21 May, 1999
ERROR CODES
7-29
Trouble-
shooting
Code
Meaning
Suggested Cause/Action
0-30
The other terminal did not
reply to NSS(A) in AI short
protocol mode
Check the line connection.
Check the FCU - NCU connectors.
Try adjusting the TX level and/or cable equalizer
settings.
The other terminal may not be compatible.
Cross-reference
Dedicated TX parameters - Section 4-4
0-52
Polarity changed during
communication
Check the line connection.
Retry the communication.
0-70
Communication mode
specified CM/JM and it
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.)
A polling TX file was not ready at the other
terminal when the calling terminal initiated
polling RX.
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 receiving a call from another V.8/V.34 fax.
0-75
Calling terminal fell back to
T.30 mode, because it
could not detect CM in
response to ANSam.
(ANSam time out)
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
JM in response to CM.
(CM time out)
The called terminal could not detect JM due to
noise, etc.
Check the line connection and condition.
Try making a call to another V.8/V.34 fax.
0-77
The calling terminal fell
back to T.30 mode,
because it could not detect
CJ in response to JM. (JM
time out)
The calling terminal could not detect 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
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.
