EXFO FTB-8500 Series for FTB-500 - Manual (Page 158)

Port Tabs
144 FTB-8500 Series and FTB-8120NGE/8130NGE
Interface Setup (Fibre Channel)
Interface Setup (Fibre Channel)
Note: For Ethernet test case, see Interface Setup (Ethernet) on page 140.
Press TEST, Port1/2, and Interface.
Configuration

PSP (Link Protocol)
The Primitive Sequence Protocol (PSP) allows link management when
the PSP (Link Protocol) check box is selected and forces the port in
Active mode when the PSP (Link Protocol) check box is cleared. The
PSP (Link Protocol) check box is selected by default.

Speed
Select the speed of the connected FC interface. Choices are 1X, 2X,
4X, and 10X.