EXFO PPM-350D User Manual

PPM-350D

PON Power Meter

User Guide

Copyright © 2018 EXFO Inc. All rights reserved. No part of this publication
may be reproduced, stored in a retrieval system or transmitted in any form,
be it electronically, mechanically, or by any other means such as
photocopying, recording or otherwise, without the prior written permission
of EXFO Inc. (EXFO).

Information provided by EXFO is believed to be accurate and reliable.
However, no responsibility is assumed by EXFO for its use nor for any
infringements of patents or other rights of third parties that may result from
its use. No license is granted by implication or otherwise under any patent
rights of EXFO.

EXFO’s Commerce And Government Entities (CAGE) code under the North
Atlantic Treaty Organization (NATO) is 0L8C3.

The information contained in this publication is subject to change without
notice.

Trademarks

EXFO’s trademarks have been identified as such. However, the presence
or absence of such identification does not affect the legal status of any
trademark.

Units of Measurement

Units of measurement in this publication conform to SI standards and
practices.

Version number: 1.0.0.1

ii PPM-350D

Contents

Contents

Certification Information ........................................................................................................v

European Community Declaration of Conformity ..................................................................vi

1 Introducing the PPM-350D PON Power Meter ............................................ 1

Main Features .........................................................................................................................1

PON-awareTM Feature .............................................................................................................5

Available Options ....................................................................................................................6

Power Sources ........................................................................................................................7

Typical Applications ................................................................................................................7

Technical Specifications ...........................................................................................................8

Conventions ............................................................................................................................9

2 Safety Information ..................................................................................... 11

Other Safety Symbols on Your Unit .......................................................................................13

Laser Safety Information (Models with VFL) ..........................................................................14

Electrical Safety Information .................................................................................................15

3 Getting Started with Your PON Power Meter ........................................... 19

Turning the Unit On and Off .................................................................................................19

Physical Interface ..................................................................................................................19

Installing the EXFO Universal Interface (EUI) .........................................................................20

Cleaning and Connecting Optical Fibers ...............................................................................21

Menu ....................................................................................................................................23

Setting Parameters ................................................................................................................24

Measurement Status and Icons .............................................................................................26

4 Test Configuration ..................................................................................... 29

5 Performing FTTx Measurements ............................................................... 31

Thresholds ............................................................................................................................31

Performing a Measurement ..................................................................................................33

Reference Dialog ...................................................................................................................35

Working in dB (Loss) Mode ...................................................................................................36

6 Managing Test Results ............................................................................... 37

Storing Data .........................................................................................................................37

Results Navigator ..................................................................................................................38

Deleting Data ........................................................................................................................38

7 Identifying Fiber Faults Visually ................................................................ 39

PON Power Meter iii

Contents

8 OPM Smart Device ......................................................................................41

9 Maintenance ................................................................................................43

Cleaning EUI Connectors ......................................................................................................44

Recharging the Battery .........................................................................................................46

Replacing the Battery ............................................................................................................46

Recalibrating the Unit ...........................................................................................................49

Recycling and Disposal .........................................................................................................51

10 Troubleshooting ..........................................................................................53

Solving Common Problems ...................................................................................................53

Contacting the Technical Support Group ..............................................................................54

Transportation ......................................................................................................................55

11 Warranty ......................................................................................................57

General Information .............................................................................................................57

Liability .................................................................................................................................58

Exclusions .............................................................................................................................59

Certification ..........................................................................................................................59

Service and Repairs ...............................................................................................................60

EXFO Service Centers Worldwide ..........................................................................................61

iv PPM-350D

Certification Information

Certification Information

North America Regulatory Statement

This unit was certified by an agency approved in both Canada and the
United States of America. It has been evaluated according to applicable
North American approved standards for product safety for use in Canada
and the United States.

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 guide, 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.

PON Power Meter v

Certification Information

European Community Declaration of Conformity

Your unit comes with an internal wireless module and antenna for which
the following information applies:

 This equipment has been tested and found to comply with the limits

for a Class A digital device, pursuant to Part 15 of the FCC Rules.

 This device complies with Industry Canada license-exempt RSS

standard(s). Operation 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.

 This device 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. The further RF
exposure reduction can be achieved if the device can be kept as far as
possible from the user’s body.

 This device does not contain any user-serviceable components. Any

unauthorized product changes or modifications will invalidate
warranty and all applicable regulatory certifications and approvals.

European Community Declaration of
Conformity

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.

Hereby, EXFO declares that the radio equipment type “Wideband Data
Transmission” 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/library.

The information about the Bluetooth® frequency band is as follows:

Between the frequencies 2400.0 MHz - 2483.5 MHz.
The output power is 10.0 dBm typical.

vi PPM-350D

Certification Information

European Community Declaration of Conformity

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.

PON Power Meter vii

1 Introducing the PPM-350D

PON Power Meter

The PPM-350D can be used in legacy and next-generation PON (passive
optical network) power meter scenarios. It is compatible with single-layer
and dual-layer plus RF overlays with upstream and downstream bit rates of
1 G, 2.5 G, and 10 G. The PPM-350D PON Power Meter provides a suite of
FTTP testing needs and is easy to use especially for those not familiar with
fiber optics in FTTx. The PPM-350D supports the following applications:

 Single/multi-layer PON service activation

 Insertion loss testing (downstream measurements)

 Multiple PON technologies:

 GPON (ITU-T G984.2)

 EPON (IEEE 802.3)

 XG(S)-PON (ITU-T G987.2)

 NG-PON2 (ITU-T G989.2)

 RF overlay (ITU-T G983.3)

 RFoG (ANSI/SCTE 174 2010)

Main Features

 PON-aware

automatically discriminates the active PON layer in PON multi-layer
network.

