Black Box Switch PQ-8S Manual do Utilizador descarregar pdf (Página 124)

125

PQ-8P, PQ-8S

Table 7-1 (continued). Error Messages.

Error Message Description Probable Cause

Input Not Indicating This is an ASIC This indicates an ASIC failure.

Busy internal test during a

transmission.

Two Byte Data This test verifies A failure could be caused by

Checks Bad multi-byte data a -5 volt supply problem, a

transmissions for transmitter circuit failure,

proper data. a receiver circuit failure, or an

ASIC failure.

Overflow Counter This tests the This indicates an ASIC

Bad protection circuit in failure.

the ASIC designed to

prevent a host failure

from over-filling the

PQ-8 buffer and

causing an error

in operation.

Bad Data A byte of data was This indicates a problem with

Expecting XX sent and the receiver the twinaxial-circuitry data

Received YY circuity interrupted paths.

the microprocessor.

However, when the

data was checked, it

was not the same as

when it was sent.

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