Canon iR1200 Series Service Manual page 385

##670 [TX] In V.8 late start, the V.8 ability was detected in DIS
from the other party and, in response, CI was
transmitted; however, the procedure failed to advance,
causing a T1 time-over condition
Cause: CI was transmitted, but the other party failed to receive it correctly
and disconnect the line.
Remedy: (1) Increase the transmission level so that the other party may
receive CI correctly.
(2) Prohibit the V.8/V.34 procedure.
Cause: ANSam or DIS from the other party cannot be received correctly.
Remedy: (1) Ask the operator of the other party to increase the transmission
level so that the signal may be received correctly.
(2) Prohibit the V.8/V.34 procedure.
##671 [RX] In V.8 call arrives, the procedure fails to advance to
phase 2 after CM detection, causing a T1 time-over
condition
Cause: In phase 1, the other party cannot receive the signal correctly and
disconnect the line.
Remedy: (1) Increase the transmission level so that the other party may
receive the signal correctly.
(2) Prohibit the V.8/V.34 procedure.
Cause: In phase 1, the signal from the other party cannot be received
correctly.
Remedy: (1) Ask the operator of the other party to increase the transmission
level so that the signal may be received correctly.
(2) Prohibit the V.8/V.34 procedure.
##672 [TX] In V.34 transmission, the procedure fails to move from
phase 2 to phase 3 and later, causing a T1 time-over
condition
Cause: In phase 2, the other party cannot receive the signal correctly, and
disconnect the line.
T-14-58
T-14-59
T-14-60
Chapter 14
14-29