14 June, 2002
ERROR CODES
4-25
Trouble-
shooting
Code Meaning
Suggested
Cause/Action
0-29
Data block format failure in
ECM reception
Check for line noise or other line problems.
Check the FCU - NCU connectors.
Replace the NCU or FCU.
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
0-32
Incompatible capability
command was received.
The machine at the other end could not detect
DIS/NSF signal correctly.
0-33
DCR timer runs out without
receiving certain amount of
data.
Check the connections between the FCU, NCU, &
line.
Check for line noise or other line problems.
Replace the NCU or FCU.
The remote machine may be defective or may have
disconnected.
0-52
Polarity changed during
communication
Check the line connection.
Retry communication.
0-54
SG3 board did not respond
to disconnect command.
0-55
SG3 board did not respond
to initializing command.
0-56
SG3 board command error
Check the connections between the FCU and
optional SG3 board
Replace the SG3 board or FCU
0-70
Communication mode
specified in CM/JM was not
available.
V.8 sequence: Tx/Rx
The other terminal did not have a compatible
communication mode.
A polling Tx file was not ready at the other terminal
when polling reception was initiated from the Tx
terminal.
0-74
Fallback to T.30 protocol,
after transmitting CI
because ANSam was not
detected
V.8 sequence: Tx
0-75
Fallback to T.30 protocol,
because CM was not
detected.
(ANSam timeout)
V.8 sequence: Rx
The Tx terminal could not detect ANSam due to
noise, poor line condition, etc.
Check for line noise, or line connection.
0-76
Fallback to T.30 protocol
because JM was not
detected.
(CM timeout)
V.8 sequence: Tx
The Tx terminal could not detect JM due to noise,
poor line condition, etc.
Check for line noise, or line connection.
0-77
Fallback to T.30 protocol
because CJ was not
detected.
(JM timeout)
V.8 sequence: Rx
The Tx terminal could not detect CJ due to noise,
poor line condition, etc.
Check for line noise, or line connection.