Rifocs 577L User manual

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RIFOCS CORP 575L BENCH TOP POWER METER
i
RIFOCS CORP.
833 FLYNN ROAD
CAMARILLO, CA 93012
PH: 805 - 389 9800
FX: 805 - 389 9808
Notice of Proprietary Rights
The design concepts and engineering details embodied in this manual, which are property of
RIFOCS CORP., are to be maintained in strict confidence; no element or detail of this manual is to
be spuriously used, nor disclosed, without the express written permission of RIFOCS CORP. All
rights are reserved. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise, without prior written permission from RIFOCS CORP.
© COPYRIGHT 1996, RIFOCS CORP.
THIRD PRINTING, APRIL 1996, CAMARILLO CALIFORNIA
UNITED STATES OF AMERICA
DOC NO: 0575-54 REV. C
FILE: J:\PROJECTS\575L\DOC\USERMAN\MANUAL.WP
575L
POWER METER
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575L BENCH TOP POWER METER RIFOCS CORP.
ii
EC Declaration of Conformity
We RIFOCS CORPORATION
833 Flynn Road
Camarillo, CA
USA
declare under sole responsibility that the below listed Fiber Optic Instruments, manufactured in
the United States of America, meet the intent of the Directive 89/336/EEC for Electromagnetic
Compatibility. Compliance was demonstrated to the following specifications as listed in the official
Journal of the European Communities:
EN 50081-1 Emissions: EN55022 Radiated, Class B
EN 55022 Conducted, Class B
EN 60555-2 Power Harmonics
EN 50082-1 Immunity: IEC 801-2 Electrostatic Discharge
IEC 801-3 RF Radiated
IEC 801-4 Fast Transients
IEC 801-5 Surge
Instruments: Handheld 250 Series Handheld LED Sources
260 Series Handheld Laser Sources
330 Series Handheld Optical Attenuator
550 Series Handheld Optical Power Meter
Benchtop 752 Series Benchtop Dual LED Source
570 Series Benchtop Optical Power Meter
580 Series Benchtop Return Loss Meter
Modular 670 Series Optical Power Meter Modules
610 Series Nearfield/Farfield Scanner
650 Series LED Source Modules
660 Series Laser Source Modules
671 Series Universal Controller Module
680 Series Coupler/Splitter
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RIFOCS CORP 575L BENCH TOP POWER METER
iii
TABLE OF CONTENTS
1 QUICK START .........................................................................................................1-1
1.1 Front Panel Description..................................................................................1-2
1.2 Rear Panel Description ...................................................................................1-3
1.3 Secondary Functions.......................................................................................1-4
1.4 Remote Terminal Commands.........................................................................1-6
2 GENERAL INFORMATION....................................................................................2-1
2.1 Specifications..................................................................................................2-3
2.2 Specification Definitions ................................................................................2-5
2.3 Warranty Information .....................................................................................2-7
2.4 Statement of Calibration.................................................................................2-8
3 INITIAL PREPARATION ........................................................................................3-1
3.1 Unpacking And Inspection.............................................................................3-1
3.2 Damaged In Shipment ....................................................................................3-1
3.3 Standard Contents...........................................................................................3-1
3.4 Preparation For Use ........................................................................................3-1
4 FRONT PANEL OPERATION ...............................................................................4-1
4.1 Power-Up .......................................................................................................4-4
4.2 EEPROM ........................................................................................................4-4
4.3 Warm-Up Period ............................................................................................4-5
4.4 Optical Input Port (RCVR) ............................................................................4-6
4.5 How to Zero....................................................................................................4-7
4.6 Zero Drift and Minimum Light Detection .....................................................4-7
4.7 How to Select Measurement Units.................................................................4-7
4.7.1 dBm - Absolute Log Units ...............................................................................4-7
4.7.2 dB - Relative Log Units ...................................................................................4-8
4.7.3 WATT - Absolute Linear Units .......................................................................4-8
4.8 \ - Select Wavelength .....................................................................................4-8
4.9 HOLD - Autoranging / Range Hold ..............................................................4-8
4.10 ZERO - Automatic Zeroing............................................................................4-9
4.11 PRINT - Print Label .....................................................................................4-10
4.12 Secondary Functions.....................................................................................4-10
4.12.1 Secondary Functions Menu .........................................................................4-10
4.12.2 FUNCTION 1 - Selecting the Label Format .............................................4-10
4.12.3 FUNCTION 2 - Setting the Label Serial Number .....................................4-10
4.12.4 FUNCTION 3 - Setting the I2C ADDRESS ..............................................4-11
4.12.5 FUNCTION 4 - Setting the BAUD Rate....................................................4-11
4.12.6 FUNCTION 5 - Selecting Default Wavelength .........................................4-11
4.12.7 FUNCTION 6 - Selecting Default Mode ..................................................4-11
4.12.8 FUNCTION 7 - Setting the Year ...............................................................4-12
4.12.9 FUNCTION 8 - Setting the Date (day-month)...........................................4-12
4.12.10 FUNCTION 9 - Setting the Time..............................................................4-12
4.12.11 FUNCTION 10 - Selecting REF/REL+RATIO ........................................4-13
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575L BENCH TOP POWER METER RIFOCS CORP.
