Code Meaning Suggested Cause/Action
0-22
The signal from the other end
was interrupted for more than
the acceptable modem carrier
drop time (default: 200 ms)
• Check the line connection.
•
Replace the NCU or FCU.
• Defective remote terminal.
• Check for line noise or other line problems.
• Try adjusting the acceptable modem carrier drop
time.
Cross reference
Acceptable modem carrier drop time - G3 Switch 0A, bits
0 and 1
0-23
Too many errors during
reception
• Check the line connection.
•
Replace the NCU or FCU.
• Defective remote terminal.
• Check for line noise or other line problems.
• Try asking the other end to adjust their tx level.
• Try adjusting the rx cable equalizer setting and/or rx
error criteria.
Cross reference
Rx cable equalizer - G3 Switch 07 (PSTN)
Rx error criteria - Communication Switch 02, bits 0 and 1
0-30
The other terminal did not
reply to NSS(A) in AI short
protocol mode
• Check the line connection.
• Try adjusting the tx level and/or cable equalizer
settings.
• The other terminal may not be compatible.
Cross reference
Dedicated tx parameters - Section 4
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.
0-33
The data reception (not ECM)
is not completed within 10
minutes.
• Check the line connection.
•
The other terminal may have a defective
modem/NCU/FCU.
Fax Error Codes
163
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