EXFO LETP-700 Series User manual

www.EXFO.com
User Guide
NetBlazer (including FTBx-88000 Series)
FTB-700/800/900 Series
HIGH SPEED PORTABLE FIELD TESTER

ii FTB-700/800/900 Series
Copyright © 2015–2021 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.
Patents
The exhaustive list of patents is available at EXFO.com/patent.
May 13, 2021
Document version: 26.1.0.2

NetBlazer iii
Contents
Regulatory Information ....................................................................................................... xiii
1 Introducing the High Speed Portable Field Tester ..................................... 1
Test Applications ....................................................................................................................1
Technical Specifications ..........................................................................................................3
Conventions ............................................................................................................................4
2 Safety Information ....................................................................................... 5
Laser Safety Information .........................................................................................................7
Installation Instruction Warnings ............................................................................................8
3 Getting Started .......................................................................................... 11
Inserting and Removing FTBx Test Modules .........................................................................11
Inserting and Removing Transceiver System ........................................................................12
Turning On the Unit ..............................................................................................................15
Starting the Module Application ...........................................................................................15
4 Physical Interfaces and LEDs ..................................................................... 17
FTB-870v2, FTB-870Q, and FTBx-8870 Modules ....................................................................17
FTB-880v2, FTB-880Q, FTB-720Gv2, FTB-730Gv2, and FTBx-8880 Modules ..........................18
FTB-890, FTB-890NGE, and FTBx-88200NGE Modules ...........................................................19
Port Availability per Module .................................................................................................22
Transceivers ..........................................................................................................................26
RJ45 ......................................................................................................................................26
BNC ......................................................................................................................................27
SMB ......................................................................................................................................27
Headset/Microphone Port (FTB-1v2) ......................................................................................27
LEDs ......................................................................................................................................28

iv FTB-700/800/900 Series
5 Graphical User Interface Overview ............................................................29
Main Application Window ...................................................................................................29
Main Window .......................................................................................................................29
Navigation Buttons ...............................................................................................................29
Status Bar ..........................................................................................................................30
Title Bar ...............................................................................................................................32
Global Indicator ...................................................................................................................33
Test Control .........................................................................................................................35
Test Menu ............................................................................................................................35
Application Buttons ...........................................................................................................36
Zoomed-In/Zoomed-Out Views .............................................................................................41
Arrow Buttons .....................................................................................................................41
Keyboard Usage ...................................................................................................................42
6 Test Setup - Test Applications ....................................................................45
iOptics ..................................................................................................................................47
iSAM .....................................................................................................................................49
OTN BERT ..............................................................................................................................50
OTN-SONET/SDH BERT ..........................................................................................................53
SONET/SDH BERT ..................................................................................................................56
DSn/PDH BERT ......................................................................................................................59
SONET/SDH - DSn/PDH BERT ................................................................................................61
NI/CSU Emulation ................................................................................................................64
ISDN PRI ...............................................................................................................................65
EtherSAM (Y.1564) ...............................................................................................................66
RFC 2544 ..............................................................................................................................68
RFC 6349 ..............................................................................................................................70
FlexE BERT .............................................................................................................................71
EtherBERT .............................................................................................................................72
Traffic Gen & Mon ................................................................................................................74
Smart Loopback ....................................................................................................................76
Through Mode ......................................................................................................................78
TCP Throughput ....................................................................................................................79
Carrier Ethernet OAM ..........................................................................................................80
Cable Test .............................................................................................................................82
1588 PTP ...............................................................................................................................84
SyncE ....................................................................................................................................85
Time Error / Wander ..............................................................................................................86
FC BERT ................................................................................................................................87
CPRI/OBSAI BERT ..................................................................................................................88
eCPRI BERT ...........................................................................................................................90

