EXFO USER GUIDE User manual
User Guide
High Speed Power Meter for IQS Platforms
IQS-1600
ii IQS-1600
Copyright © 2002–2008 EXFO Electro-Optical Engineering 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 Electro-Optical
Engineering 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: 2.0.2
Contents
High Speed Power Meter iii
Contents
Certification Information ....................................................................................................... vi
1 Introducing the IQS-1600 High Speed Power Meter .................................. 1
Main Features .........................................................................................................................1
Typical Applications ................................................................................................................4
Conventions ............................................................................................................................5
2 Safety Information ....................................................................................... 7
3 Getting Started with Your High Speed Power Meter ................................. 9
Inserting and Removing Test Modules ....................................................................................9
Starting the High Speed Power Meter Application ................................................................14
Entering Values Using Sliders and Numeric Boxes .................................................................17
Exiting the Application .........................................................................................................18
4 Setting Up Your High Speed Power Meter ................................................ 19
Setting Channel Display(IQS-1620, IQS-1640) .......................................................................20
Selecting the Wavelength .....................................................................................................26
Managing Wavelength Lists ..................................................................................................27
Selecting the Measurement Unit ...........................................................................................28
Setting the Display Resolution ..............................................................................................29
Setting the Refresh Rate .......................................................................................................31
Setting the Measurement Range ..........................................................................................32
Saving and Recalling Configurations .....................................................................................35
5 Preparing Your High Speed Power Meter for a Test ................................. 37
Cleaning and Connecting Optical Fibers ...............................................................................37
Nulling Offsets ......................................................................................................................38
6 Measuring Power ....................................................................................... 41
Displaying Absolute Power ...................................................................................................41
Measuring Relative Power .....................................................................................................43
Selecting the Reference Value ...............................................................................................44
Editing the Reference List .....................................................................................................45
Measuring Corrected Power ..................................................................................................46
Using the Offset Function .....................................................................................................48
Averaging Measurements ....................................................................................................49
7 Recording Power Signal Variations ........................................................... 51
Contents
iv IQS-1600
8 Performing Acquisitions .............................................................................55
Selecting the Sampling Type .................................................................................................56
Selecting the Acquisition Mode ............................................................................................59
Starting the Acquisition ........................................................................................................66
Consulting Acquired Data .....................................................................................................68
9 Performing and Analyzing Graph Acquisitions .........................................73
Setting Up Graph Parameters ...............................................................................................73
Printing Graph Results ..........................................................................................................76
Clearing Graph Display .........................................................................................................76
Using the Zoom Function .....................................................................................................77
Displaying and Moving Markers ...........................................................................................79
10 Using the External Trigger and Analog Outputs .......................................81
External Trigger .....................................................................................................................82
Analog Output (IQS-1610, IQS-1620) ...................................................................................83
11 Monitoring Power Meter Modules ............................................................87
Using Monitor Windows .......................................................................................................87
Using QuickTools ...................................................................................................................90
12 Typical Applications ....................................................................................93
Performing Absolute Power Measurements ..........................................................................94
Measuring Insertion Loss ......................................................................................................96
Testing Instrument Linearity ..................................................................................................98
Characterizing an Optical Switch ........................................................................................100
13 Maintenance ..............................................................................................103
Cleaning Fixed Connectors ..................................................................................................104
Cleaning Detector Ports ......................................................................................................106
Cleaning the Analog Output and External Trigger Ports ......................................................107
Recalibrating the Unit .........................................................................................................107
Recycling and Disposal (Applies to European Union Only) ..................................................108
14 Troubleshooting ........................................................................................109
Solving Common Problems .................................................................................................109
Viewing Online Documentation ..........................................................................................111
Finding Information on the EXFO Web Site ........................................................................112
Contacting the Technical Support Group ............................................................................113
Transportation ....................................................................................................................114
Contents
High Speed Power Meter v
15 Warranty ................................................................................................... 115
General Information ...........................................................................................................115
Liability ...............................................................................................................................115
Exclusions ...........................................................................................................................116
Certification ........................................................................................................................116
Service and Repairs .............................................................................................................117
EXFO Service Centers Worldwide ........................................................................................118
A Technical Specifications ........................................................................... 119
B SCPI Command Reference ....................................................................... 121
Quick Reference Command Tree .........................................................................................122
Product-Specific Commands—Description ..........................................................................126
Index .............................................................................................................. 225
Certification Information
vi IQS-1600
Certification Information
F.C.C. Information
Electronic test equipment is exempt from Part 15 compliance (FCC) in
the United States. However, compliance verification tests are
systematically performed on most EXFO equipment.