 Bluetooth and USB connectivity.

 Smart app to store results, create test reports, share results, and much

more.

PON Power Meter 1

TM

automatically detects PON technology in use and

Introducing the PPM-350D PON Power Meter

Main Features

 Supports:

 10 G-capable PON networks

 Port 1: ONT (optical network terminal) at 1270, 1310, 1524-1544,

1550, 1610 nm; depending on the selected option.

 Port 2: OLT (optical line termination) OLT at 1490, 1575-1580,

1596-1603, 1610, and RFoG (RF over Glass) at 1555 nm; depending
on the selected option.

 Pass-through device (spy mode) that does not block communication

between ONT and OLT.

 Allows triple-play testing (voice, video and data).

 Measures each signal independently up to two PON layers + RF

overlay.

 Measures optical power of any type of signal:

 Continuous (for example, TV signal at 1550 nm)

 All baud rates (for example, 1 and 10 Gbps; synchronous or

asynchronous).

 Measures all signals simultaneously.

 Displays all signal statuses simultaneously on screen as well as a global

status.

 Displays all power levels simultaneously.

 Contains several different test configurations. You can configure

thresholds on a computer and transfer them to your PPM-350D with a
smart device and Bluetooth connection.

 Touchscreen interface.

2 PPM-350D

Introducing the PPM-350D PON Power Meter

Main Features

Other Useful Features

 You can disable or configure the Auto-Off from 2 to 30 min of idle time

to automatically power off the unit.

 Manage data directly on the unit (storing, recalling pass/fail statuses,

deleting) and has an internal storage up to 3500 results.

 Smart app features (Test Config management, data transfer, reporting).

Sync results with smart app.

 Real time storage sync to smart device.

 Navigate through test point IDs.

 Loss measurement with reference.

 Editable reference (enter value measured by another remote unit).

 APC connectors.

 Compact, rugged and designed to comply with the IP54 enclosure

standard.

 Rechargeable battery lasts for 8 hours or more of continuous use.

PON Power Meter 3

Introducing the PPM-350D PON Power Meter

Touchscreen Display

Power button

Stand

VFL port

(optional)

Status LEDs

ONT port

OLT/video port

Store button

USB Type-C port

Bottom View

Stand

Main Features

4 PPM-350D

Introducing the PPM-350D PON Power Meter

PON-awareTM Feature

PON-awareTM Feature

The PON-aware feature in the PPM-350D automatically detects and adapts
test parameters and thresholds for the PON technology in use at the
customer premises on multiple service networks. These new capabilities
eliminate costly guesswork during the critical service activation phase. The
feature enables you to accurately test and thereby fix any customer
connections during service activation for legacy and next-gen PON
technologies such as GPON, EPON, XG-PON1, XGS-PON, 10G-EPON, and
NG-PON2.

When used in a pass-through configuration on the ONT side of the splitter,
start with selecting a configuration representing your multi-service network
(GPON+XGS, GPON+NG-PON2, EPON+10G-EPON, etc). Using the
wavelength detected from the ONT, the unit will figure out if the ONT is
operating in GPON/EPON or in XG/XGS/NG-PON2/10G-EPON. It will then
apply the global pass/fail status only to the corresponding service in your
configuration. The rest of the measurements will still be shown with their
respective status, but they won't affect the global status.

Note: The PON-aware feature can only discriminate between GPON/EPON and

XG/XGS/NG-PON2/10G-EPON.

PON Power Meter 5

Introducing the PPM-350D PON Power Meter

Available Options

Available Options

The PON Power Meter is offered in the following options:

Option Description

VFL The unit will have a VFL in addition to the ONT and

OLT ports.

SR Single PON layer + RFoG to test the following

layers:

 GPON + RF

 EPON + RF

 RFoG

D Dual PON Layer to test the following layers:

 GPON + XG/XGS PON

 GPON + NG-PON2

 GPON + ALT

 EPON + 10G-EPON

DR Dual PON layer + RF to test the following layers:

 GPON + XG/XGS PON + RF

 GPON + NG-PON2 + RF

 EPON + 10G-EPON + RF

 GPON + RFoG

6 PPM-350D

Introducing the PPM-350D PON Power Meter

Power Sources

Power Sources

The PON Power Meter operates with the following power sources:

 USB Type-C connector (connected to standard USB port on a computer

or USB charger—indoor use only).

 Rechargeable internal Lithium-ion (Li-Ion) battery. Charging time is

quickest when you use the provided cable and power supply or
equivalent.

IMPORTANT

If the battery level becomes too low, the unit turns itself off.

Typical Applications

You can use your PON Power Meter in 3 modes:

 FTTx Power mode: You can use your PPM-350D PON Power Meter

during service activation (at ONT) or to troubleshoot passive optical
networks (at ONT, drop terminal, fiber distribution hub, or CO). This
mode allows you to measure up to 4 wavelengths simultaneously,
depending on the configuration of the unit.

 FTTx Loss mode (downstream only): You can also use your PPM-350D

in relative mode (dB) to measure the loss of a whole PON network or
only the drop cable by referencing power at a first location and
performing measurement in dB at a second location.

PON Power Meter 7

Introducing the PPM-350D PON Power Meter

Technical Specifications

 Remote reference: Additionally, the power reference can be edited

manually when reference power is measured by another unit and user,
a far end location (for example, at a CO).

Technical Specifications

To obtain this product’s technical specifications, visit the EXFO Web site at
www.exfo.com.

8 PPM-350D

Introducing the PPM-350D PON Power Meter

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.

Conventions

IMPORTANT

Refers to information about this product you should not overlook.

PON Power Meter 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.

PON Power Meter 11

Safety Information

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.

