EXFO FTB-800 Series for FTB-1 - Manual (Page 236)

Test Setup - Test Configurator, Timer, and System
226 FTB-700G/800 Series
Streams - Profile

TX Rate / Max TX Rate indicates the transmission rate for Voice and
Video profiles, and allows to enter the transmission rate for Data
profile. The available stream transmission rate will be calculated
according to the selected TX Mode. The default setting is 100% for all
interfaces at the exception of 10Gig-E WAN which is 92.8571%
(depending on the frame format).
Unit choices are % (default), Mbit/s, Gbit/s, frame/s, and IFG.

Frame Count is only available with n-Frame Transmit Mode. Enter the
frame count number: 1 (default) to 267857142857.

Shaping button
For Burst and n-Burst TX modes.

Burst Duty Cycle (%) represents the burst duration within the
burst period: 1 to 100% (default is 50%).

Period represents the burst pattern duration: 1 to 8000
milliseconds (default is 1000 ms).
Unit choices are ms (default) and s.

Burst Count, available with n-Burst TX Mode, represents the
number of times the burst will be repeated: 1 (default) to 255.
For Ramp and n-Ramp TX modes.

Ramp Nb. of Steps represents the number of steps within the
ramp: 2 to 100 (default is 10).

Step Time represents the duration of each step: 100 to 8000
milliseconds (default is 1000 ms).
Unit choices are ms (default) and s.

Ramp Cycle Count, available with n-Ramp TX mode only,
represents the number of times the ramp will be repeated:
1 (default) to 255.