EXFO FTB-800 Series for FTB-1 - Manual (Page 333)

Test Results
NetBlazer 323
Quality Level (SyncE)

TX

Information gives the count of information frames generated for
each Quality Level as well as the total of all Quality Level values.
For 1GE Electrical interface using Slave as Master-Slave Clock,
only the count for QL-DNU/DUS is reported.

Event gives the count of event frames generated for each Quality
Level as well as the total of all Quality Level values. Not available
with 1GE Electrical using Slave as Master-Slave Clock.

RX

Information gives the count of information frames received for
each Quality Level as well as the total of all Quality Level values.

Event gives the count of event frames received for each Quality
Level as well as the total of all Quality Level values.