EXFO ETS-1000 - Manual (Page 115)

Configuring and Starting a Test
Ethernet Tester Analyzer 107
Test Traffic
The Jitter measurements scheme 3 is shown below:
Test traffic menu is shown below:

Send: Enable or disable test traffic generating.

Tx port: Select the port to generate test traffic at.

Duration: Indicates the duration of the test traffic generating.

Rate (L2): Enter the rate in percent (F1), in kbps (F2) or in Mbps (F3).
The accepted range is from 00:00:01 to 23:59:59.

Frame size:
if you select Random, frame size will change with uniform distribution
in specified range (Min frame, Max frame menu items);
if you select Constant, frames from the Frame menu item will be used
for the testing.