Chapter 5 Maintenance And Cleaning; Chapter 6 Troubleshooting And Repair - THORLABS DFB13TK User Manual

Low-Noise DFB Laser System
Specification
Mating Connector
Open Circuit Voltage
Short Circuit Requirements
Interlock Switch Requirements
Chapter 5 Maintenance and Cleaning
Always clean fiber optic connectors that will be inserted into the system and install the dust cap whenever the
source is not being used. Allowing dust and dirt onto the fiber end faces will degrade coupling efficiency and
possibly damage the fiber patch cables, both inside and outside.
Chapter 6 Troubleshooting and Repair
Below are a few checks to help in troubleshooting problems that may arise. Please contact your local Thorlabs
Technical Support office with any questions.
If the unit does not appear to turn on correctly, please check the following items:
Ensure that the main AC receptacle is powered.
•
• Ensure that main power cable is fully seated at both ends.
• Ensure that rear power switch is in the "I" position.
LED Indicator
POWER solid green
EMISSION blinking green
EMISSION solid green
FAULT briefly red during start up
FAULT solid red
Page 16
Value
2.5 mm Mono Phono Jack
Internal Pull Up to 5 VDC
1.0 mA DC
Must be N.O. Dry Contacts
Under No Circumstances Should Any External
Voltages be Applied to the Interlock Input
Description
Laser system powered and ready to use
Laser emission on has been toggled. Laser output
is about to be active
Laser emission is on
Laser system showing functional LED indicator
Fault detected in laser system
Chapter 5: Maintenance and Cleaning
Ground
Interlock Circuitry
TTN339662-D02