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Introduction
This Service Information Sheet provides the
following service information for the LS-1310/1550
Laser Source (hereafter referred to as "the laser
source").
Precautions and safety information
Parts and service information
Specifications
Cleaning procedures
Required equipment
Performance tests
Calibration adjustments
Diagrams showing calibration measurement
and adjustment points
Parts and accessories lists
For operating instructions, refer to the
LS-1310/1550 Laser Source Instruction Sheet.
Precautions and Safety
Information
Always clean the fiber optic connectors before
use.
Before testing, let the laser source stabilize for
2 minutes after you turn it on.
Warning: Class I Laser Product
To avoid injury, do not service the
source unless you are qualified to do so.
To avoid possible exposure to
hazardous laser radiation and to prevent
eye damage
Never look directly into the source
connector. Though the laser radiation is
invisible, it can damage your eyes.
PN 688967
November 1997, Rev. 1, 9/01
1997, 2001 Fluke Networks, Inc. All rights reserved. Printed in USA. Product names are trademarks of their respective companies.
Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
LS-1310/1550
Laser Source
Service Information Sheet
Do not modify the source.
Do not magnify or otherwise modify the
laser output. Use only approved
connectors and adapters.
Do not use controls, adjustments, or
procedures not documented or approved
by Fluke Corporation.
Caution
While servicing the laser source, always
follow guidelines for preventing
electrostatic discharge (ESD). Otherwise,
ESD can damage sensitive components,
causing immediate or delayed failure of
the source.
Parts and Service
The source is warranted to be free from defects in
material and workmanship for one year, while
under normal use. Parts and repairs are warranted
for 90 days. Refer to the laser source instruction
sheet for the complete warranty statement.
To order parts, or for warranty service, contact
Fluke as follows:
U.S.A.: 1-888-993-5853
Canada: 1-800-363-5853
Europe: +31-402-675-200
Japan: +81-3-3434-0181
Singapore: +65-738-5655
Anywhere in the world: +1-425-446-4519
For operating assistance in the USA, call
1-800-283-5853.
Visit the Fluke Networks web site at
www.flukenetworks.com.

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Summary of Contents for Fluke LS-1310

  • Page 1 Never look directly into the source connector. Though the laser radiation is invisible, it can damage your eyes. PN 688967 November 1997, Rev. 1, 9/01 1997, 2001 Fluke Networks, Inc. All rights reserved. Printed in USA. Product names are trademarks of their respective companies.
  • Page 2: Specifications

    500 mA and a current-limit Emitter Type Laser adjustment • Laser Class 1 Fluke 187 DMM (digital multimeter), Classification equivalent, or better • 20 MHz digital or analog oscilloscope, Safety Complies with ANSI/ISA S82.01- equivalent, or better 1994, CSA C22.2 No.
  • Page 3 Service Information Sheet Calibration Adjustments for Serial Numbers < 79130000 1-9. Set the laser source's power switch to either Calibration Adjustments for Serial the 1310 nm or 1550 nm position. Verify that Numbers < 79130000 the laser source LED is off LOW BATTERY and the SOURCE ACTIVE...
  • Page 4 LS-1310/1550 Laser Source Front Back nu01f.eps Figure 1. Jumpers and Calibration Measurement and Adjustment Points for SN < 79130000...
  • Page 5 Service Information Sheet Calibration Adjustments for Serial Numbers < 79130000 3-7. With the laser source set to 1310 nm, verify Step 3: Calibrating and Adjusting the that the power reading is -9.2 dBm ±0.1 dB. 1310 nm Circuit 3-8. Adjust the 1310 nm external potentiometer Use the following procedure to make calibration (R24) counterclockwise to verify that the adjustments to the 1310 nm laser diode circuit and...
  • Page 6: Step 1: Preparing For Calibration

    LS-1310/1550 Laser Source WCaution Step 5: Reassembly and Final Test In the following steps, do not exceed 5-1. Remove the singlemode cable from the laser the laser diode’s maximum operating source. Put the dust cap onto the laser source current of 60 mA. Doing so can damage optical ST connector.
  • Page 7 Service Information Sheet Calibration Adjustments for Serial Numbers ≥ 79130000 1-6. Before applying power to the laser source, do Step 3: Calibrating and Adjusting the the following: 1310 nm Circuit a. Adjust the internal potentiometers R39 Use the following procedure to make calibration and R40 to their full counterclockwise adjustments to the 1310 nm laser diode circuit: positions.
  • Page 8 LS-1310/1550 Laser Source C13+ BT1- BT1+ nu02f.eps Figure 2. Calibration Measurement and Adjustment Points for SN ≥ 79130000...
  • Page 9 Service Information Sheet Calibration adjustments for Serial Numbers ≥ 79130000 4-6. With the laser source set to 1550 nm, verify Step 4: Calibrating and Adjusting the that the power reading is -9.2 dBm ±0.1 dB. 1550 nm Circuit 4-7. Adjust the 1550 nm external potentiometer Use the following procedure to make calibration (R31) counterclockwise to verify that the adjustments to the 1550 nm laser diode circuit.
  • Page 10: Parts And Accessories

    Table 3. Accessories Parts and Accessories Fluke Model Tables 2 and 3 show the replacement parts and Description Number accessories available from Fluke for the LS-1310/1550 Laser Source. Fiber optic cable assembly, ST/ST, NF100SM singlemode Table 2. Replacement Parts Fiber optic cable assembly, ST/SC,...

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Ls-1550

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