12713020-002-2 Revision D – April 2004 SSU-2000 User’s Guide 423
Stratum 1 Clock Module
Stratum 1 Clock Module
Table E-3 lists the software configuration options and factory defaults for the Type 1
Clock module
.
Clk Switch AR On On/Off
Input Switch AutoReturn (AR) AR (2)/AS On (1)/AS Off (0)
Input Selection Mode Priority Priority (0)/PQL (1)
Local Oscillator (LO) On On/Off
Frequency Offset 57 ppb Constant
Elevation Time 86400 seconds 60 to 500000 seconds
Table E-3. Type 1 Clock Module Options/Defaults
Setting Default Range
Warmup Time 1200 seconds 900-3600 seconds
Min Tau 330 seconds 150 – 1200 seconds
Max Tau 450 seconds 150 – 1200 seconds
Clk Switch AR On On/Off
Input Switch AutoReturn (AR) AR (2)/AS On (1)/AS Off (0)
Input Selection Mode Priority Priority (0)/Pql (1)
Local Oscillator (LO) OFF On/Off
Alarm Elevation Time 86400 seconds 60 to 500,000 seconds;
0 disables alarm
Table E-2. Stratum 2E and 3E Clock Module Default Settings (Continued)
Setting Factory Default Range
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