EXFO FTB-8510B Guia Del Usuario página 911

For Continuous method:
On/Off button: The On/Off button is used to activate/deactivate the
selected alarm. This setting is disabled (Off) by default.
For Burst method:
The burst method injects the programmed number of consecutive alarmed
frames, reprensenting the burst Duration (M), over a specific event
Period (N).
Duration and Unit: Select the number of consecutive alarmed frames
or the number of consecutive seconds in alarm.
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).
Period and Unit: When the Mode is set to Repeat, select the interval,
either in frames or in seconds, the alarm burst will be repeated.
On/Off button: The On/Off button is used to activate/deactivate the
selected alarm for the selected Duration and Period. For Single Mode,
the alarm generation will be active for the specified duration and will
automatically stop (the On/Off button turns Off). For Repeat Mode the
alarm generation 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.
SONET/SDH Application
SONET Tabs
LOP TX (SONET)
261