EXFO FTB-860, Руководство пользователя, Страница: 133 / 409

Traffic Gen & Mon Test Setup and Results
NetBlazer
121
Streams Configuration
Shaping
Note: Shaping is available for 1- Main stream configuration only.

Shaping
: Select the shape of the 1- Main stream. Choices are
Constant , Burst , and Ramp . The default setting is Constant .
Note:
The shaping is forced to Constant when Jitter is enabled. See Jitter
Configuration on page 123.
Constant
transfers the frame continuously according to the configured
TX rate.
Burst
transfers the frames at Max TX Rate during the percentage of the
Burst Period determined by the Duty cycle parameter.
Ramp
transfers the frames by incrementing successively the transmit
rate up to the Max TX Rate. The transmit rate progression is divided
into a number of Steps. Each step duration is determined by the Step
Time parameter.

Burst Duty Cycle (%)
: Enter the value of
Burst Duty Cycle
. This
parameter determines the burst duration within the burst period. The
accepted range is from
1
% to
100
%. The default value is
50
%. The burst
duty cycle parameter is available only when the Burst shaping mode is
selected in the
Shaping
field.

Periods (ms) : Determine the burst pattern duration. The accepted
range is from
1
ms to
8000
ms. The default value is
1000
ms.

Ramp Nb. of Steps : Enter the number of steps in the ramp pattern. The
accepted range is from
2
to
100
. The default value is
10
. The
Ramp Nb
.
of Steps parameter is available only when the Ramp shaping mode is
selected in the
Shaping
field.

Step Time (ms) : Enter the duration of each step that constitutes the
ramp. The accepted range is from
1
ms to
8000
ms. The default value
is 1000 ms. The Step Time (ms) parameter is available only when the
Step
shaping mode is selected in the
Shaping
field.