Spectracom NetClock 9400 Series, Руководство пользователя

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order you assign to your available references typically is a function of their accuracy and reli
ability.
Note: The References shown on your screen may look different from the ones in
the illustration below, depending on your NetClock 9400 Series Time Server
model and hardware configuration.
Each available type of
Time
and
1PPS
input reference is assigned a human-readable name or
“title” that is used in the Reference Priority table, indicating the type of reference. The reference
titles are listed in the following table:
Table 3-1:
Reference priority titles
Title Reference
ASCII Timecode ASCII serial timecode input
External 1PPS input External 1PPS input
Frequency External Frequency input
GNSS GNSS input
PTP PTP input
IRIG IRIG timecode input
Local System Built-in clock OR internal 1PPS generation
NTP NTP input
User Host (time is manually set by the user)
HAVEQUICK HAVEQUICK input
The number displayed indicates the number of feature inputs of that type presently installed in
the NetClock– starting with “0” representing the first feature input. For example:
162
CHAPTER
3
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NetClock User Reference Guide Rev. 16
3.3 Managing Input References