EXFO FTB-5230S Optical Spectrum Analyzer for FTB 200 v2 - Manual (Page 15)

Getting Started with Your OSA/OCA
OSA/OCA 9
Inserting and Removing Test Modules
3. Take the module and place it vertically so that the retaining screw hole
is at the left of the connector pins.
4. Insert the protruding edges of the module into the grooves of the unit’s
module slot.
5. Push the module all the way to the bottom of the slot, until the
retaining screw makes contact with the unit casing.
6. Place the unit so that its bottom panel is facing you.
C
AUTION
Inserting a module upside down could result in permanent damage
to the module, as the connector pins might be bent.