NetBlazer v
7 Selecting and Starting a Test .................................................................... 93
Intelligent Apps ....................................................................................................................93
Transport Test Applications ..................................................................................................97
Ethernet Test Applications ....................................................................................................99
Fibre Channel Test Application ...........................................................................................102
Wireless Test Application ....................................................................................................104
8 Setup ........................................................................................................ 107
Test Configurator ................................................................................................................107
Test Configurator Overview ................................................................................................117
Modify Structure ................................................................................................................124
Modify Structure - 1588 PTP ..............................................................................................126
Modify Structure - Cable Test ............................................................................................127
Modify Structure - Carrier Ethernet OAM ...........................................................................128
Modify Structure - CPRI/OBSAI BERT ..................................................................................129
Modify Structure - DSn/PDH BERT ......................................................................................132
Modify Structure - eCPRI BERT ...........................................................................................134
Modify Structure - EtherBERT .............................................................................................136
Modify Structure - EtherSAM .............................................................................................141
Modify Structure - FC BERT ................................................................................................143
Modify Structure - FlexE BERT ............................................................................................144
Modify Structure - ISDN PRI ...............................................................................................145
Modify Structure - NI/CSU Emulation .................................................................................147
Modify Structure - OTN BERT .............................................................................................148
Modify Structure - OTN-SONET/SDH BERT ..........................................................................154
Modify Structure - RFC 2544 ..............................................................................................159
Modify Structure - RFC 6349 ..............................................................................................161
Modify Structure - Smart Loopback ...................................................................................163
Modify Structure - SONET/SDH BERT ..................................................................................165
Modify Structure - SONET/SDH-DSn/PDH BERT ...................................................................169
Modify Structure - SyncE ...................................................................................................173
Modify Structure - TCP Throughput ...................................................................................174
Modify Structure - Through Mode .....................................................................................175
Modify Structure - Time Error / Wander .............................................................................177
Modify Structure - Traffic Gen & Mon ................................................................................179
Signal Auto-Detect ............................................................................................................181
1588 PTP ............................................................................................................................182
BERT and Unframed BERT ..................................................................................................189
BERT and Unframed BERT (CPRI/OBSAI) .............................................................................196
BERT and Unframed BERT (eCPRI) ......................................................................................200
BERT (FlexE BERT) ...............................................................................................................203
Cable Test ..........................................................................................................................205

vi FTB-700/800/900 Series
CFP/QSFP/SFP .....................................................................................................................207
Clock ..................................................................................................................................209
Device Under Test (iOptics) ................................................................................................216
eCPRI Flow - Profile ............................................................................................................220
EtherBERT and Unframed BERT ..........................................................................................224
EtherSAM - Burst ...............................................................................................................233
EtherSAM - Global .............................................................................................................235
EtherSAM - L2CP ................................................................................................................240
EtherSAM - Ramp ..............................................................................................................246
External Reference .............................................................................................................248
FC BERT ..............................................................................................................................249
Fibre Channel .....................................................................................................................251
FlexE Group .......................................................................................................................254
Frequency ...........................................................................................................................256
FTFL/PT ...............................................................................................................................259
GFP-F/GFP-T .......................................................................................................................263
Interface ............................................................................................................................264
ISDN PRI - Call Management ..............................................................................................276
ISDN PRI - ISDN Settings ....................................................................................................281
Labels ................................................................................................................................283
Link OAM ...........................................................................................................................285
Local Details (iSAM) ...........................................................................................................287
MAC/IP/UDP .......................................................................................................................292
Network .............................................................................................................................305
Network Details (iSAM) ......................................................................................................308
Path OAM ..........................................................................................................................318
Profile (FlexE) .....................................................................................................................321
Remote Details (iSAM) .......................................................................................................322
RFC 2544 - Global ..............................................................................................................326
RFC 2544 - Subtests ...........................................................................................................329
RFC 6349 ...........................................................................................................................336
S-OAM and MPLS-TP OAM .................................................................................................340
Services - Global ................................................................................................................349
Services - L2CP ...................................................................................................................352
Services - Profile .................................................................................................................353
Signal ................................................................................................................................360
Signal - Signal Configuration (DSn/PDH) ............................................................................367
Signal - Signal Configuration (OTN) ...................................................................................371
Signal - Signal Configuration (SONET/SDH) ........................................................................374
Smart Loopback .................................................................................................................378
Streams - Global ................................................................................................................380
Streams - Profile ................................................................................................................382

