User's Manual

68P80801E35-B 5/1/2002 23
EBTS System Manual - Vol 2 Troubleshooting
Generation 2 Single Channel BR Station Verification Procedures
6. Connect an additional test cable (Cable D in Figure 7 on page -60) from the
summed port of the 3-way splitter to the RF IN/OUT connector on the
R2660 Communications Analyzer.
7. Remove power from the R2660 and connect the Rubidium Frequency
Standard 10MHZ OUTPUT to a 10 dB attenuator.
8. Connect the other end of the 10 dB attenuator to the 10MHZ REFERENCE
OSCILLATOR IN/OUT connector on the R2660.
NOTE
Refer to the equipment manual provided with the
R2660 for further information regarding mode
configuration of the unit (Motorola Part
No. 68P80386B72).
9. Set the R2660 to the EXT REF mode
.
10. Apply power to the R2660.
Receiver Verification Procedure: Generation 2 Base Radio
This procedure provides commands and responses to verify proper operation of
the Base Radio receiver paths. Perform the procedure on the receiver in each Base
Radio in the EBTS.
1. Power on the BR using the front switch on the Power Supply Module. Press
the reset button on the front of the BRC module. Using the terminal program
on the service computer, log onto the BR. Bold type indicates user input
commands.
2. Set the Frequency to of the R2660 to 810MHz. Power out should be set to
–80 dBm.
> login -ufield
> password: motorola
field >