Spectracom NetClock 9489 - Page 300

Selected Ref—The reference NetClock is currently using.
Stratum—This is the stratum level at which NetClock is operating.
Leap Indicator—The leap indicator bits (usually 00). See "Leap Second Alert Noti
fication" on page156.
Delay (ms)—The measured one-way delay between NetClock and its selected ref
erence.
Time Offset—This is a graphical representation of the system time offset over
time. Clicking on this graph in the NTP Status Summary panel will open a win
dow in the main panel containing a larger, more detailed view of the graph. See
"The NTP Time Offset Performance Graph" below.
Offset (ms)—Displays the configured 1PPS offset values.
Frequency Offset—This is a graphical representation of the system frequency off
set over time. Clicking on this graph in the NTP Status Summary panel will open a
window in the main panel containing a larger, more detailed view of the graph.
See "The NTP Frequency Offset Performance Graph" on page286.
Jitter (ms)—Variance (in milliseconds) occurring in the reference input time (from
one poll to the next).
Jitter—This is a graphical representation of the system jitter over time. Clicking on
this graph in the NTP Status Summary panel will open a window in the main
panel containing a larger, more detailed view of the graph. See "The NTP Jitter
Performance Graph" on page287.
Note: This panel is updated every 30 seconds, or upon clicking the
browser refresh button.
The NTP Time Offset Performance Graph
To view the NTP Time Offset performance graph:
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CHAPTER 4 • NetClock User Reference Guide Rev. 16
4.5 Quality Management