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.

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.

IMPORTANT

IMPORTANT

IMPORTANT

12 PPM-350D

Safety Information

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

PON Power Meter 13

Safety Information

Affixed to the back
of the unit.

Laser Safety Information (Models with VFL)

Laser Safety Information (Models with VFL)

Your instrument is a Class 2 laser product.

It is in compliance with standards IEC 60825-1: 2007 and 21 CFR 1040.10,
except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007.
It is also in compliance with IEC 60825-1: 2014. Laser radiation is emitted at
the output port.

The following label(s) indicate that the product contains a Class 2 source:

14 PPM-350D

Safety Information

Electrical Safety Information

Electrical Safety Information

WARNING

If you need to ensure that the unit is completely turned off,
disconnect the power cable and remove the battery. For more
information on how to remove the battery, see the section about
replacing the battery in this user documentation.

WARNING

 Use the external power supply (adapter/charger) indoors only.

 Never connect the unit to the AC mains (with the

adapter/charger) when it is used outdoors.

 Use only the listed and certified AC adapter/charger provided by

EXFO with your unit. It provides reinforced insulation between
primary and secondary, and is suitably rated for the country
where the unit is sold.

 Operation of any electrical instrument around flammable gases

or fumes constitutes a major safety hazard.

 To avoid electrical shock, do not operate the unit if any part of

the outer surface (covers, panels, etc.) is damaged.

 Only authorized personnel should carry out adjustments,

maintenance or repair of opened units under voltage. A person
qualified in first aid must also be present. Do not replace any
components while the power cable and battery are connected.

 Unless otherwise specified, all interfaces are intended for

connection to Safety Extra Low Voltage (SELV) circuits only.

 Capacitors inside the unit may be charged even if the unit has

been disconnected from its electrical supply.

PON Power Meter 15

Safety Information

Electrical Safety Information

When you use the unit outdoors, ensure that it is protected from
liquids, dust, direct sunlight, precipitation, and full wind pressure.

Position the unit so that the air can circulate freely around it.

The use of voltages higher than those indicated on the label affixed
to your unit may damage the unit.

CAUTION

CAUTION

CAUTION

Equipment Ratings

Tem pe ra tu re

 Operation

 Storage

Relative humidity

Maximum operation altitude

16 PPM-350D

a

 Unit powered by batteries: 0 °C to 50 °C (32 °F to

122 °F)

 Unit connected to USB adapter: 0 °C to 40 °C (32 °F

to 104 °F)

 Unit without batteries: -40 °C to 70 °C (-40 °F to

158 °F)

 Unit with batteries: -20 °C to 60 °C (-4 °F to 140 °F)

 Unit powered by batteries:  95 % non-condensing

 Unit connected to USB adapter: 10 % to 90 %

non-condensing

 2000 m (6562 ft) (unit connected to USB adapter)

 5000 m (16405 ft) (unit operated from batteries)

Safety Information

Electrical Safety Information

Equipment Ratings

Pollution degree  2 (unit connected to USB adapter)

 3 (unit operated by batteries)

b

Overvoltage category  Unit: I

 AC/USB adapter: II

Input power

c

 Unit: 5Vdc; 2.0A

 USB adapter: 100 - 240 Vac; 50/60 Hz; 1.0 A

Measurement category

a. Measured in 0 °C to 31 °C (32 °F to 87.8 °F) range, decreasing linearly to 50 % at 40 °C (104 °F).
b. Equipment must be normally protected against exposure to direct sunlight, precipitation and full wind

pressure.

c. Not exceeding ± 10 % of the nominal voltage.

 Not rated for measurement categories II, III, or IV

PON Power Meter 17

3 Getting Started with Your PON

Pass/fail LED for upstream

Store button Power on/off button

Battery-charging status LED

Pass/fail LED for downstream

Touchscreen interface

Power Meter

Turning the Unit On and Off

When you turn the PON Power Meter off, it saves the current settings,
which include the measurement mode and active test configuration.

Note: When the unit is turned on, offset nulling values are returned to factory

settings and the ONT CW mode is switched to OFF.

To turn the unit on:

Press . The unit displays EXFO for a few seconds and then the
measurement page along with the settings saved before the unit was
powered off. You may use your unit immediately under normal conditions.

To turn the unit off:

Hold down a few seconds. The unit saves the current settings
automatically.

Physical Interface

PON Power Meter 19

Getting Started with Your PON Power Meter

Bare metal, or a

black or dark gray

border indicates

UPC option

Green border
indicates APC

option

2 3 4

Installing the EXFO Universal Interface (EUI)

Installing the EXFO Universal Interface (EUI)

The EUI fixed baseplate is available for connectors with angled (APC) or
non-angled (UPC) polishing. The type of border around the baseplate
indicates which type of connector it is designed for.

To install an EUI connector adapter onto the EUI baseplate:

1. Hold the EUI connector adapter so the dust cap opens downwards.

2. Close the dust cap in order to hold the connector adapter more firmly.

3. Insert the connector adapter into the baseplate.

4. While pushing firmly, turn the connector adapter clockwise on the

baseplate to lock it in place.

20 PPM-350D

Getting Started with Your PON Power Meter

Cleaning and Connecting Optical Fibers

Cleaning and Connecting Optical Fibers

IMPORTANT

To ensure maximum power and to avoid erroneous readings:

 Always inspect fiber ends and make sure that they are clean as

explained below before inserting them into the port. EXFO is
not responsible for damage or errors caused by bad fiber
cleaning or handling.

 Ensure that your patchcord has appropriate connectors. Joining

mismatched connectors will damage the ferrules.

