EXFO IQS-8100 Series Transport Blazer for IQS-600 - Manual (Page 273)

SONET Tabs
SONET/SDH Application 259
LOP TX (SONET)
For Burst method:
The burst method injects the programmed number of consecutive errored
frames, reprensenting the burst duration (M), over a specific event
period (N).
³
Duration and Unit: Select the number of consecutive errored frames
or the number of consecutive seconds in error.
³
Mode: Allows the selection of the burst mode that will determine if the
burst will be repeated (Repeat) at the beginning of each period or not
(Single).
³
Period and Unit: When the Mode is set to Repeat, select the interval,
either in frames or in seconds, the error burst will be repeated.
³
On/Off button: The On/Off button is used to activate/deactivate the
selected error for the selected Duration and Period. For Single Mode,
the injection will be active for the specified duration and will
atuomatically stop (the On/Off button turns Off). For Repeat Mode the
error injection will be active for the specified duration and will be
repeated continuously at the beginning of each period until the On/Off
button is turned Off. This setting is disabled (Off) by default.