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000E
0010
0011
0084
0085
0086
0087
0088
0089
008B
008C
UNILINK HOST ADAPTER
USER MANUAL
ERROR CODES AND DIAGNOSTICS
An uneven number of bytes was received from the secondary.
Lost Data Carrier Detect (DCD) from the TIWAY I interface port(s).
Lost Clear To Send (CTS) from the TIWAY I interface port(s).
The command processor found an unrecognized command code in the
command string. This also indicates that the command code is not valid
for the currently configured operating mode. If you receive this error
after issuing one of the Extended HIU or NM commands, you can
assume that the adapter was reset and needs to be reconfigured.
An invalid field was received with the command code. Check the
command syntax in Chapter 5.
The length of the command frame received from the host was too long
for the specified command code.
The length of the command frame received from the host was too short.
The minimum length for an NITP protocol frame is 11 bytes. The
minimum length for a BDLC protocol frame is 9 bytes.
The secondary device addressed in the command string is not connected
to the TIWAY I network. Recheck the address in the command string
and the addresses of the secondary devices. Then, issue a CONNECT
SECONDARY command or enable a macro that was previously defined
to connect that secondary.
The colon that begins an NITP message frame was missing. Correct the
frame and retransmit it.
The character count field value did not match the number of characters
received. This could be caused by an error in the software driver. In
either case, your applications software should retry the message at
least three times. If this same error returns all three times, check for an
error in your software driver.
The checksum calculated by the adapter did not match the
Error–Checking Code or the Block Checksum field value. Retry the
message at least three times. If this same error returns all three times,
check for an error in your software driver.
6–2
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