To connect the fiber-optic cable to the port:

1. Inspect the fiber using a fiber inspection probe. If the fiber is clean,

proceed to connecting it to the port. If the fiber is dirty, clean it as
explained below.

2. Clean the fiber ends as follows:

2a. Gently wipe the fiber end with a lint-free swab dipped in

optical-grade liquid cleaner.

2b. Use a dry swab to dry the connector completely.

2c. Visually inspect the fiber end to ensure its cleanliness.

PON Power Meter 21

Getting Started with Your PON Power Meter

Cleaning and Connecting Optical Fibers

3. Carefully align the connector and port to prevent the fiber end from
touching the outside of the port or rubbing against other surfaces.

If your connector features a key, ensure that it is fully fitted into the
port’s corresponding notch.

4. Push the connector in so that the fiber-optic cable is firmly in place,
thus ensuring adequate contact.

If your connector features a screw sleeve, tighten the connector
enough to firmly maintain the fiber in place. Do not overtighten, as this
will damage the fiber and the port.

Note: If your fiber-optic cable is not properly aligned and/or connected, you will

notice heavy loss and reflection.

EXFO uses good quality connectors in compliance with EIA-455-21A
standards.

To keep connectors clean and in good condition, EXFO strongly
recommends inspecting them with a fiber inspection probe before
connecting them. Failure to do so will result in permanent damage to the
connectors and degradation in measurements.

22 PPM-350D

Getting Started with Your PON Power Meter

Open/close menu

Open parameters

Current config name

Toggle VFL control: OFF, CW, 1Hz

Open/edit REF dialog

Menu

The PPM-350D menu consists of the following:

 VFL control

 Config selection

 Parameters

Menu

PON Power Meter 23

Getting Started with Your PON Power Meter

SET DATE & TIME

Disable, or increase/decrease the

time duration before the unit

automatically powers off:

2, 5 (default), 15, or 30 min

Exit parameters

Toggle on/off

Setting Parameters

Setting Parameters

To view or edit the unit’s parameters:

From the menu screen, tap .

Date and Time

To set the date and time:

1. From the parameters screen, tap .

2. Tap to highlight the value you want to edit or

use the left/right arrows to navigate and

24 PPM-350D

highlight the value to be changed.

3. Tap the up/down arrows to increase/decrease
the desired value.

4. Ta p th e 24H AM/PM to toggle between time
formats.

5. Ta p OK to confirm the change or to cancel
any changes and exit.

Getting Started with Your PON Power Meter

Setting Parameters

Nulling Electrical Offsets

Temperature and humidity variations affect the performance of electronic
circuits and optical detectors. Nulling the electrical offsets eliminates these
effects. Your unit has been designed not to require offset nulling under
normal operation, but you should perform it whenever environmental
conditions change significantly or when measuring very low power values.

IMPORTANT

If light reaches the detector when nulling offsets, Light Detected appears on the
display and the nulling is not performed. You will need to tap Retry or Cancel to
return to the previous display.

Note: Factory-defined values will be reinstated when you turn the unit off.

PON Power Meter 25

Getting Started with Your PON Power Meter

Measurement Status and Icons

To perform an offset nulling:

1. From the menu screen, tap .

2. In the list of tools, tap Offset nulling....

3. Close dust caps and tap OK. If no Light

Detected, the unit displays a check mark,
indicating the nulling is completed.

4. Ta p OK to return to the tools list screen.

Measurement Status and Icons

Active Layers and Test Results

Navigation

Button Description Button Description

Done - no threshold

Inactive Layers (not considered for

Global Pass/Fail)

Done (Inactive upstream)

(measurement exists)

Not done (no measurement)

Pass Pass

Fail Fail

Lock - during burst detection

26 PPM-350D

Layer Examples:

Active Layer

Getting Started with Your PON Power Meter

Measurement Status and Icons

Inactive Layer

a. In a multi-layer PON, all downstream wavelengths

from the OLT reach all ONTs. At service activation,
when testing on the ONT side (any test point after
last splitter), only one upstream wavelength is
active, corresponding to the actual service
activated.

a

PON Power Meter 27

4 Test Configuration

Your PPM-350D PON Power Meter has been configured by EXFO with
predefined information:

 Examples of test configurations that you use in FTTx mode.

 A test configuration consists of PON layer selections with their class

and speeds. Custom thresholds values can also be set for each PON
layer, depending on your unit. For each wavelength, you can select the
pass and fail criteria.

 Test configuration parameters are as follows:

 Location (ONT, OLT)

 Measurement type (dB/dBm)

 Direction (US/DS)

You may customize these parameters using FastReporter 3. Refer to the
Fas t Re p or t er 3 use r gu ide for more information.

Configuration Selection

Test configurations are displayed 5 to a page.

To open, view, and select a configuration:

1. In the menu panel, tap on an existing test

configuration to see the Configuration list.

2. If there is more than 1 page, swipe left to view
the other pages.

3. Tap on a test configuration and tap OK to
confirm your selection.

4. To cancel and return to the menu panel,
tap .

PON Power Meter 29

5 Performing FTTx

Measurements

The FTTx mode can be used during service activation (at ONT) or to
troubleshoot passive optical networks (at ONT, drop terminal, fiber
distribution hub or CO). You can measure two or three wavelengths
simultaneously, depending on the configuration of the unit.

Thresholds

Selecting a Threshold Set

You can select which threshold set will be used to determine the Pass/Fail
status. Your unit can contain many threshold sets through configurations,
but only one set can be selected at a time.

Depending on the model, a configuration comprises threshold sets for
5 wavelengths (1270/1310 nm for upstream and 1490/1577/1550 nm for
downstream), each of them having specific threshold values for pass,
warning, and fail.

