Canon Super G3 Fax Board-AF1, Service Manual

Page: 53 / 74

Chapter 5
5-11
5.4.6 <010: line connection identification length>
0025-3141
Use it to set the time for identifying the line connection.
Raise this parameter if errors occur frequently at time of communication because of the condition of the line.
5.4.7 <011: T.30 T1 timer (for reception)>
0025-3142
Set the T1 timer at the time of reception (the waiting time till receiving the significant signal after the DIS transmission).
5.4.8 <013: T.30 EOL timer>
0025-3143
Set it so that the 1-line transmission time is longer for reception to prevent reception errors caused by a long data length per line (e.g., computer FAX).
5.4.9 <027: V.21 low-speed flag preamble identification length>
0025-3150
Use it to detect the time of detection after which command analysis is started after detecting V.21 low-speed command preambles continuously for a specific period
of time.
MEMO: Any of the following error codes may be indicated because of the condition of the line
##005, ##018
The line condition identification time is between when the dial signal is transmitted and when the line condition is cut for the transmitting party, while it is between
when the DIS signal is transmitted and when the line is cut for the receiving party.