Error Codes
SM 21 D432/D433
D432/D433
Fax Option
Type
C2550/C2530
Code Meaning Suggested Cause/Action
0-80
The line was disconnected
due to a timeout in V.34
phase 2 – line probing.
0-81
The line was disconnected
due to a timeout in V.34
phase 3 – equalizer
training.
0-82
The line was disconnected
due to a timeout in the V.34
phase 4 – control channel
start-up.
0-83
The line was disconnected
due to a timeout in the V.34
control channel restart
sequence.
The guard timer expired while starting these
phases. Serious noise, narrow bandwidth, or
low signal level can cause these errors.
If these errors happen at the transmitting terminal:
Try making a call at a later time.
Try using V.17 or a slower modem using
dedicated tx parameters.
Try increasing the tx level.
Try adjusting the tx cable equalizer setting.
If these errors happen at the receiving terminal:
Try adjusting the rx cable equalizer setting.
Try increasing the tx level.
Try using V.17 or a slower modem if the same
error is frequent when receiving from multiple
senders.
0-84
The line was disconnected
due to abnormal signaling
in V.34 phase 4 – control
channel start-up.
The signal did not stop within 10 s.
Turn off the machine, then turn it back on.
If the same error is frequent, replace the FCU.
0-85
The line was disconnected
due to abnormal signaling
in V.34 control channel
restart.
The signal did not stop within 10 s.
Turn off the machine, then turn it back on.
If the same error is frequent, replace the FCU.
0-86
The line was disconnected
because the other terminal
requested a data rate
using MPh that was not
available in the currently
selected symbol rate.
The other terminal was incompatible.
Ask the other party to contact the
manufacturer.
0-87 The control channel started The receiving terminal restarted the control
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