Thresholds can be viewed directly on your unit. To modify them, use
FastReporter 3. For more information, refer to the FastReporter 3 user
guide.

PON Power Meter 31

Performing FTTx Measurements

Tap t o s ee 2
digits.

Ta p a ny w he r e

to close.

Proportional

margin

Thresholds

Threshold View (Margin Meter)

To view the margin meter:

32 PPM-350D

Performing FTTx Measurements

Test at the premises

Te s t ju m pe r

OLT/video port

Te s t ju m pe r

ONT port

Drop cable

Bulkhead connector

Performing a Measurement

Performing a Measurement

At startup, the unit uses the same configuration that was used during the
last test session.

 Pass/Fail status is indicated directly (screen and LEDs). Status is

determined according to the current threshold set (see Selecting a
Threshold Set on page 31).

 If no thresholds are present in the configuration in use, only the power

levels are shown and LEDs are off.

Measurements on the ONT side are designed for burst measurements
coming from ONTs that respect known standards of duration. For CW
measurements, activate the ONT CW option as shown in Setting
Parameters on page 24.

To test in Pass/Fail or Normal mode:

1. Inspect your fibers and clean them properly if needed (see Cleaning

and Connecting Optical Fibers on page 21 for details).

2. Connect as shown:

PON Power Meter 33

Performing FTTx Measurements

Test at the drop terminal

Tes t ju mp e r

OLT/video port

Tes t ju mp e r

ONT port

Bulkhead connector

Drop cable

OLT/video port

ONT port

Splitter’s output pigtail

Bulkhead connector

Te s t ju m pe r

Test at the fiber distribution hub (FDH)

Performing a Measurement

3. Tu rn uni t on .

4. Select appropriate test configuration.

Note: When testing on F1 (between the CO and Splitter), select downstream only.

Results are now available.

34 PPM-350D

Performing FTTx Measurements

Reference Dialog

Reference Dialog

PON loss can be tested using downstream signals at different points of
connection. A reference of source power can be acquired at the CO or
entered manually in the unit.

Edit Reference

To edit a reference:

1. Ta p REF.

2. Tap on a number in the reference column to edit the value. In the

report, the REF will be tagged as “manually edited”.

PON Power Meter 35

Performing FTTx Measurements

Working in dB (Loss) Mode

Working in dB (Loss) Mode

To work in dB (loss) mode (downstream only):

1. In the menu panel, tap on a test configuration to see the Configuration

list.

2. Ta p Power REF to perform a reference (only selected PON layers are
referenced).

Tap TA KE REF.

3. Tap the arrow to return to the menu page, then the measurement
page, and perform a loss measurement. Values are in dB.

Tap dB to toggle between dBm and dB.

You can manually edit the REF values if for example the Power REF was
measured by someone else, at the other end of the link. See Edit Reference
on page 35 for more information.

36 PPM-350D

6 Managing Test Results

You can save up to 3500 results in your unit. It is also possible to delete one
or all measurements from your unit.

 Measurements are synced with smart app when a Bluetooth

connection is maintained.

 After a measurement is deleted, its ID is available but not immediately

accessible for a new measurement. The unit will compress memory at
boot-up after more than 10 % of the memory has been deleted. All
available space will become ready at this point.

Using Bluetooth, you can also transfer your data from your unit to a smart
device.

Storing Data

The PPM-350D generates measurement IDs that are not configurable
(auto-incremental starting from the last ID). It saves all measurements
stored in a sequence, in a single file/folder which can be read by the smart
app. You can also clear all measurements yourself.

PON Power Meter 37

Managing Test Results

Results Navigator

Results Navigator

Test data can be viewed and managed from the
measurements page by providing the following
features:

 View measurements saved (Auto)

 The number of pass /fail

 The number of non-status measurements

 ID of the next available measurement data

 Status of the selected measurement

 Delete one/all measurements

Note: You can only view the overall status of a

measurement, not the details (individual power level or individual pass/fail
status).

To navigate test measurements:

1. Tap a results ID to open the measurements page.

2. Tap previous or next to navigate to more IDs.

Deleting Data

You can delete unwanted data directly from the unit when viewing your
stored data.

To delete data:

1. Tap to delete the current measurement.

2. Tap to clear all results.

38 PPM-350D

7 Identifying Fiber Faults

Visually

Note: This feature is available only if your unit is equipped with a VFL port.

The VFL (visual fault locator) helps you identify
bends, faulty connectors, splices, and other causes
of signal loss.

From its dedicated port, the VFL emits a red signal
which becomes visible at the location of a fault on
the fiber. This signal can be continuous (default) or
blinking (1 Hz).

When the VFL is on, is displayed at the
top-right of the screen.

WARNING

When the VFL is active, the VFL port emits visible laser radiation.
Avoid exposure and do not stare directly into the beam. Ensure that
any unused port is properly protected with a cap.

To activate the VFL and inspect a fiber:

1. Connect the fiber under test to the VFL port (see Cleaning and

Connecting Optical Fibers on page 21).

2. Tap to open the menu page.

PON Power Meter 39

Identifying Fiber Faults Visually

3. Ta p VFL from the menu to toggle between CW
(continuous signal) and 1Hz (blinking signal).

4. Without looking directly into the beam,
examine the fiber. If light is coming out of the
rubber jacket or on the side of the ferrule, the
fiber is defective.

