User's Manual

J Plus, Inc
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Figure 22: DHCP setup &CWMP Setup Menu
7.2.1.6 Clock sync & SYS time settings
From the tree menu, select Clock sync and Sys time settings to move onto System Time Settings configuring
Disable, NTP, and GPS/IEEE1588. GPS Settings configuring Disable/Enable and GPS Holdover Time, IEEE1588
Settings configuring Disable/Enable, IEEE1588 Holdover Time, and the number of Master IP, Air Sync configuring
Disable/Enable. Also, Downlink Time Offset can be configured. After changing Clock sync and Sys time settings
and click Apply, the new configuration must be saved.
If any holdover time is set to ‘zero’, the system will wait forever until the selected method
gets Synchronized.