NetBlazer vii
SyncE .................................................................................................................................390
System - General ................................................................................................................392
System - GNSS ...................................................................................................................394
Transceiver System (TA) .....................................................................................................398
TCP Throughput .................................................................................................................400
Test Sequence (iOptics) ......................................................................................................402
Time Error / Wander ...........................................................................................................403
Timer .................................................................................................................................407
Traces (OTN) ......................................................................................................................409
Traces (SONET/SDH) ...........................................................................................................412
9 Test Results ............................................................................................... 415
Alarms/Errors Overview .......................................................................................................423
Analysis - MTIE/TDEV .........................................................................................................429
Analysis - Time Error / Time Interval Error ..........................................................................431
FEC Statistics ......................................................................................................................433
FTFL/PT ...............................................................................................................................434
GFP-F/GFP-T .......................................................................................................................436
Graph (RFC 2544) ..............................................................................................................439
ISDN Logger .......................................................................................................................440
Labels ................................................................................................................................445
Link OAM ...........................................................................................................................446
Logger and Alarms/Errors Logger ......................................................................................450
Messages ...........................................................................................................................453
MPLS ..................................................................................................................................455
OTL-SDT ..............................................................................................................................456
Performance Monitoring ...................................................................................................458
PTP Stats ............................................................................................................................465
Quality Level (1588 PTP) ....................................................................................................467
Quality Level (SyncE) ..........................................................................................................470
S-OAM and MPLS-TP OAM .................................................................................................473
Service Configuration - Burst .............................................................................................478
Service Configuration - L2CP ..............................................................................................479
Service Configuration - Ramp ............................................................................................481
Service Performance ..........................................................................................................483
Streams - Frame Loss / Out-of-Sequence ............................................................................485
Streams - Jitter ...................................................................................................................485
Streams - Latency ..............................................................................................................486
Streams - Throughput / Customer Frame Throughput ........................................................487
Summary - OTN/SONET/SDH/DSn/PDH ...............................................................................488
Summary - 1588 PTP ..........................................................................................................492
Summary - Cable Test ........................................................................................................495

viii FTB-700/800/900 Series
Summary - CPRI/OBSAI BERT ..............................................................................................501
Summary - eCRPI BERT .......................................................................................................506
Summary - EtherBERT ........................................................................................................512
Summary - EtherSAM ........................................................................................................516
Summary - FC BERT ............................................................................................................519
Summary - FlexE BERT ........................................................................................................522
Summary - Client Summary - FlexE BERT ............................................................................525
Summary - Path OAM - FlexE BERT ....................................................................................526
Summary - iOptics .............................................................................................................530
Summary - iSAM ................................................................................................................532
Summary - ISDN PRI ...........................................................................................................536
Summary - Link OAM .........................................................................................................542
Summary - NI/CSU Emulation ............................................................................................544
Summary - RFC 2544 .........................................................................................................545
Summary - Smart Loopback ...............................................................................................548
Summary - RFC 6349 .........................................................................................................549
Summary - S-OAM and MPLS-TP OAM ...............................................................................553
Summary - SyncE ...............................................................................................................558
Summary - TCP Throughput ...............................................................................................561
Summary - Through Mode .................................................................................................564
Summary - Traffic Gen & Mon ...........................................................................................566
Summary - Stream - Traffic Gen & Mon .............................................................................568
Summary - Time Error / Wander .........................................................................................569
Traces (OTN) ......................................................................................................................573
Traces (SONET/SDH) ...........................................................................................................575
Traffic - Ethernet ................................................................................................................576
Traffic - Flow Control .........................................................................................................579
Traffic - Graph ...................................................................................................................581
Traffic - Path OAM .............................................................................................................582
Traffic - OAM, S-OAM, and MPLS-TP OAM .........................................................................583
Window Sweep .................................................................................................................585
WIS ....................................................................................................................................586
10 Test Functions ..........................................................................................587
<rate> Advanced - <transceiver> Control .......................................................................592
<rate> Advanced - Lanes Mapping & Skew ......................................................................595
APS ....................................................................................................................................599
BFD (Bidirectional Forwarding Detection) ..........................................................................602
Client Offset ......................................................................................................................604
FDL - Bit-Oriented Message ................................................................................................607
FDL - Performance Report Message ...................................................................................611
FEAC ..................................................................................................................................614

