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Performance Tests
ETSI/ANSI Internal Transmitter Clock Rates (Option UKZ)
DS1 Frequency Accuracy
1. Set the transmitter to Signal [DS1 1.5Mb/s].
2. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 1543993 Hz and
1544007 Hz.
3. Set the FREQUENCY OFFSET to [+32PPM].
4. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 1544042.4 Hz and
1544056.4 Hz.
5. Set the FREQUENCY OFFSET to [-32PPM].
6. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 1543943.6 Hz and
1543957.6 Hz.