Ricoh D649 Field Service Manual page 33

Code Meaning
The signal from the other end
was interrupted for more than
0-22
the acceptable modem carrier
drop time (default: 200 ms)
Too many errors during
0-23
reception
The other terminal did not
0-30 reply to NSS(A) in AI short
protocol mode
The other terminal sent a DCS,
which contained functions that
0-32
the receiving machine cannot
handle.
The data reception (not ECM)
0-33 is not completed within 10
minutes.
Suggested Cause/Action
• Check the line connection.
• Replace the 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
• Check the line connection.
• Replace the 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
• 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
• Check the protocol dump list.
• Ask the other party to contact the manufacturer.
• Check the line connection.
• The other terminal may have a defective modem/
FCU.
Error Codes
31