9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. II-6-9
Figure 6-1. ODU 300ep output power attenuation range
Power Monitoring
The ODU 300 series incorporates a detector for Tx power measurement. It is
used to provide measurement of forward power as a performance parameter, and
to provide a calibration input for transmitter operation over temperature and
output range.
Viewed Tx power ranges always match the capabilities of the ODU for a given
modulation. When modulation is changed, 9500 MXC CT automatically adjusts/
restricts Tx Power to be within valid range.
Diagnostics
Diagnostic capabilities include:
• System Summary
• Event Browser
• History
•Alarms
• Performance
• System/Controls
• Circuit Loopbacks
0 dB
-10 dB
-20 dB
-30 dB
Output power
attenuation range
30 dB for QPSK
25 dB for QAM
-25 dB
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