User's Manual

CHAPTER 7 ND-70185 (E)
Page 162
Revision 3.0
TROUBLESHOOTING
23-U FCH Status Information
9.2 FLTINF = 18H Spanning Tree Abnormal Answer
This message is displayed when Spanning Tree Abnormal Answer is detected. The detailed information is indi-
cated in the following format.
Figure 7-18 23-U FCCH Status Notification - Spanning Tree Abnormal Answer
MG
U
G
FCH Mounting Location
FCH CKT No.
TRC
RS
00
MG: Module Group
U: Unit (0-3)
G: Group (0-23)
TRC: Trace Confirmation Bit
(0/1 = Status Notification / Primitive Trace)
RS: Receive / Send Primitive Trace (not effective)
FCH CKT No. = Circuit No. of FCH
18
FLTINF: 18H = Spanning Tree Abnormal
Answer Notification
b7 b0
b7 b0
b7 b0
b7 b0
b7 b0
:
:
:
:
32 Bytes
"Spanning Tree Abnormal Answer"
b7 b0
-123
45
67
89101112131415
1617181920212223
255 254 253 252 251 250 249 248
247 246 245 244 243 242 241 240
239 238 237 236 235 234 233 232
........
........
* Each bit represents abnormal FPC (Fusion Point Code). When "1" is set,
the FPC has not been assigned. (Use the AFPC command.)
Abnormal FPC Information
1. xx 0x 18 xx xx xx xx xx 2. xx xx xx xx xx xx xx xx 3. xx xx xx xx xx xx xx xx
4. xx xx xx xx xx xx xx xx 5. xx xx xx 00 0000 0000 6. 00 00 00 00 00 00 00 00