ERROR CODES
B620 10 SM
Code Meaning Suggested Cause/Action
0-32
The other terminal sent a
DCS, which contained
functions that the receiving
machine cannot handle.
• Check the protocol dump list.
• Ask the other party to contact the manufacturer.
0-52
Polarity changed during
communication
• Check the line connection.
Retry communication.
0-70
The communication mode
specified in CM/JM was not
available
(V.8 calling and called
terminal)
• The other terminal did not have a compatible
communication mode (e.g., the other terminal
was a V.34 data modem and not a fax modem.)
• A polling tx file was not ready at the other
terminal when polling rx was initiated from the
calling terminal.
0-74
The calling terminal fell back
to T.30 mode, because it
could not detect ANSam
after sending CI.
• The calling terminal could not detect ANSam due
to noise, etc.
• ANSam was too short to detect.
• Check the line connection and condition.
• Try making a call to another V.8/V.34 fax.
0-75
The called terminal fell back
to T.30 mode, because it
could not detect a CM in
response to ANSam
(ANSam timeout).
• The terminal could not detect ANSam.
• Check the line connection and condition.
• Try receiving a call from another V.8/V.34 fax.
0-76
The calling terminal fell back
to T.30 mode, because it
could not detect a JM in
response to a CM
(CM timeout).
• The called terminal could not detect a CM due to
noise, etc.
• Check the line connection and condition.
• Try making a call to another V.8/V.34 fax.
0-77
The called terminal fell back
to T.30 mode, because it
could not detect a CJ in
response to JM
(JM timeout).
• The calling terminal could not detect a JM due to
noise, etc.
• A network that has narrow bandwidth cannot
pass JM to the other end.
• Check the line connection and condition.
• Try receiving a call from another V.8/V.34 fax.
0-79
The called terminal detected
CI while waiting for a V.21
signal.
Check for line noise or other line problems.
If this error occurs, the called terminal falls back to
T.30 mode.
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.
• 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.
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