097-55501-02 Issue 7 – January, 2005 TimeHub 5500 TL1 Reference Guide 95
Keywords
Keyword Description
AUTOPM (Auto-Upload PM)
This keyword inhibits or allows automatic display of performance data for a
particular input channel. The data to be displayed are established by the setting of
the PM property of the performance monitoring measurements (MRTIE, TDEV,
LMRTIE, FFOFF, SPRD, TIE). The primary purpose of this keyword is to disable all
automatic measurement displays from a channel without turning off the PM property
on each indicated measurement. The keyword format is:
AUTOPM=<value>
Performance monitoring data is displayed automatically only if the following
parameters have been set:
AUTOPM was set to Y for the desired input channel.
The PM property was set to Y for the desired <montype> and input channel.
If requesting more data to be displayed than the communications channels can
handle, some reports can be lost. This problem is most likely to occur if data is
displayed at 1 second intervals.
To avoid this problem, display one second LMRTIE data at one minute or 15 minute
intervals, rather than every second. For measurements, enabling automatic
reporting of the one minute or 15 minute LMRTIE and MRTIE values also causes
the one second or one minute values to be reported along with the 15 minute values
even though one second data is not explicitly enabled for automatic reporting. If the
reporting of the one second data is enabled, it is displayed every second (except for
MRTIE which is only calculated at 15 minute intervals).
B8ZS (Bipolar 8-Zero Substitution)
This keyword enables bipolar 8-zero substitution (B8ZS) coding on an input
channel. This keyword does not affect the PRC (Primary Reference Clock) input.
The keyword format is:
B8ZS=<value>
Parameter Value Description
<value> Y Performance data is displayed for the channel
N Performance data is not displayed for the channel
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