EXFO FTB-8500 Series for FTB-200 - Manual (Page 346)

Expert Mode Tabs
332 FTB-8500 Series and FTB-8120NGE/8130NGE
Latency (RFC 2544)
Latency (RFC 2544)
Press , and Latency.

Enable Criteria: Allows to enable Latency Pass/Fail criteria. This
setting is disabled by default.
Note: Both Enable Criteria and the test itself (see Global Configuration on
page 252) have to be enabled for a specific test to be able to change its
criteria values.

Frame Size: Indicates the frame sizes selected for the test.

TX-to-RX/P1-to-P2/P2-to-P1/Local to Remote/Remote to Local:
For each frame size, enter the maximum time required for the sent
frame to come back before declaring a Fail condition.
P1-to-P2/P2-to-P1 is only available with FTB-8510B.

Status: Indicates the real-time pass/fail condition.
Grey LED: Indicates that Expert Mode is disabled or the test did not
run yet.
Green LED: Indicates that the threshold is respected (Pass).
Red LED: Indicates that the threshold is not respected (Fail).