EXFO OTH-7000 User manual

User Guide
OTH Remote Test Unit
OTH-7000
www.EXFO.com

ii OTH-7000
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Units of measurement in this publication conform to SI standards and
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Patents
The exhaustive list of patents is available at EXFO.com/patent.
Version number: 2.0.0.1

Contents
Optical Test Head iii
Contents
Regulatory Information ..........................................................................................................v
1 Introducing the OTH-7000 Optical Test Head ............................................. 1
Main Features .........................................................................................................................1
Available Configurations .........................................................................................................2
LED Indicators Description ......................................................................................................4
Product Registration ...............................................................................................................6
Technical Specifications ..........................................................................................................6
Conventions ............................................................................................................................7
2 Safety Information ....................................................................................... 9
Other Safety Symbols on Your Unit ......................................................................................11
Laser Safety Information .......................................................................................................12
Electrical Safety Information .................................................................................................13
3 Getting Started with Your Unit ................................................................. 15
Preparing for Installation ......................................................................................................15
Installing Your Unit in a Rack ................................................................................................16
Grounding Your Unit ............................................................................................................21
Connecting RTUe-9120 External Switches to Your Unit ........................................................22
Working With an SFP Transceiver Module .............................................................................23
Connecting Your Unit to a Power Source ..............................................................................24
Turning on Your Unit ............................................................................................................30
Turning off Your Unit ...........................................................................................................31
Working With Your Unit for the First Time ............................................................................33
4 Maintenance ............................................................................................... 45
Cleaning SC or LC Connectors ...............................................................................................46
Upgrading the Firmware Manually .......................................................................................47
Recalibrating the Unit ...........................................................................................................49
Recycling and Disposal .........................................................................................................50
5 Troubleshooting ......................................................................................... 51
Solving Common Problems ...................................................................................................51
Restoring Your Unit to Normal Operation .............................................................................52
Accessing the User Documentation ......................................................................................56
Retrieving Logs .....................................................................................................................57
Contacting the Technical Support Group ..............................................................................59
Transportation ......................................................................................................................59

Contents
iv OTH-7000
6 Warranty ......................................................................................................61
General Information .............................................................................................................61
Gray Market and Gray Market Products ................................................................................62
Liability .................................................................................................................................63
Exclusions .............................................................................................................................63
Certification ..........................................................................................................................63
Service and Repairs ...............................................................................................................64
EXFO Service Centers Worldwide ..........................................................................................65
A Test Agent API .............................................................................................67
Accessing the API and Its Documentation .............................................................................67
Performing Current Tasks With the API .................................................................................67
Index .................................................................................................................69

Regulatory Information
Optical Test Head v
Regulatory Information
Canada and USA Electromagnetic Interference
Regulatory Statement
Electronic test and measurement equipment is exempt from FCC part 15,
subpart B compliance in the United States of America and from ICES-003
compliance in Canada. However, EXFO Inc. makes reasonable efforts to
ensure compliance to the applicable standards.
The limits set by these standards are designed to provide reasonable
protection against harmful interference when the equipment is operated in
a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance
with the user documentation, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
Modifications not expressly approved by the manufacturer could void the
user’s authority to operate the equipment.
European Electromagnetic Compatibility
Regulatory Statement
Warning: This is a class A product. In a domestic environment, this product
may cause radio interference in which case the user may be required to
take adequate measures. Your product is suitable for use in industrial
electromagnetic environments.

Regulatory Information
vi OTH-7000
General Wireless Compliance Related Information
Your unit comes with an internal wireless module (adapter) and antenna
for which the information hereafter applies:
This product does not contain any wireless user-serviceable components.
Any unauthorized product changes or modifications will invalidate
warranty and all applicable regulatory certifications and approvals.
Canada and USA Wireless Compliance Related
Information
Your unit comes with an internal wireless module (adapter) and antenna
for which the information hereafter applies:
³This device complies with Part 15 of the FCC Rules.
³This device complies with Innovation, Sciences and Economic
Development Canada license-exempt RSS standards.
³Operation is subject to the following two conditions:
(1) This device may not cause harmful interference
and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
Use in Specific Environments:
³The use of wireless products in hazardous locations is limited by the
constraints posed by the safety directors of such environments.
³The use of wireless products on airplanes is governed by the Federal
Aviation Administration (FAA).
³The use of wireless products in hospitals is restricted to the limits set
forth by each hospital.
³Do not operate a portable transmitter near unshielded blasting caps or
in an explosive environment.