5. Deactivate the VFL by toggling to OFF.

40 PPM-350D

8OPM Smart Device

The EXFO OPM (optical power meter) smart device application is available
for iOS in the Apple App Store and for Android devices in Google Play.
When the application is synced with your PPM-350D over Bluetooth, it can
control all measurements and testing features available within your
PPM-350D. The OPM application enables the following
advanced/additional features:

 Import/Export test configurations from an email, a cloud service

(DropBox, OneDrive, iCloud) or instant messaging application

 Delete/Select test configurations

 Read test configuration details (PON layers, standard, Class and bit

rate, Thresholds)

 Push a test configuration to the PPM-350D

 Edit existing measurement names

 Define measurement identifiers for next measurement

 Edit existing measurement identification fields from an existing

measurement

 Store a measurement(s) (taken from PPM-350D or OPM application)

 Open a saved measurement(s)

 Delete a measurement(s)

 Generate a PDF test report for a measurement

 Share a PDF test report

PON Power Meter 41

9 Maintenance

To help ensure long, trouble-free operation:

 Always inspect fiber-optic connectors before using them and clean

them if necessary.

 Keep the unit free of dust.

 Clean the unit casing and front panel with a cloth slightly dampened

with water.

 Store unit at room temperature in a clean and dry area. Keep the unit

out of direct sunlight.

 Avoid high humidity or significant temperature fluctuations.

 Avoid unnecessary shocks and vibrations.

 If any liquids are spilled on or into the unit, turn off the power

immediately, disconnect from any external power source, remove the
batteries and let the unit dry completely.

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

PON Power Meter 43

Maintenance

Push

Tur n

Pull

Cleaning EUI Connectors

Cleaning EUI Connectors

Regular cleaning of EUI connectors will help maintain optimum
performance. There is no need to disassemble the unit.

If any damage occurs to internal connectors, the module casing will
have to be opened and a new calibration will be required.

Looking into the optical connector while the light source is active
WILL result in permanent eye damage. EXFO strongly recommends
to TURN OFF the unit before proceeding with the cleaning
procedure.

To clean EUI connectors:

1. Remove the EUI from the instrument to expose the connector

baseplate and ferrule.

IMPORTANT

WARNING

2. Moisten a 2.5 mm cleaning tip with one drop of optical-grade liquid
cleaner.

44 PPM-350D

Cleaning EUI Connectors

3

4

5

3. Slowly insert the cleaning tip into the EUI adapter until it comes out on
the other side (a slow clockwise rotating movement may help).

4. Gently turn the cleaning tip one full turn, then continue to turn as you
withdraw it.

5. Repeat steps 3 to 4 with a dry cleaning tip.

Note: Make sure you don’t touch the soft end of the cleaning tip.

6. Clean the ferrule in the connector port as follows:

6a. Deposit one drop of optical-grade liquid cleaner on a lint-free

wiping cloth.

Maintenance

IMPORTANT

Avoid contact between the tip of the bottle and the wiping cloth,
and dry the surface quickly.

6b. Gently wipe the connector and ferrule.

6c. With a dry lint-free wiping cloth, gently wipe the same surfaces to

ensure that the connector and ferrule are perfectly dry.

6d. Verify connector surface with a fiber inspection probe (for

example, EXFO’s FIP).

7. Put the EUI back onto the instrument (push and turn clockwise).

8. Throw out cleaning tips and wiping cloths after one use.

PON Power Meter 45

Maintenance

Recharging the Battery

Recharging the Battery

Recharging your batteries is done through the USB Type-C port at the
bottom of the unit. Connect the USB cable to the provided AC adapter for
optimal recharge time/speed.

Replacing the Battery

Your unit uses a smart lithium-ion (Li-Ion) battery with built-in
protection that has been especially designed for EXFO. For this
reason, you can only replace it with a battery of the same type and
model.

RISK OF EXPLOSION IF THE BATTERY IS REPLACED BY AN INCORRECT
TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE
MANUFACTURER'S INSTRUCTIONS.

WARNING

WARNING

WARNING

Do not throw batteries into fire or water and do not short-circuit
the battery electrical contacts. Do not disassemble.

IMPORTANT

Recycle or dispose of used batteries properly, in accordance with
local regulations. Do not dispose of them in ordinary garbage
receptacles. For more information, see the section about recycling
and disposal in this user documentation.

46 PPM-350D

Maintenance

Replacing the Battery

To replace the battery:

1. Place the unit face down on a hard surface such as a table.

2. Remove the four screws holding the back panel in place, then remove

the back panel completely.

CAUTION

The battery is located close to the optical components of your unit.
Make sure that you do not damage them when removing or
installing the battery.

PON Power Meter 47

Maintenance

Replacing the Battery

3. Disconnect the battery cable and remove the old battery from the unit.

4. Put the new battery into the unit and reconnect its cable.

5. Restore the back panel making sure that the battery cable does not get

caught between the panels.

6. Secure the back panel with the screws.

48 PPM-350D

Maintenance

Recalibrating the Unit

Recalibrating the Unit

EXFO manufacturing and service center calibrations are based on the
ISO/IEC 17025 standard (General Requirements for the Competence of
Testing and Calibration Laboratories). This standard states that calibration
documents must not contain a calibration interval and that the user is
responsible for determining the re-calibration date according to the actual
use of the instrument.

The validity of specifications depends on operating conditions. For
example, the calibration validity period can be longer or shorter depending
on the intensity of use, environmental conditions and unit maintenance, as
well as the specific requirements for your application. All of these elements
must be taken into consideration when determining the appropriate
calibration interval of this particular EXFO unit.

Under normal use, the recommended interval for your PPM-350D PON
Power Meter is: three years.

For newly delivered units, EXFO has determined that the storage of this
product for up to six months between calibration and shipment does not
affect its performance (EXFO Policy PL-03).

