User Manual

TX Pilot Time Offset Acceptance Test – continued
July 1999
4-17
SC 4812ET BTS Optimization/ATP – CDMA LMF
PRELIMINARY 2
Pilot Time Offset ATP
Follow the steps outlined in Table 4-7, to verify the Pilot Time Offset on
the specified TX antenna paths using BBXs equipped at the BTS.
Table 4-7: Pilot Time Offset Test ATP
 Step Action
1 Click on the BBX2(s) to be tested.
2 From the Tests menu, select Pilot Time Offest
3 Select the appropriate carrier(s) displayed in the Channels/Carrier pick list (use the Shift or Ctrl
keyboard key to select multiple items).
4 Type the appropriate channel number in the Carrier n Channels box. Click OK.
5 Follow the cable connection directions as they are displayed.
6 Click OK to close the status report window.
NOTE
The communications test set will measure and return the difference between the CDMA analyzer
measurement interval (based on the BTS system time reference) and the incoming block of
transmitted data from the BTS (Pilot only, Walsh code 0).
An ANSI–J–STD–019 compliant BTS typically measures 1–2 us.