097-55501-02 Issue 7 – January, 2005 TimeHub 5500 TL1 Reference Guide 151
Performance Monitoring
Measurements
Table 4-1 lists FFOFF measurements and the measurement time period for an input
port.
Command Example:
RTRV-PM::CLK-4:SC1::FFOFF;
The response to the command in this example displays FFOFF information about
input port 4.
Parameter Value Description
CLK a-b a = 1 or 2 Clock card from which data was collected
b = 1 to 4 Input port number of Clock card from which data
was collected
FFOFF-a a = 3S, 12S, 48S, 192S, 768S, 3072S Performance monitoring measurement type,
where a is the averaging time interval (refer to
Table 4-1 for details). Variable a can also be
appended to FFOFF in RTRV-PM to obtain a
response for only that measurement time
<monval> Calculated values for averaging times in ppm
<status> COMPL Averaging time calculation was completed
NA,NA Averaging time calculation is not yet available
Table 4-1 FFOFF Measurements and Time Periods for Single Input Port
Measurement
Averaging Time
First Data
Available After
Updated Every
Includes Data
from Last
FFOFF-3S 3 s 1 s 3 s
FFOFF-12S 12 s 4 s 12 s
FFOFF-48S 48 s 16 s 48 s
FFOFF-192S 192 s 64 s 192 s
FFOFF-768S 768 s 256 s 768 s
FFOFF-3072S 3072 s 1024 s 3072 s
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