Regulatory Information
Optical Test Head vii
Radiation Exposure Statement:
³The product complies with the US/Canada portable RF exposure limit
set forth for an uncontrolled environment and is safe for intended
operation as described in this user documentation.
³Further RF exposure reduction can be achieved if the device can be
kept as far as possible from the user’s body.
RF Function and Frequency Range:
Your unit is designed to operate in the Bluetooth 2.4 GHz band, between
the frequencies 2400 MHz – 2483.5 MHz.
The output power is 7.0 dBm typical.
European Wireless Compliance Related
Information
Your unit is designed to operate in the Bluetooth 2.4 GHz band.
The information about the Bluetooth band is 2400 MHz – 2483.5 MHz.
The output power is 7.0 dBm typical.
This device is a 2.4 GHz wideband transmission system (transceiver),
intended for use in all EU member states and EFTA countries, except in
France and Italy where restrictive use applies.
In Italy, the end-user should apply for a license at the national spectrum
authorities in order to obtain authorization to use the device for setting up
outdoor radio links and/or for supplying access to telecommunications
and/or network services.
This device may not be used for setting up radio links in France, and in
some areas the RF output power may be limited to 10 mW EIRP in the
frequency range of 2454 - 2483.5 MHz. For detailed information, the
end-user should contact the national spectrum authority in France.

Regulatory Information
viii OTH-7000
European Declaration of Conformity
Hereby, EXFO declares that the radio equipment type “OTH-7000” is in
compliance with European Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following
Internet address: www.exfo.com/en/resources/legal-documentation.

Optical Test Head 1
1 Introducing the OTH-7000
Optical Test Head
The OTH-7000 Optical Test Head is a remote test unit with an integrated
OTDR and optical switch.
You can use the OTH-7000 as a standalone unit (Test Agent mode) to
perform ad-hoc OTDR tests or in conjunction with Nova Fiber Monitoring
System (FMS).
When you work with FMS, you can program tests or perform them on
demand. FMS is the central management software for all EXFO's fiber
monitoring probes such as the OTH-7000, FG-750, and RTU-2.
Main Features
Your unit offers the following:
³One, four or sixteen optical output ports, depending on the purchased
configuration
³Four USB host ports
³One LAN/WAN Ethernet port (10/100/1000 Base-T)
³One management Ethernet port (10/100/1000 Base-T) for local access
³One port to connect an SFP transceiver module
³Installation in 19-inch and ETSI racks or cabinets (with the provided
brackets)
³Possibility to use with the RTUe-9120 external switches
³24/7 surveillance of dark (no traffic) or live (with traffic) optical fibers
³Possibility of integration into a third-party monitoring system with the
provided API

Introducing the OTH-7000 Optical Test Head
2OTH-7000
Available Configurations
Available Configurations
Several configurations are available for the OTH-7000 Optical Test Head.
Configuration Features
AWAT-1 ³Remote test unit (RTU) with integrated OTDR
³One SC-APC output port
AWAT-4 ³RTU with integrated OTDR and optical switch
³Four SC-APC output ports
AWAT-16 ³RTU with integrated OTDR and optical switch
³Sixteen LC-APC output ports

Introducing the OTH-7000 Optical Test Head
Optical Test Head 3
Available Configurations
Note: You can also connect the unit to AC power with the AC/DC power adapter
sold by EXFO.
USB host ports
Reset button
Front panel (16-port model shown)
Ethernet (RJ-45)
management port for local
access (to connect a
portable computer to the
unit)
Optical test ports
DC power inlet (dual feed)
Grounding lug
Ethernet (RJ-45) port
(for LAN/WAN connection)
Bluetooth®communication activation
button and status LED (reserved for future
use)
On/Off button
LEDs SFP port and status LED

Introducing the OTH-7000 Optical Test Head
4OTH-7000
LED Indicators Description
LED Indicators Description
There are LED indicators located on the front panel of your unit, providing
you with information about the power and system statuses.
The table below presents the possible statuses once the initial startup
sequence is complete.
LED Status Meaning
Power Green Unit is on.
Off Unit is off.
Systema
Green The unit is working properly and is ready.
Green, slow blinking The initialization of the unit is underway.
Green, fast blinking The unit is being restored to its original state
at time of purchase (factory state).
Yellow Non-critical hardware error detected.
The temperature of the room where the unit
is located could be slightly too high or there
could be a hardware malfunction.
Ensure that the temperature falls within the
specified operating temperature range (see
Electrical Safety Information on page 13).
If the problem persists, contact EXFO.
Back panel
Holes for alternative installation of a grounding lug

