SFC6400A/SFC1450A Synthesized Frequency Upconverter Maintenance and Troubleshooting
TM106 – Rev. 1.1 6-1
Section 6 - Maintenance and Troubleshooting
6.0 Periodic Maintenance
Radyne ComStream Corporation SFC Upconverters are designed to provide many thousands of
hours of continuous operation. Normal aging and drifting of electronic components can cause the
accuracy of the converter to change over time. As with any converter, these changes will affect the
frequency accuracy and frequency conversion amplitude accuracy over time.
6.1 Failure Analysis
Faults in the converter are limited in scope to either a LO Fault or a Signal Fault. Other faults, such
as a failure of the micro controller, may or may not provide an indication.
6.2 DCE/DTE Operation (DIP Switch S3)
Although the Terminal Port comes configured as a DCE, it can be changed to a DTE by changing
the settings of DIP Switch S3 on the M&C PCB Assembly. Refer to Figure 5-2 for DIP Switch
settings.
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