Chapter 4 General Guidelines for using the Symmetricom TimeCreator 1000
CLI commands
Set tod-source gps
Set interface state gps enable
(Wait until GPS is available)
Sync tod-source now
Configuring For NTP Mode
Enter the following commands to set up NTP mode:
Show clock
Example if time is more than 4 hours off:
Set tod-source user
Set clock date yyyy-mm-dd time hh:mm:ss
Set tod-source ntp
Set NTP-server add <ip address>
Set service ntpd disable
Set service ntpd enable
Sync tod-source now
Configuring For Subtending Mode
Enter the following commands to set up Subtending mode:
Example for portA (port 11):
Set tod-source dti
Set interface type porta client
Set interface state port 11 enable (Previous 2 commands must be
issued first)
Example on root server using port 5:
Set interface state port 5 enable
Set interface tod-mode verbose
Forcing Unit To Send New Time
Whenever the "Jam sync required" alarm is raised, which can be caused by
changing the TOD source after the unit has left warm-up, you must enter the
following command to change the time and DOCSIS time stamp:
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TimeCreator 1000 User's Guide
097-93100-01 Revision C – February, 2010