2WA/2NJ/2RK
7-511
U01028/E01028
U01052/E01052
U01080/E01080
Step Check description Assumed cause Measures Reference
1 Resending T5 timeout is detected
when sending in ECM
(ECM)
Resend.
2 Checking the transmit start
speed
Line condition is poor.
(Destination unit)
Execute U630 [TX Speed] to
reduce the transmit start
speed. Then, resend the
data.
U630 Exe-
cution
3 Changing the initial value Line condition is poor.
(Own machine)
Change the default value of
the transmit start speed by
executing U630 [TX Speed].
U630 Exe-
cution
Step Check description Assumed cause Measures Reference
1 Resending DCN signal is received
after sending RR signal
(ECM)
Resend.
2 Checking the transmit start
speed
Line condition is poor.
(Destination unit)
Execute U630 [TX Speed] to
reduce the transmit start
speed. Then, resend the
data.
U630 Exe-
cution
3 Changing the initial value Line condition is poor.
(Own machine)
Change the default value of
the transmit start speed by
executing U630 [TX Speed].
U630 Exe-
cution
Step Check description Assumed cause Measures Reference
1 Resending PIP signal is received after
sending PPS and NULL
signals.
Resend.
2 Checking the transmit start
speed
Line condition is poor.
(Destination unit)
Execute U630 [TX Speed] to
reduce the transmit start
speed. Then, resend the
data.
U630 Exe-
cution
3 Changing the initial value Line condition is poor.
(Own machine)
Change the default value of
the transmit start speed by
executing U630 [TX Speed].
U630 Exe-
cution
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