EXFO FTB-800 Series for FTB-1 - Manual (Page 330)

Test Results
320 FTB-700G/800 Series
Quality Level (1588 PTP)

Count gives the count for each QL code (PTP Clock Class) included in
the announce message received.

Other includes all clock class codes (0 to 255) included in the
announce message received other than the QL codes (see table
above). Refer to page 341 for the complete list.

Total indicates the total count of all QL code messages received.
QL-EEC2/ST3 102 Ethernet Equipment Clock Option 2
Traceable to Stratum 3 (G.812 Type IV)
QL-EEC1/SEC 104 Ethernet Equipment Clock Option 1
Synchronous Equipment Clock (G.813 or G.8262, Option 1)
QL-SMC 106 Traceable to SONET Minimum Clock (G.813 or G.8262,
Option 2)
QL-PROV 108 Provisionable by the Network Operator (PNO)
QL-DNU/DUS 110 Do Not Use
Do Not Use for Synchronization
Quality Level
value
PTP Clock
Class
Description