Information
Electronic test equipment is subject to the EMC Directive in the European
Union. The EN61326 standard prescribes both emission and immunity
requirements for laboratory, measurement, and control equipment.
This unit has undergone extensive testing according to the European Union
Directive and Standards.
IMPORTANT
Use of shielded remote I/O cables, with properly grounded shields
and metal connectors, is recommended in order to reduce radio
frequency interference that may emanate from these cables.
Certification Information
High Speed Power Meter vii
Application of Council Directive(s): 73/23/EEC - The Low Voltage Directive
89/336/EEC - The EMC Directive
And their amendments
Manufacturer’s Name: EXFO Electro-Optical Engineering Inc.
Manufacturer’s Address: 400 Godin Avenue
Quebec, Quebec
Canada G1M 2K2
(418) 683-0211
Equipment Type/Environment: Test & Measurement / Industrial
Trade Name/Model No.: IQS-1600
High-Speed Power Meter
Standard(s) to which Conformity is Declared:
EN 61010-1:2001 Safety Requirements for Electrical Equipment for Measurement, Control,
and Laboratory Use, Part 1: General Requirements.
EN 55022: 1998 +A2: 2003 Limits and Methods of Measurement of Radio Disturbance
Characteristics of Information Technology Equipment.
EN 61326:1997 +A1:1998
+A2:2001 + A3:2003
Electrical Equipment for Measurement, Control and Laboratory
Use - EMC Requirements
I, the undersigned, hereby declare that the equipment specified above conforms to the above Directive and Standards.
Manufacturer
Signature:
Full Name: Stephen Bull, E. Eng
Position: Vice-President Research and
Development
Address:
400 Godin Avenue, Quebec (Quebec),
Canada, G1M 2K2
Date: January 7, 2002
DECLARATION OF CONFORMITY
High Speed Power Meter 1
1 Introducing the IQS-1600 High
Speed Power Meter
Designed for the IQS platforms, the IQS-1600 High Speed Power Meter is a
module available in three different models. It is used with the OHS-1700
Optical Head.
Main Features
The IQS-1600 High Speed Power Meter is offered in different
configurations:
³Standard option—IQS-1600 Series
³Low-PDL option—IQS-1600-PL Series
³Wide-Area Detector (3 mm) option—IQS-1600W Series
All configurations come in the single-, dual- or quadruple-connector
models.
Introducing the IQS-1600 High Speed Power Meter
2IQS-1600
Main Features
It features a high sampling rate and fast stabilization, and comes in one-,
two- or four-channel options (each detector is independent). It also
provides you with power level and TTL voltage synchronization triggers.
The synchronization triggers will operate simultaneously on dual- and
quadruple-channel models.
The graphical display mode shows all channels on a real-time graph,
which you can analyze afterwards.
The IQS-1600 High Speed Power Meter supports local control (via the
IQS Manager software) and remote control (through GPIB, RS-232, or
Ethernet TCP/IP using SCPI commands or the provided LabVIEW drivers).
For more information, refer to the IQS platform user guide.
Power Meter
IQS-1600
ANALOG OUT
EXT.
TRIG
External connector (used only
with the IQS-12004B system)
Analog
output
port
Optical
detector port
External trigger port
(SMB connector)
LED push
button
Fiber-optic
adapter
External trigger
port (SMB
connector)
2-Ch Power Meter
IQS-1600
EXT.
TRIG
ANALOG OUT
C1
C2
C1
C2
C3
E
X
F
O
N
T
T
-
F
C
Sync
Sync In
4-Ch Power Meter
IQS-1600
C4
Out
Trig
IQS-1610 IQS-1620 IQS-1640
Retaining
screw knob
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