow this instruction carefully; e.g.
!Make sure you protect yourself and
others from exposure to laser light.

Viavi OBS-500/550 3
1INTRODUCTION
3Requirement
This requirement must be met first; e.g.
3The system is switched on

1.
2.
Instruction
Follow the instructions given (the
numbers indicate the order in which the
instructions should be followed); e.g.
Select mode.
Italics Result
Indicates the result of following an
instruction; e.g.
The page opens.
Bold type
face
Pages, controls, and display
elements
Screen pages, controls, and display
elements are indicated in bold type.
Text in blue Cross references
Cross references are indicated in blue
type. When using the PDF version, just
click on the blue text to skip to the cross
reference.
[Store] Instrument keys
Instrument keys are indicated within
square brackets.

4 OBS-500/550 Viavi
2SAFETY
INFORMATION
Warning symbols on the unit
Proper usage
This instrument is intended for measurements on optical
fiber devices and systems.
Please make sure the device is not operated outside
the permitted ambient conditions.
Always make sure that the device is in proper working
order before switching it on.
Warning symbols indicating a
potential hazard
!In all cases where the unit is labeled with
a warning symbol, the operating manual
must be consulted to learn more about
the nature of the potential hazard and
any action that must be taken.

Viavi OBS-500/550 5
2SAFETY INFORMATION
Laser safety OBS-500/550
WARNING
Dangerous laser radiation
Laser radiation can cause irreparable
damage to the eye and skin.
This device is a Class 1M Laser product according to
IEC 60825-1:2001.
Viewing the laser output of a Class 1M Laser Product with
certain optical instruments (for example: loupes,
magnifiers, microscopes) may pose an eye hazard.
Observe the following instructions when working with this
device and laser systems in general:
!Connect all optical fibers before switching on the
radiation source.
!Switch off the radiation source before disconnecting
the optical fibers.
!Never look directly into the output of a laser source or
into an optical fiber connected to it.
!Do not expose to the beam within a distance of
100 mm.
!Do not view the output of a laser source using optical
instruments or look directly into the output of a laser
source or into an optical fiber connected to it.
!Always cover unused ports.
!Observe the normal precautions for working with laser
radiation and follow any local regulations.

6 OBS-500/550 Viavi
2SAFETY INFORMATION
Battery operation
Ventilation
WARNING
Explosion danger
Dry batteries must not be recharged. An
incorrect setting of the battery type
switch in the battery compartment will
charge dry batteries which may then
explode.
!Set the battery type switch according to the used
battery type, see „Replacing batteries”,page 13.
Short-circuiting the batteries can result in
overheating, explosion or ignition of the batteries
and their surroundings.
!Never short-circuit the battery contacts by touching
both contacts simultaneously with an electrical
conducting object.
!Only use AA size dry batteries or rechargeable
batteries.
!Make sure the batteries are inserted with the correct
polarity.
CAUTION
Insufficient ventilation
Insufficient ventilation can damage the
device or adversely affect its function
and safety.
!Ensure adequate ventilation when operating the
device.