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4.12.12 FUNCTION 11 - Range Hold configuration ............................................4-15
4.12.13 FUNCTION 12 - Display Software Revision Level .................................4-16
4.12.14 FUNCTION 13 - Set dB mode configuration............................................4-17
5 SYSTEM CONFIGURATION ................................................................................5-1
5.1 Typical Systems..............................................................................................5-1
5.2 RS232 Interface ..............................................................................................5-4
5.3 I2C Bus Connections ......................................................................................5-6
6 REMOTE OPERATION ...........................................................................................6-1
6.1 Remote Commands ........................................................................................6-3
6.2 Creating and Loading Label Format Files ...................................................6-10
6.3 Data Format ..................................................................................................6-14
6.4 Using a Terminal Emulation Program with the 575L .................................6-22
6.5 Programming Example in BASIC................................................................6-23
7 APPLICATIONS ....................................................................................................... 7-1
7.1 Optical Power Measurement ......................................................................... 7-1
7.2 End-To-End Loss Measurement ....................................................................7-1
7.4 Connector and Component Loss Measurement ............................................7-5
8 THEORY OF OPERATION ..................................................................................... 8-1
8.1 Functional Description ...................................................................................8-1
8.2 Optical Detector..............................................................................................8-2
8.3 CPU Board...................................................................................................... 8-2
8.4 Display Board .................................................................................................8-4
9 ACCESSORIES......................................................................................................... 9-1
9.1 Fiber Optic Adapters ......................................................................................9-1
9.2 Rack Mount Adapter .....................................................................................9-2
10 PERFORMANCE VERIFICATION ......................................................................10-1
10.1 Environmental Conditions............................................................................10-1
10.2 Recommended Test Equipment ...................................................................10-1
10.3 Initial Conditions ..........................................................................................10-3
10.4 Equipment Set-Up .......................................................................................10-3
10.5 Verifying Calibration Accuracy...................................................................10-4
10.6 Verifying Linearity.......................................................................................10-4
10.7 Verifying Analog Output Accuracy.............................................................10-8
11 OPTICAL CALIBRATION ....................................................................................11-1
11.1 Calibration ....................................................................................................11-1
11.2 Recommended Calibration Equipment ........................................................ 11-1
11.3 Environmental Conditions............................................................................11-3
11.4 Equipment Set-Up ........................................................................................11-3
11.5 Calibration Procedure...................................................................................11-4
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RIFOCS CORP 575L BENCH TOP POWER METER
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12 MAINTENANCE ....................................................................................................12-1
12.1 Fuse Installation/Replacement .....................................................................12-1
12.2 Troubleshooting............................................................................................12-1
INDEX ............................................................................................................................Index-1
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575L BENCH TOP POWER METER RIFOCS CORP.
