External Reference (Gm) Survey Mode - Safran WR-ZEN Series User Manual

5.1.4.2

External Reference (GM) survey mode

The Survey Mode for the external reference, named as Grand Master Survey
Mode, is useful to compare an active external reference with a current PTP, NTP,
or White Rabbit synchronization.
Configuration of GM Survey mode is done via the CLI or Web GUI.
GM Survey Mode via the CLI
To enable GM survey mode:
GM Survey Mode via the Web GUI
CHAPTER •
5 WR-ZEN Series User Manual Rev. v5.1
net/wrX/1/servo/mean_ delay:
fixed+semistatic (cRTT)
net/wrX/1/servo/delay_MS: Delay between Master and Slave
net/wrX/1/servo/delay_ MM: The measured round trip time, including
fixed+semistatic delays (Legacy WR:'mu')
net/wrX/1/servo/offset_from_master: The time error between a Slave
Clock and a Master Clock (Legacy WR: clock offset)
1. Open the CLI configuration menu (as explained in (Editor: link to CLI conf))
2. Navigate to Timing > Grandmaster > mode
3. Chose the mode Survey.
4. Reboot the device.
Tip: The device must be set to Boundary Clock mode to use the Sur-
vey Mode with an External Reference.
5.1 Multi-sources & Resiliency
Cable round trip time excluding
69