PON Power Meter 49

Maintenance

Recalibrating the Unit

To help you with calibration follow-up, EXFO provides a special calibration
label that complies with the ISO/IEC 17025 standard and indicates the unit
calibration date and provides space to indicate the due date. Unless you
have already established a specific calibration interval based on your own
empirical data and requirements, EXFO would recommend that the next
calibration date be established according to the following equation:

Next calibration date = Date of first usage (if less than six months
after the calibration date) + Recommended calibration period (three
years)

To ensure that your unit conforms to the published specifications,
calibration may be carried out at an EXFO service center or, depending on
the product, at one of EXFO’s certified service centers. Calibrations at
EXFO are performed using standards traceable to national metrology
institutes.

Note: You may have purchased a FlexCare plan that covers calibrations. See the

Service and Repairs section of this user documentation for more
information on how to contact the service centers and to see if your plan
qualifies.

50 PPM-350D

Maintenance

Recycling and Disposal

Recycling and Disposal

This symbol on the product means that you should recycle or
dispose of your product (including electric and electronic
accessories) properly, in accordance with local regulations. Do
not dispose of it in ordinary garbage receptacles.

For complete recycling/disposal information, visit the EXFO Web site at

www.exfo.com/recycle.

PON Power Meter 51

10 Troubleshooting

Solving Common Problems

Problem Possible Cause Solution

Slow charge. Charger not powerful

enough, cable too long
or low quality.

Unit not charging when
plugged in with provided
cable and charger.

ONT power detected
when it shouldn't be.

ONT power not detected
when there is power.

Battery may be
completely depleted.

A reflection might be
present on the network.

Signal is continuous or
burst is very different
from known standards
regarding duration and
period.

Use provided cable and
charger.

Press power button
while the unit is still
plugged in.

Check for unconnected,
damaged, or dirty UPC
connectors. Connect,
replace, or clean them.

Measurements on the
ONT side are designed
for burst measurements
coming from ONTs that
respect known standards
of duration and period.
For CW measurements,
activate the ONT CW
option as shown in
Setting Parameters on
page 24.

PON Power Meter 53

Troubleshooting

Contacting the Technical Support Group

Contacting the Technical Support Group

To obtain after-sales service or technical support for this product, contact
EXFO at one of the following numbers. The Technical Support Group is
available to take your calls from Monday to Friday, 8:00 a.m. to 7:00 p.m.
(Eastern Time in North America).

Technical Support Group

400 Godin Avenue
Quebec (Quebec) G1M 2K2
CANADA

For detailed information about technical support, and for a list of other
worldwide locations, visit the EXFO Web site at www.exfo.com.

If you have comments or suggestions about this user documentation, you
can send them to [e-mail].

To accelerate the process, please have information such as the name and
the serial number (see the product identification label), as well as a
description of your problem, close at hand.

1 866 683-0155 (USA and Canada)
Tel.: [phone]
Fax: [phone]
[e-mail]

You may also be requested to provide the embedded software’s version
numbers.

To display the embedded software version:

1. Hold down THRESHOLD/ and press at the same time. The unit

displays the main software version.

2. Press to return to your previous mode.

54 PPM-350D

Troubleshooting

Transportation

Transportation

Maintain a temperature range within specifications when transporting the
unit. Transportation damage can occur from improper handling. The
following steps are recommended to minimize the possibility of damage:

 Pack the unit in its original packing material when shipping.

 Avoid high humidity or large temperature fluctuations.

 Keep the unit out of direct sunlight.

 Avoid unnecessary shocks and vibrations.

PON Power Meter 55

11 Warranty

General Information

EXFO Inc. (EXFO) warrants this equipment against defects in material and
workmanship for a period of three years from the date of original
shipment. EXFO also warrants that this equipment will meet applicable
specifications under normal use.

During the warranty period, EXFO will, at its discretion, repair, replace,
or issue credit for any defective product, as well as verify and adjust the
product free of charge should the equipment need to be repaired or if the
original calibration is erroneous. If the equipment is sent back for
verification of calibration during the warranty period and found to meet all
published specifications, EXFO will charge standard calibration fees.

The warranty can become null and void if:

 unit has been tampered with, repaired, or worked upon by

unauthorized individuals or non-EXFO personnel.

 warranty sticker has been removed.

IMPORTANT

 case screws, other than those specified in this guide, have been

removed.

 case has been opened, other than as explained in this guide.

 unit serial number has been altered, erased, or removed.

 unit has been misused, neglected, or damaged by accident.

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED,
IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. IN NO EVENT SHALL EXFO BE LIABLE FOR
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

PON Power Meter 57

Warranty

Liability

Liability

EXFO shall not be liable for damages resulting from the use of the product,
nor shall be responsible for any failure in the performance of other items to
which the product is connected or the operation of any system of which
the product may be a part.

EXFO shall not be liable for damages resulting from improper usage or
unauthorized modification of the product, its accompanying accessories
and software.

58 PPM-350D

Warranty

Exclusions

EXFO reserves the right to make changes in the design or construction of
any of its products at any time without incurring obligation to make any
changes whatsoever on units purchased. Accessories, including but not
limited to fuses, pilot lamps, batteries and universal interfaces (EUI) used
with EXFO products are not covered by this warranty.

This warranty excludes failure resulting from: improper use or installation,
normal wear and tear, accident, abuse, neglect, fire, water, lightning or
other acts of nature, causes external to the product or other factors beyond
the control of EXFO.

IMPORTANT

In the case of products equipped with optical connectors, EXFO will
charge a fee for replacing connectors that were damaged due to
misuse or bad cleaning.

Certification

Exclusions

EXFO certifies that this equipment met its published specifications at the
time of shipment from the factory.

PON Power Meter 59

Warranty

Service and Repairs

Service and Repairs

EXFO commits to providing product service and repair for five years
following the date of purchase.

