EXFO LTB-12 Quick Reference Manual

Understanding the Other LEDs
Green, steady: The unit is on.
Green, blinking: The unit is in Sleep or Hibernation mode.
Green: The unit is working properly and is ready.
Green, blinking: The initialization of the unit is underway.
Yellow: Non-critical hardware error detected.
Red: Critical hardware error detected.
Lit: Reading or writing operations are currently performed on the hard disk.
Removing Modules
Press to prepare the corresponding module
for safe removal.
1
OR
From ToolBox X, click the button.
2
C
AUTION
If your unit is on, wait until the status of the module
switches to "Safe to Remove" in ToolBox X, or the H/S LED
turns steady blue on the unit's front panel
Retaining screws
(can be used as handles to
safely pull the module out)
Wait for the H/S LED to turn steady blue.
© 2020 EXFO Inc. All rights reserved.
Printed in Canada (2020-09)
P/N: 1080154 Version: 1.0.0.1

3 Turn the two retaining screws counterclockwise until they are loose
(do not remove them completely).
Hold the module by its sides or by the retaining screws (NOT by the optical
4
connectors) and pull it out.
Quick Reference Guide
Accessing Connectors and Ports
On/off button
Built-in display with activation button (for network/system information)
Unit LEDs
Module slots
Module eject button
(one per module slot)
Module status LEDs
For more information,
refer to the user guide.
LTB-12
USB 3.0 host ports