EXFO FTB-800 Series for FTB-1 - Manual (Page 72)

Test Setup - Test Applications
62 FTB-700G/800 Series
1588 PTP
1588 PTP
The 1588 PTP (Precision Time Protocol) test application handles the
1588 PTP communication with the Grand Master (GM) clock, collects
statistics related to packets, and monitors the clock Quality Level.

Typical 1588 PTP test application:

Supported Interfaces/Rates: 10M to 10G LAN.
Network
under test
Testing Unit GM Clock
FTB-700G/800 Series Grand Master Clock Source