NTP100 – Rev 2.2.0 Oct-12
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Set NTP Stratum Levels
To adjust the clock display intensity (brightness), select option ‘5’. An added-feature of the NTP100 is stratum levels that are
user-assignable. The NTP100 stratum levels are user assignable from 0-15, for both the external reference (primary – GPS or
Time Code) and the internal clock reference (secondary - TCXO).
The factory default stratum level settings for the NTP100 family are “2” for the External Ref, and “3” for the Internal Clock.
The Internal Clock stratum level cannot be adjusted to a reference level exceeding that of the External Reference.
A stratum reference level of “0” is defined to be “disabled”.
In addition to the Stratum Level assignment, the allowable time dissemination duration for the operation on the Internal
Clock can be configured in the Advanced Configuration section (see below).
NOTE: The NTP100-GPS has a GPS receiver built in and can be considered a Stratum Level 1 device, as such, it can be
assigned a stratum level of “1” for the “External High Precision Reference” (defined to be: when locked to GPS).
Set NTP Server Port
To configure the port that the NTP100 serves time requests on, select option ‘A’. The well-known port for NTP server
services is 123.
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