EXFO FTB-2 - Manual (Page 215)

Preparing for Automation
FTB-2 and FTB-2 Pro 205
Changing Communication Settings
3. Under Platform Startup, determine whether your module applications
will be started locally or remotely by clicking the corresponding option.

If Local mode is selected, you will not be able to send remote
commands to your unit.

If Remote mode is selected, all modules in your unit will be
initialized upon startup so you are ready to send remote
commands.
If you selected Local mode, you can go directly to step 6.
4. Under Communication Type, select ActiveX, RS-232, or TCP/IP
For more information on the choice of a particular type, see the table
on page 200.
Note: If the selected communication type does not match the protocol that will
actually be used, an error message is displayed when attempting to control
the instruments.