User's Manual
32 MDS 1710A/C and MDS 2710A/C/D MDS 05-3447A01, Rev. F
Major Alarms vs. Minor Alarms
Major Alarms—report serious conditions that generally indicate a hard-
ware failure, or other abnormal condition that will prevent (or seriously
degrade) further operation of the transceiver. Major alarms generally
indicate the need for factory repair. Contact MDS for further assistance.
Minor Alarms—report conditions that, under most circumstances will
not prevent transceiver operation. This includes out-of-tolerance condi-
tions, baud rate mismatches, etc. The cause of these alarms should be
investigated and corrected to prevent eventual system failure.
Event Code Definitions
Table 8 contains a listing of all event codes that may be reported by the
transceiver.
Table 8. Event Codes
Event
Code
Event
Class Description
01 Major Improper software detected for this radio model.
02 Major The model number of the transceiver is unprogrammed.
04 Major One or both of the internal programmable synthesizer loops is
reporting an out-of-lock condition.
06 Major An unrecoverable fault was detected on the A-to-D chip. The
radio will not receive data.
07 Major One or more of the radio’s internal voltage regulators is
reporting a failure. The radio will not operate.
08 Major The system is reporting that it has not been calibrated. Factory
calibration is required for proper radio operation.
09 -- Not used.
10 Major The internal microcontroller was unable to properly program
the system to the appropriate EEPROM defaults. A hardware
problem may exist.
11 -- Not used.
12 Major Receiver time-out. No data received within the specified
receiver time-out time.
13 Major Transmitter time-out. The radio was keyed for a duration
exceeding the time-out timer setting. (This alarm clears the
next time the radio keys.)
14–15 -- Not used.
16 Minor Not used.
17 Minor A data parity fault has been detected on the DATA
INTERFACE connector. This usually indicates a parity setting
mismatch between the radio and the RTU.
18 Minor A data framing error has been detected on the DATA
INTERFACE connector. This may indicate a baud rate
mismatch between the radio and the RTU.
19–24 -- Not used.