EXFO FTB-700 for FTB-1 - Manual (Page 21)

OTDR 13
3 Getting Started with Your
OTDR
Inserting and Removing Test Modules
To insert a module into the FTB-1:
1. Turn off your unit (Shutdown).
2. Position the unit so that its front panel rests on a flat surface such as a
table.
C
AUTION
Never insert or remove a module while the FTB-1 is turned on. This
will result in immediate and irreparable damage to both the
module and unit.
C
AUTION
To avoid damaging your unit, use it only with modules approved by
EXFO.