Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual page 235

MTS 2 and MTS 4 Installation, Configuration and Basic Service Manual
Receiver Verification Procedure
This procedure provides commands and responses to verify proper operation of the Base Radio receive path.
The Bit Error Rate (BER) measurement meets specifications at less than 0.01% (1.0e-02%) to pass the process.
Procedure 6-9 How to Verify the Receiver
Switch on the power of the Base Radio.
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Enter the Test Application mode and login.
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At the prompt, type: freq -orxch1. This command displays the receive frequency for the current
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Base Radio. Record the result.
Use following commands to change TX and RX frequency if necessary. If you read the frequency
4
you want to use in the previous step, skip this step:
Type sge -orx_all -son and press Enter to enable system gain alignment.
5
At the prompt, type: ptm -orx_all -mTCH_72 -s15 -tMulti_Frame_Trigger
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–d-6.
For Stabilock 4031/4032 use single slot only and delay 0:
ptm -orx_all -mTCH_72 -s8 –tFrame_Trigger –d0
At the prompt, type: enable -orxch1 -dbr1 -son. This command enables the receiver branch
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under test and should enable br1, br2, or br3 respectively depending on the branches that you
are testing.
Set the signal generator to generate a T1 signal and inject to the relevant antenna port.
8
6802800U74-N September 2009
Contact your local Motorola representative or Technical Support to obtain password.
To set the receive frequency, use the command freq -orx_all -fXXX.XXXX.
For example, to set the receive frequency to 401.0125MHz, type freq -orx_all
-f401.0125.
• freq -otx_all -f394.0125
• freq -orx_all -f384.0125
It may be necessary to adjust the trigger delay set by the -d option.
Receiver Verification Procedure
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