DW4020 status information via the serial port
Verifying correct DW4020 operation
The DW4020 has no serviceable parts. However, you may be able to debug units with help from the network operations center (NOC). You access the menus below via the serial port, just as when you set up the DW4020.
You can verify that the DW4020 unit is receiving and processing data by following the steps given below.
1.Enter A at the Main Menu to access Satellite Interface Statistics.
2.At the Satellite Interface Stats submenu enter A to select Display Main Statistics. In the display that appears (see Figure 85), check if frames are being accepted.
Signal Quality Factor: | <83> |
|
Frames Received: | <181> |
|
<0> |
| |
Addresses Open: | <2> |
|
Receive Status: | <The receiver is operational. | (RxCode 5)> |
Transmit Status: | <The transmitter is available. | (TxCode 8) |
| Figure 85: Display Main Statistics |
|
The Frames Received and
Note the Signal Quality Factor is also reported; if the SQF is below 31, the antenna must be repointed.
The Receive Status and Transmit Status fields report whether the receive and transmit modems are operational. If they are not operational or available, antenna pointing is not possible.
The Rx and Tx codes have the same meanings as explained in the
LED flashing code tables above.
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Appendix C • Installing the DW4020 Manually
