3. If the sequence does not occur, do the following:
a. Remove the SDN board and re-initialize the
receiver mainframe. If the sequence occurs,
replace the SDN board.
b. Remove the Rack Interface board and re-
initialize the receiver mainframe.
If the sequence occurs, replace the Rack
If the sequence does not occur, replace the
Utility CPU board. The EEPROM must be the
appropriate telemetry EEPROM for the
product to work properly.
c. In none of the above procedures resolves the
problem, replace the Digital Backplane.
Receiver Mainframe/System Faults