NetBlazer ix
Filters .................................................................................................................................618
FlexE Advanced .................................................................................................................622
GMP ..................................................................................................................................624
OH BERT ...........................................................................................................................625
OH (FlexE) ..........................................................................................................................628
OH - GFP-F/GFP-T ...............................................................................................................633
OH - OTN ...........................................................................................................................638
OH - SONET/SDH ................................................................................................................644
Packet Capture ..................................................................................................................658
Ping & Trace Route ............................................................................................................664
Pointer Adjustment ............................................................................................................669
RTD ....................................................................................................................................679
RTD/RTT (CPRI/OBSAI Framed L2) .......................................................................................682
S-OAM Link Trace ..............................................................................................................685
Signaling Bits .....................................................................................................................687
Spare Bits ...........................................................................................................................689
Traffic Scan ........................................................................................................................691
11 Test Control .............................................................................................. 695
More/Less Button ................................................................................................................695
Discover Remote ................................................................................................................696
Headset/DTMF Button ........................................................................................................701
Inject Button .......................................................................................................................702
Laser Button ......................................................................................................................702
Lpbk Tool Button (Loopback Tool) .....................................................................................703
Phone Book Button ............................................................................................................710
Report Button ....................................................................................................................714
Reset Button ......................................................................................................................719
Save/Load Button ...............................................................................................................720
Start/Stop|TX Button .........................................................................................................724
12 Power Failure Recovery ........................................................................... 725
Enabling Power Failure Recovery ........................................................................................726
When Using the Test Timer .................................................................................................727
13 Maintenance ............................................................................................. 729
Cleaning LC/MPO-n Connectors ..........................................................................................730
Battery Safety Information .................................................................................................730
Recalibrating the Unit .........................................................................................................731
Recycling and Disposal .......................................................................................................732

xFTB-700/800/900 Series
14 Troubleshooting ........................................................................................733
Solving Common Problems .................................................................................................733
Contacting the Technical Support Group ............................................................................734
Transportation ....................................................................................................................734
15 Warranty ....................................................................................................735
General Information ...........................................................................................................735
Gray Market and Gray Market Products ..............................................................................736
Liability ...............................................................................................................................737
Exclusions ...........................................................................................................................737
Certification ........................................................................................................................737
Service and Repairs .............................................................................................................738
EXFO Service Centers Worldwide ........................................................................................739
A Specifications ............................................................................................741
General Specifications ........................................................................................................742
Transceiver System ..............................................................................................................743
B Glossary .....................................................................................................745
Acronym List .......................................................................................................................745
10G Ethernet Client ............................................................................................................763
1588 PTP .............................................................................................................................766
CPRI ...................................................................................................................................772
Ethernet Cables .................................................................................................................777
G.709 Optical Transport Network (OTN) ............................................................................779
Generic Framing Procedure (GFP) ......................................................................................796
MPLS Labels ........................................................................................................................808
OBSAI ................................................................................................................................809
SONET/DSn/SDH/PDH ..........................................................................................................814
SyncE ..................................................................................................................................824
Unicast/Multicast Addresses for Ethernet OAM ..................................................................826

NetBlazer xi
C Alarms/Errors ............................................................................................ 827
TX/RX Alarms/Errors Availability per Layer ...........................................................................827
BER ....................................................................................................................................840
Clock ..................................................................................................................................841
CPRI ...................................................................................................................................841
DS1 .....................................................................................................................................842
DS3 ....................................................................................................................................843
E1 .......................................................................................................................................844
E2/E3/E4 .............................................................................................................................845
Ethernet ..............................................................................................................................846
Ethernet - PCS .....................................................................................................................849
Ethernet - PCS Lanes ...........................................................................................................849
FEC (OTN) ...........................................................................................................................851
Fibre Channel (including RS-FEC) ........................................................................................851
FlexE Group ........................................................................................................................853
GFP (Generic Framing Procedure) .......................................................................................853
GMP ..................................................................................................................................858
Interface .............................................................................................................................859
IP/UDP/TCP ..........................................................................................................................861
ISDN ..................................................................................................................................862
OBSAI ................................................................................................................................862
ODUx ................................................................................................................................863
ODUx-TCM .........................................................................................................................865
OPUx .................................................................................................................................867
OTL ....................................................................................................................................869
OTUx ..................................................................................................................................870
Path OAM ...........................................................................................................................873
PHY ....................................................................................................................................874
PHYs ...................................................................................................................................875
PTP .....................................................................................................................................876
QoS Metrics .......................................................................................................................877
Reference Signal ................................................................................................................877
RS-FEC (CPRI) .....................................................................................................................877
RS-FEC (Ethernet) ...............................................................................................................878
S-OAM / MPLS-TP OAM ......................................................................................................879
Section/Line / RS/MS ..........................................................................................................882
STS-x/AU-x .........................................................................................................................884
SyncE .................................................................................................................................887
TCM (SONET/SDH) ..............................................................................................................887
Transcoding .......................................................................................................................890
VT/TU .................................................................................................................................891
WIS ....................................................................................................................................894

