GeoSIG GMS plus Installation guide

FAQ GMSplus How to Use as NTP Client ¶
1. Introduction
This procedure describes how to set a GMSplus as NTP client.
It will allow the GMSplus to synchronize its time with a NTP server.
2. Required Tools
GMSplus with network connection
Domain or IP address of a NTP server.
It can be a public server (see e.g. pool.ntp.org), a dedicated server in your network (check with your network admin) or a
GMSplus with a GPS configured as NTP server (http://www.geosig.com/files/FAQ_GMSplus_How_to_Use_as_NTP_Server.pdf)
3. Enter NTP server in GMSplus config
The NTP server can either be entered through the webinterface (3.1) or from GMSplus serial console (3.2)
3.1 Enter NTP Server through Webinterface
Open your webbrowser, enter the IP address of your GMSplus and login as admin (default password 123456)
Choose tab Configuration and click Miscellaneous Parameters

Click Time synchronization

Choose Time source NTP from the dropdown
Enter the IP or domain of your primary NTP server
Enter the IP or domain of your secondary NTP server (enter the primary NTP server again if you don't have a secondary)

Click Apply and Restart and confirm the pop-up with Yes to apply the changes

3.2 Enter NTP Server from GMSplus Serial Console
Connect to the serial console of your GMSplus
Press C to enter the configuration menu and press C again to edit current configuration
Press O to enter Miscellaneous Parameters

Press K to enter Time synchronization
Press A until Time source shows NTP

Press I to enter the IP or domain of your primary NTP server
Press J to enter the IP or domain of your secondary NTP server (enter the primary NTP server again if you don't have a
secondary)

Press Esc followed by ENTER and again Esc followed by ENTER to get back to the main menu
Press Esc to exit the menu
Press C to save the configuration as "current"
In the main menu, press R followed by Enter to restart the instrument
After the restart, the configuration changes are applied
Make sure that SOH status of the time sync shows Locked (can take several minutes)