Black Box TX/CX 4000, Руководство пользователя, Страница: 138 / 150

138
TX/CX 4000
Table 8-1. Error Messages (continued).
Error Message Description Probable Cause
Two Byte Data This test verifies A failure could be
Checks Bad multi-byte data caused by a -5 volt
transmissions for supply problem, a
proper data. transmitter circuit
failure, a receiver
circuit failure, or an
ASIC failure.
Overflow Counter This tests the This indicates an
Bad protection circuit ASIC failure.
in the ASIC designed
to prevent a host
failure from over-
filling the interface
buffer and causing
an error in operation.
Bad Data— A byte of data was This indicates a
Expecting XX sent, and the receiver problem with the
Received YY circuitry interrupted twinaxial circuitry
the microprocessor. data paths.
However, when the
data was checked it
was not the same as
when it was sent.