xii FTB-700/800/900 Series
D Pop-Up .......................................................................................................897
Bulk Read ...........................................................................................................................897
Bulk Write ..........................................................................................................................898
Call Origination Settings ....................................................................................................899
Config TCM ........................................................................................................................901
Configure Per Frame Size ...................................................................................................902
Copy Service ......................................................................................................................902
Copy Stream ......................................................................................................................902
DS1 Loopback ....................................................................................................................903
EMIX ..................................................................................................................................904
Export Capture ..................................................................................................................905
FEC Degraded SER Thresholds ............................................................................................906
Filter Configuration ...........................................................................................................907
FlexE Calendar ...................................................................................................................909
Grand Master Information / Boundary Clock Information ..................................................911
IPv6 Address Configuration ...............................................................................................913
L2CP ..................................................................................................................................916
Laser ON/OFF ......................................................................................................................917
Manual Skew (PCS/Logical Lane) .........................................................................................918
Manual Skew (PHY) ...........................................................................................................919
Default/Random/Manual Mapping .....................................................................................920
Modify DS0/E0 ...................................................................................................................921
Modify Frame Structure .....................................................................................................924
Modify Tributary Slots/Port ................................................................................................927
Modify Wavelength ...........................................................................................................929
Profile (Stream) ..................................................................................................................930
Profile (Services) .................................................................................................................931
QoS Metrics (eCPRI BERT) ...................................................................................................932
Shaping .............................................................................................................................934
Thresholds (eCPRI QoS) ......................................................................................................935
Thresholds (RFC 2544) .......................................................................................................936
Thresholds (S-OAM) ...........................................................................................................937
TOS/DS Config ...................................................................................................................938
Triggered Frame Details .....................................................................................................939
Truncation Calculator ........................................................................................................940
Index ...............................................................................................................941

Regulatory Information
NetBlazer xiii
Regulatory Information
Electromagnetic Interference and Compatibility
Regulatory Information
For Electromagnetic Interference and Compatibility Regulatory information
on your product, refer to the user documentation of your platform.
European Declaration of Conformity
The full text of the EU declaration of conformity is available at the following
Internet address: www.exfo.com/en/resources/legal-documentation.

NetBlazer 1
1 Introducing the High Speed
Portable Field Tester
Turnkey field-test solution for deploying, validating, and troubleshooting
networks up to 100G.
Test Applications
Test Applications Available on FTB/FTBx-...
Intelligent Apps. iOptics 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
iSAM 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
Transport DSn/PDH BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890NGE
ISDN PRI 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 890NGE
NI/CSU 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890NGE
OTN BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
OTN-SONET/SDH BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE
SONET/SDH BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
SONET/SDH - DSn/PDH BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
88260, 890NGE

Introducing the High Speed Portable Field Tester
2FTB-700/800/900 Series
Test Applications
Ethernet Cable Test 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890NGE
Carrier Ethernet OAM 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE
EtherBERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
EtherSAM (Y.1564) 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
FlexE BERT 88260
RFC 2544 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
RFC 6349 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
Smart Loopback 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
TCP Throughput 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE
Through Mode 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE
Traffic Gen & Mon 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
Packet Sync 1588 PTP 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
SyncE 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
Time Error / Wander 720Gv2, 730Gv2, 880v2, 880Q, 8880, 890NGE, 88260
Fibre Channel FC BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
Wireless CPRI/OBSAI BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
eCPRI BERT 720Gv2, 730Gv2, 870v2, 870Q, 880v2, 880Q, 8870, 8880,
890, 890NGE, 88200NGE, 88260
Test Applications Available on FTB/FTBx-...

Introducing the High Speed Portable Field Tester
NetBlazer 3
Technical Specifications
Technical Specifications
To obtain this product’s technical specifications, visit the EXFO Web site at
www.exfo.com.
OTDR and iOLM iOLM 720Gv2, 730Gv2
OTDR 720Gv2, 730Gv2
Test Applications Available on FTB/FTBx-...

Introducing the High Speed Portable Field Tester
4FTB-700/800/900 Series
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.

NetBlazer 5
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
6FTB-700/800/900 Series
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.