276 Chapter 9
BERT
Measuring RF Loopback BERT with Option 300
Figure 9-7
5. Turn off the BCH signal. and set up the base station to send the TCH signal.
6. Set up the base station and start sending the TCH signal now. The TCH is only required to contain a
valid midamble.
7. On the ESG, press
Configure Measurement > Timeslot # > 2 > Enter.
This sets the ESG to expect the TCH in timeslot 2.
8. Press
Return > Synchronize to BCH/TCH/PDCH to begin synchronization to the TCH.
NOTE For the EDGE format, do the following to achieve TCH Sync Lock:
Press Configure Measurement > Timeslot # > 2 > Enter > Return > Adjust Gain.
Then you will see Synchronizing to TCH flashing on the display followed by the Synchronizing
to PN message.
Once synchronization is achieved, the Ready TCH Sync Lock message is displayed. Refer to Figure
9-8.
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