Black Box TX/CX 4000, Manual, Page: 137 / 150

137
TX/CX 4000
Table 8-1. Error Messages (continued).
Error Message Description Probable Cause
Output Data The transmitter timing This indicates an
Available Bit Bad is not staying busy for ASIC failure.
the proper period.
Input Data Available The bit signaling that A properly terminated
Bit Bad data was received was cable is not attached, a
not set as expected. driver-circuitry failure, a
receiver-circuit failure, or
an ASIC failure.
No Interrupt on Bad This test sends a This indicates an ASIC
Parity or Wrong transmission with the failure.
Interrupt on Bad parity purposely
Parity invalid to test the
proper reaction. Either
no interrupt or the
wrong interrupt was
received in this test.
Interrupt Without During a poll test, the This indicates an
NMI on Poll to transmission was ASIC failure.
Address X received as data, not as
a poll.
Input Not Indicating This is an ASIC This indicates an
Busy internal test during a ASIC failure.
transmission.