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Performance Tests
ETSI/ANSI Internal Transmitter Clock Rates (Option UKZ)
7. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 44734904.0 Hz and
44735306.6 Hz.
E1 (2.048Mb/s) Frequency Accuracy
1. Set the transmitter to Signal [E1 2Mb/s].
2. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 2047985.6 Hz and
2048014.4Hz.
3. Set the FREQUENCY OFFSET to [USER OFFSET] [+50PPM].
4. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 2048088 Hz and
2048116.8 Hz.
5. Set the FREQUENCY OFFSET to [USER OFFSET] [-50PPM].
6. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 2047883.2 Hz and
2047912.0 Hz.
E3 (34.368Mb/s) Frequency Accuracy
1. Set the transmitter to Signal [E3 34Mb/s].
2. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 34367759.4 Hz and
34368240.6 Hz.
3. Set the FREQUENCY OFFSET to [USER OFFSET] [+20PPM].
4. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 34368446.8 Hz and
34368928 Hz.
5. Set the FREQUENCY OFFSET to [USER OFFSET] [-20PPM].
6. Adjust the Frequency Counter ATTEN and Trigger Level to obtain a stable
reading and ensure that the frequency counter reading is between 34367072.0 Hz and
34367553.2 Hz.
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