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Symmetricom TimeHub 5500 Reference Manual

Symmetricom TimeHub 5500
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TimeHub 5500 TL1 Reference Manual
9
Contents
097-55501-02 Issue 5: June 2003
2
5
3
SSSSSSSSSSSS SSSS SSSSSS SSSSSSS S SSS SSSSSSS
PORTCMDSX (Command/Response Reporting Port
Number–Auxiliary Memory) . . . . . . . . . . . . . . . . . . 167
PRC5MHZ (PRC 5MHz Signal) . . . . . . . . . . . . . . . . 168
PRIORITY (Input Priority) . . . . . . . . . . . . . . . . . . . . . 169
QCUTOFF (Quality Cutoff) . . . . . . . . . . . . . . . . . . . 170
QLEVEL (Quality Level) . . . . . . . . . . . . . . . . . . . . . . 171
REVERT (Revertive Mode) . . . . . . . . . . . . . . . . . . . . 172
RPTALL (Report All) . . . . . . . . . . . . . . . . . . . . . . . . . 173
SCRAMBLE (Scramble Communication) . . . . . . . . . . . 174
SELMDE (Selection Mode) . . . . . . . . . . . . . . . . . . . 175
SNGCLK (Single Clock) . . . . . . . . . . . . . . . . . . . . . 177
SPRDCHN (Spread Channels) . . . . . . . . . . . . . . . . . 179
SQUELCH (Squelch Output) . . . . . . . . . . . . . . . . . . 180
SSMENB (Read SSM Bits) . . . . . . . . . . . . . . . . . . . 181
SSMPRI (SSM Priority Grouping) . . . . . . . . . . . . . . . 182
SYNCMDE (Sync Mode) . . . . . . . . . . . . . . . . . . . . 183
TCONST (Time Constant) . . . . . . . . . . . . . . . . . . . . 185
TCONSTSEC (Time Constant for Secondary Oscillator) 186
TIDQUIET (TID Quiet) . . . . . . . . . . . . . . . . . . . . . . . 187
TRAFFIC (Traffic Data Pattern) . . . . . . . . . . . . . . . . . 188
USESUBRCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
WTRSS (Wait Time to Restore Synchronization Source) 192
YEAR4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Chapter 4 Performance Monitoring
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Fractional Frequency Offset . . . . . . . . . . . . . . . . . . 197
Frequency Spread . . . . . . . . . . . . . . . . . . . . . . . . 199
Latest Maximum Relative Time Interval Error . . . . . . . . 202
Maximum Relative Time Interval Error . . . . . . . . . . . . 206
Time Deviation . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Time Interval Error . . . . . . . . . . . . . . . . . . . . . . . . . 212
Measurement Properties . . . . . . . . . . . . . . . . . . . . . . . 215
Displaying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

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Symmetricom TimeHub 5500 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeHub 5500
CategoryData Loggers
LanguageEnglish

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