Fujitsu MAA3182FC Series, Manual

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C141-E054-02EN 1 - 73
1.10 Errors on Loop (Refer to FP-PH , Section 29.9)
This section describes errors which may occur on the loop and actions to be taken for them.
Table 1.16, Detail errors and action lists types of errors and actions for them by number. For
details of the actions to be taken for errors, refer to Table 1.17, Actions by recipient.
Table 1.16 Detail errors and action
Error Category Specific Error Seq Recp Action
1) Loop Failure a) Loss of signal
b) Loss of Sync > timeout period 12
12
2) Loop Errors c) Loss of Sync 11
3) Sequence timeout a) timeout during Sequence
b) timeout at end of Sequence 9
9
4) Delimiter Errors a) Class not support
b) Delimiter usage error (SOFc1 while
connected)
c) Abnormal frame termination
d) EOFa received
e) Incorrect SOF or EOF
2
2
1
1
1
5) Address ID Errors a) incorrect D_ID
b) incorrect S_ID 2
2
6) Frame_control Errors a) CRC
d) TYPE not support
e) Invalid Link Control
f) Invalid R_CTL
g) Invalid F_CTL
h) Invalid OX_ID
i) Invalid RX_ID
j) Invalid SEQ_ID
k) Invalid SEQ_CNT
l) Invalid DF_CTL
m) Exchange Error
n) Protocol Error
o) Incorrect length
p) Unexpected Link_Continue
q) Unexpected Link_Response
r) Login Required
s) Excessive Sequences attempted
t) Unable to Establish Exchange
u) RO out of bounds 1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
7) Data Frame Errors c) Buffer not available – Class 3
e) missing frame error detected 1
13
Note:
The contents of Seq. Recp. Action for each error item are described for each item number
in Table 1.17, Action by recipient.