Introducing the OTH-7000 Optical Test Head
Optical Test Head 5
LED Indicators Description
System
(continued)
Red Critical hardware error detected.
The temperature of the room where the unit
is located is critically too high or there could
be a hardware malfunction.
Ensure that the temperature falls within the
specified operating temperature range (see
Electrical Safety Information on page 13).
If the problem persists, contact EXFO.
Off Unit is off.
SFP port LED
Green A communication link has been established
through the SFP transceiver module.
Off No SFP transceiver module is connected to
the port or no communication link is currently
established with the SFP transceiver module.
Bluetooth®Blue Reserved for future use.
Blue, blinking
a. If more than one error is detected at the same time, the color of the LED will be set according to the most
severe error (red as the most severe, followed by yellow).
LED Status Meaning

Introducing the OTH-7000 Optical Test Head
6OTH-7000
Product Registration
Product Registration
You can register your new EXFO products online and benefit from every
possible opportunity to optimize their performance. By doing so, you will
always be notified of the latest software updates, key product
enhancements and up-to-date support information related to your
products.
To register your product online:
1. From a computer, open a Web browser and go to www.exfo.com.
2. Log in to your EXFO account.
3. Click Support.
4. Under Tools, click Manage My Products.
5. Click Register.
6. Follow the on-screen instructions.
Technical Specifications
To obtain this product’s technical specifications, visit the EXFO Web site at
www.exfo.com.

Introducing the OTH-7000 Optical Test Head
Optical Test Head 7
Conventions
Conventions
Before using the product described in this guide, you should understand
the following conventions:
WARNING
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury. Do not proceed unless you
understand and meet the required conditions.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury. Do not proceed unless you
understand and meet the required conditions.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
may result in component damage. Do not proceed unless you
understand and meet the required conditions.
IMPORTANT
Refers to information about this product you should not overlook.

Optical Test Head 9
2 Safety Information
WARNING
Do not install or terminate fibers while a light source is active.
Never look directly into a live fiber and ensure that your eyes are
protected at all times.
WARNING
The use of controls, adjustments and procedures, namely for
operation and maintenance, other than those specified herein may
result in hazardous radiation exposure or impair the protection
provided by this unit.
WARNING
If the equipment is used in a manner not specified by the
manufacturer, the protection provided by the equipment may be
impaired.
WARNING
Use only accessories designed for your unit and approved by EXFO.
For a complete list of accessories available for your unit, refer to its
technical specifications or contact EXFO.

Safety Information
10 OTH-7000
IMPORTANT
Refer to the documentation provided by the manufacturers of any
accessories used with your EXFO product. It may contain
environmental and/or operating conditions limiting their use.
IMPORTANT
When you see the following symbol on your unit , make sure
that you refer to the instructions provided in your user
documentation. Ensure that you understand and meet the required
conditions before using your product.
IMPORTANT
When you see the following symbol on your unit , it indicates
that the unit is equipped with a laser source, or that it can be used
with instruments equipped with a laser source. These instruments
include, but are not limited to, modules and external optical units.
IMPORTANT
Other safety instructions relevant for your product are located
throughout this documentation, depending on the action to
perform. Make sure to read them carefully when they apply to your
situation.
WARNING
Use only the pluggable transceivers specified for your product and
approved by EXFO. Refer to the technical specifications of your
product for the list of approved transceivers and ordering codes.

Safety Information
Optical Test Head 11
Other Safety Symbols on Your Unit
Other Safety Symbols on Your Unit
One or more of the following symbols may also appear on your unit.
Symbol Meaning
Direct current
Alternating current
The unit is equipped with an earth (ground) terminal.
The unit is equipped with a protective conductor terminal.
The unit is equipped with a frame or chassis terminal.
On (Power)
Off (Power)
OR On/off (Power)
Fuse

Safety Information
12 OTH-7000
Laser Safety Information
Laser Safety Information
Your instrument is in compliance with standard IEC 60825-1: 2014.
Laser radiation may be encountered at the optical output port.
The following label indicates that the product contains a Class 1M source:
Wavelength: / Longueur d’onde : 1650 nm ± 10 nm
Pulse width: / Largeur de l’impulsion : ≤20 μs
Max. peak power: / Puissance crête maximum : ≤150 mW
WARNING
Viewing the laser output with telescopic optical instruments (for
example, telescopes and binoculars) may pose an eye hazard and
thus the user should not direct the beam into an area where such
instruments are likely to be used.
RAYONNEMENT LASER INVISIBLE
NE PAS OBSERVER DIRECTEMENT À L'AIDE D'INSTRUMENTS D'OPTIQUE
NE PAS EXPOSER LES UTILISATEURS DE DISPOSITIF OPTIQUE
TÉLESCOPIQUE
APPAREIL À LASER DE CLASSE 1M
LASER RADIATION
DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS
DO NOT EXPOSE USERS OF TELESCOPIC OPTICS
CLASS 1M LASER PRODUCT