EXFO FTB-8500 Series for FTB-500 - Manual (Page 201)

Traffic Analyzer Tabs
Ethernet and Fibre Channel Application 187
Capture

Trigger Position: Allows the selection of the triggered frame position
within the buffer.

Post-Trigger: The trigger frame is located at the beginning of the
buffer meaning that the buffer will contain the triggered frame with
the following frames.

Mid-Trigger: The trigger frame is located at the middle of the
buffer meaning that the buffer will contain the triggered frame with
the preceding and following frames.

Pre-Trigger: The trigger frame is located at the end of the buffer
meaning that the buffer will contain the triggered frame with the
preceding frames.
Status and Controls

Capture Status: Indicates the status of the data capture:

“--”: The capture is not started and has not run yet.

Armed...: The capture is started but waiting for the trigger event.

Capturing...: The capture is in progress. For Post-Trigger and
Mid-Trigger mode, the trigger event has been captured and the
buffer is filling up.

Completed: The capture is completed.

Frame Count: Indicates the number of frames captured that matches
the selected filter criteria. However, for Mid-trigger and Pre-Trigger,
the frame counter will only be available when the capture is
completed.

Triggered Error: When trigger on error is selected, it indicates the
error that activated the trigger.

Triggered Frame - Details: Gives details on the triggered frame. Refer
to Triggered Frame Details on page 508 for more information.