To send any equipment for service or repair:

1. Call one of EXFO’s authorized service centers (see EXFO Service

2. If equipment must be returned to EXFO or an authorized service

3. If possible, back up your data before sending the unit for repair.

4. Pack the equipment in its original shipping material. Be sure to include

5. Return the equipment, prepaid, to the address given to you by support

Centers Worldwide on page 61). Support personnel will determine if
the equipment requires service, repair, or calibration.

center, support personnel will issue a Return Merchandise
Authorization (RMA) number and provide an address for return.

a statement or report fully detailing the defect and the conditions under
which it was observed.

personnel. Be sure to write the RMA number on the shipping slip. EXFO

will refuse and return any package that does not bear an RMA number.

Note: A test setup fee will apply to any returned unit that, after test, is found to

meet the applicable specifications.

After repair, the equipment will be returned with a repair report. If the
equipment is not under warranty, you will be invoiced for the cost
appearing on this report. EXFO will pay return-to-customer shipping costs
for equipment under warranty. Shipping insurance is at your expense.

Routine recalibration is not included in any of the warranty plans. Since
calibrations/verifications are not covered by the basic or extended
warranties, you may elect to purchase FlexCare Calibration/Verification
Packages for a definite period of time. Contact an authorized service center
(see EXFO Service Centers Worldwide on page 61).

60 PPM-350D

Warranty

EXFO Service Centers Worldwide

EXFO Service Centers Worldwide

If your product requires servicing, contact your nearest authorized service
center.

EXFO Headquarters Service Center

400 Godin Avenue
Quebec (Quebec) G1M 2K2
CANADA

EXFO Europe Service Center

Winchester House, School Lane
Chandlers Ford, Hampshire S053 4DG
ENGLAND

EXFO Telecom Equipment
(Shenzhen) Ltd.

3rd Floor, Building C,
FuNing Hi-Tech Industrial Park, No. 71-3,
Xintian Avenue,
Fuhai, Bao’An District,
Shenzhen, China, 518103

1 866 683-0155 (USA and Canada)
Tel.: [phone]
Fax: [phone]
[e-mail]

Tel.: [phone]
Fax: [phone]
[e-mail]

Tel: [phone]
Fax: [phone]
[e-mail]

To view EXFO's network of partner-operated Certified Service Centers
nearest you, please consult EXFO's corporate website for the complete list
of service partners:

http://www.exfo.com/support/services/instrument-services/
exfo-service-centers.

PON Power Meter 61

Index

Index

A

AC requirements ......................................... 16

adapter ....................................................... 15

after-sales service ........................................ 54

alkaline battery. see battery

B

battery

description............................................... 7

indicator .................................................. 7

rechargeable............................................ 3

replace................................................... 47

type allowed.......................................... 46

Bluetooth® ................................... 1, 2, 37, 41

frequency band data ...............................vi

C

cancelling dark current effects .................... 25

capacitors.................................................... 15

caution

of personal hazard................................... 9

of product hazard.................................... 9

certification information ................................v

charger........................................................ 15

circuit performance ..................................... 25

cleaning

EUI connectors....................................... 44

fiber ends .............................................. 21

front panel............................................. 43

connectors, cleaning ................................... 44

conventions, safety ....................................... 9

customer service.......................................... 60

D

dark current effects, eliminating ................. 25

date and time.............................................. 24

disposable battery. see battery

E

electronic offsets, eliminating...................... 25

eliminating offsets/dark current................... 25

equipment returns....................................... 60

EUI

baseplate ...............................................20

connector adapter ................................. 20

connectors, cleaning .............................. 44

dust cap................................................. 20

EXFO universal interface. see EUI

external power supply ................................. 15

F

fiber ends, cleaning ..................................... 21

frequency, Bluetooth® ..................................vi

front panel, cleaning ................................... 43

I

identification label....................................... 54

indoor use ................................................... 15

installing

unit ........................................................ 16

L

label, identification...................................... 54

M

maintenance

EUI connectors....................................... 44

front panel............................................. 43

general information ...............................43

margin meter............................................... 32

mode

dB (loss) ................................................. 36

FTTx ................................................. 29, 31

loss .......................................................... 7

measurement......................................... 19

power ......................................................7

PON Power Meter 63

Index

remote reference ..................................... 8

spy........................................................... 2

modulation, VFL.......................................... 39

mounting EUI connector adapter ................ 20

N

null measurement, performing.................... 25

nulling offsets ............................................. 25

O

optical detector performance...................... 25

P

performing null measurement..................... 25

power

supply.................................................... 15

power sources

description............................................... 7

see also AC adapter/charger

see also battery

product

identification label................................. 54

specifications........................................... 8

R

reference, zero power ................................. 25

repairing unit .............................................. 15

replaceable battery. see battery

return merchandise authorization (RMA) .... 60

S

safety

caution .................................................... 9

conventions ............................................. 9

warning ................................................... 9

service and repairs....................................... 60

service centers............................................. 61

shipping to EXFO ........................................ 60

smart app...................................... 1, 3, 37, 41

specifications, product ..................................8

storage requirements ..................................43

symbols, safety .............................................. 9

T

technical specifications.................................. 8

technical support......................................... 54

temperature for storage .............................. 43

test tools

visual fault locator .................................39

touchscreen................................................... 2

transportation requirements.................. 43, 55

U

unit

installing ................................................16

repairing ................................................ 15

ventilation.............................................. 16

V

ventilation ................................................... 16

VFL

operation and display ............................ 39

performing a test................................... 39

signal modulation .................................. 39

W

warranty

certification............................................ 59

exclusions .............................................. 59

general................................................... 57

liability ................................................... 58

null and void.......................................... 57

Z

zero-power reference .................................. 25

PON Power Meter 64

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