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LIST OF FIGURES
Figure 1-1 Front Panel Assignments............................................................................1-1
Figure 1-2 Rear Panel Assignments.............................................................................1-3
Figure 1-3 Front Panel Button Assignments................................................................1-4
Figure 1-4 Secondary Function State Diagram. ...........................................................1-6
Figure 4-1 LCD segments and annunciators................................................................4-3
Figure 4-2 Connecting the SNAP-ON Adapter. ..........................................................4-6
Figure 4-3 Error code -E2- displayed...........................................................................4-9
Figure 4-4 LCD display while in REL+RATIO mode...............................................4-13
Figure 4-5 LCD display while in REF mode. ............................................................4-14
Figure 4-6 Multi-channel ratio (A/B) measurements.................................................4-15
Figure 5-1 A single 575L controlled by a computer. ...................................................5-1
Figure 5-2 Two 575Ls controlled by a computer.........................................................5-2
Figure 5-3 Multi-channel dB ratio measurements........................................................5-2
Figure 5-4 A 575L connected to a parallel printer.......................................................5-3
Figure 5-5 RS232 Connector Pinout. ...........................................................................5-4
Figure 5-6 I2C Bus Interface Pinout.............................................................................5-6
Figure 5-7 I2C Bus Cable. ............................................................................................5-7
Figure 5-8 Parallel Printer Connector Pinout...............................................................5-7
Figure 6-1 Two 575Ls controlled by a computer.........................................................6-4
Figure 7-1 EMS Apparatus (Mandrel Wrap). ..............................................................7-2
Figure 7-2 Initial Reference Power Level....................................................................7-4
Figure 7-3 Test Cable Power Level. ............................................................................7-4
Figure 7-4 Block Diagram of Component Insertion Loss Measurement.....................7-6
Figure 8-1 Basic Components of the 575L. .................................................................8-1
Figure 10-1 Diagram of equipment set-up for calibration. ..........................................10-3
Figure 10-2 Equipment set-up for analog output verification......................................10-8
Figure 11-1 Diagram of equipment setup for calibration.............................................11-3
Figure 12-1 Fuse Installation. ......................................................................................12-1
LIST OF TABLES
Table 1-1 Secondary Function Quick Reference. .......................................................1-5
Table 1-2 Remote Command Quick Reference. .........................................................1-7
Table 1-2 Remote Command Quick Reference (continued).......................................1-8
Table 2-1 Specifications at 18°C to 25°C...................................................................2-3
Table 2-1 Specifications at 18°C to 25°C (continued). .............................................2-4
Table 2-1 Specifications at 18°C to 25°C (continued). ..............................................2-5
Table 4-1 Summary of Front Panel Functions............................................................4-1
Table 4-2 Summary of Front Panel Secondary Functions ..........................................4-2
Table 4-2 Summary of Front Panel Secondary Functions (continued).......................4-3
Table 4-3 Factory Parameters Stored in EEPROM ....................................................4-5
Table 4-4 Sensitivity Levels of the Power Meter .......................................................4-7
Table 4-5 Range Hold Configuration Options..........................................................4-16
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RIFOCS CORP 575L BENCH TOP POWER METER
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Table 4-6 Error Codes .............................................................................................. 4-18
Table 5-1 575L RS232 Interface Pinout..................................................................... 5-4
Table 5-2 RS232 Interface Cable. .............................................................................. 5-5
Table 5-3 Parallel Printer Connector Wiring.............................................................. 5-8
Table 6-1 Summary of Remote Commands ............................................................... 6-1
Table 6-1 Summary of Remote Commands (continued)............................................ 6-2
Table 6-1 Summary of Remote Commands (continued)............................................ 6-3
Table 6-2 Format Specifiers for Label Printing ....................................................... 6-12
Table 6-2 Format Specifiers for Label Printing (continued) .................................... 6-13
Table 6-3 575L Return String Data Format.............................................................. 6-15
Table 6-3 Return String Data Format (continued).................................................... 6-16
Table 6-3 575L Return String Data Format (continued) .......................................... 6-17
Table 6-4 575L Data Return String Examples ......................................................... 6-18
Table 6-4 575L Data Return String Examples (continued)...................................... 6-19
Table 6-4 575L Data Return String Examples (continued)...................................... 6-20
Table 6-4 575L Data Return String Examples (continued)...................................... 6-21
Table 6-4 575L Data Return String Examples (continued)...................................... 6-22
Table 8-1 Relationship of the power reading to the analog output voltage................ 8-3
Table 9-1 RIFOCS Snap-On (SOC) series adapters................................................... 9-1
Table 9-2 RIFOCS Interface Cables........................................................................... 9-2
Table 10-1 Recommended Test Equipment ............................................................... 10-2
Table 10-2 Linearity Test Chart for 780nm, 850nm................................................... 10-6
Table 10-3 Linearity Test Chart for 1300nm-1550nm. .............................................. 10-7
Table 10-4 Analog Output Accuracy Verification Chart. .......................................... 10-9
Table 11-1 Recommended Calibration Equipment. ................................................... 11-2
Table 12-1 Troubleshooting Chart ............................................................................. 12-2
Table 12-1 Troubleshooting Chart (continued).......................................................... 12-3
Table 12-1 Troubleshooting Chart (continued).......................................................... 12-4
Table 12-1 Troubleshooting Chart (continued).......................................................... 12-5
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575L BENCH TOP POWER METER RIFOCS CORP.
viii
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RIFOCS CORP 575L BENCH TOP POWER METER
1-1
1 QUICK START
This section will give the practiced technician an overview of the functionality of
the 575L Power Meter as well as a description of the operating procedures. A
more detailed description of the functions can be found in section 4.
Figure 1-1 Front Panel Assignments.
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