Self-test results. Self-test (or power-up test) results
summarizes the test results of each CCA, where each CCA test
result is separated by a semi-colon. Refer to device-specific
user documentation for a complete description of the self test
codes and messages.
This trap signifies that the sending protocol's
device has failed self test.
The variable binding for this trap would be the selfTest
devSelfTestResults object of the Health and Status MIB. The
exact format of this display string will be well-documented
in the Operational Specifications of the device.