NEC Neax 2400 Imx Fusion Network System Manual

CHAPTER 7 ND-70185 (E)
Page 156
Revision 3.0
TROUBLESHOOTING
23-S FCH Failure Notification (Detection)
7.1 Repair Procedure
STEP 1: Make sure that the related Ethernet cables are securely inserted into the connectors. (See the example
shown below.) If not, securely insert the cable. In this instance, confirm whether System Message 23-
T FCH Fault Recovery Notification is displayed as the result of cable insertion. If no fault is found
in this step, move to STEP 2.
STEP 2: The following equipment is...

ND-70185 (E) CHAPTER 7Page 157
Revision 3.0
TROUBLESHOOTING
23-S FCH Failure Notification (Detection)
Figure 7-13   How to Check 10 BASE-T Cables
WARNING:
When a HUB card is placed in make-busy, all BASE-T interfaces connected to the 
HUB card become inoperative.
ATTENTIONContents 
Static Sensitive
Handling
Precautions  Required
2
MBOPE
10 BASE-T
: 10 BASE-T cable
Unplug and plug the  modular connector
MB MB
         HUB-HUB Cable Connection Test


 
1) Turn ON the MNT switch of the FCH cards which are...

CHAPTER 7 ND-70185 (E) 
Page 158
Revision 3.0
TROUBLESHOOTING 
23-S FCH Failure Notification (Detection)Figure 7-14   How to Replace HUB (PA-M96) Card
W ARNING:  
When a H UB ca rd  is pl aced in make-bu sy, a ll BASE-T i nte rfaces conn ected  to  t he
HUB card become inoperative.
ATTENTIONContents 
Static Sensitive
Handling
Precautions  Required
2
MB
Anti-static Kit
OPE
10 BASE-T
HUB
MB key operation
2
MBOPE
10 BASE-T HUB
MB
MB
: 10 BASE-T cable
When this MB key is set in up position 
(Make-busy), all...

ND-70185 (E) CHAPTER 7
Page 159
Revision 3.0
TROUBLESHOOTING
23-T FCH Fault Notification (Recovery)
8. 23-T FCH Fault Notification (Recovery)
This message is displayed when the FCH (PA-FCHA) card that was detected as faulty is recovered. The message
is displayed in the following format.
Figure 7-15   23-T FCCH Fault Recovery Notification
1. xx0x  xx00  0000  0000           2. 0000  0000  0000  0000.........
MG
UG
FCH Mounting Location
FCH Mounting Location
MG: Module Group 
U: Unit (0-3)
G: Group...

CHAPTER 7 ND-70185 (E)
Page 160
Revision 3.0
TROUBLESHOOTING
23-U FCH Status Information
9. 23-U FCH Status Information
This message is displayed when the status change of FCH (PA-FCHA) card is detected, which includes “FCH
Initial Setting Failure,” “ETHER Transfer Failure.” When this message is displayed, follow the procedure ex-
plained on a fault information basis. The figure below shows the general format of this message.
Figure 7-16   23-U FCCH Status Information
1. xx0x  xxxx  xxxx  xxxx...

ND-70185 (E) CHAPTER 7
Page 161
Revision 3.0
TROUBLESHOOTING
23-U FCH Status Information
9.1 FLTINF = 00H Initial Setting Failure
This message is displayed when the Ethernet Controller Initial Setting ends in failure. The detailed information
is indicated in the following format.
Figure 7-17   23-U FCCH Status Notification - Initial Setting Failure
ETHER Results
00H: Normal
01H: ETHER Controller Reset Impossible 03H: ETHER Controller Initial NG
02H: Configuration Error 04H: ETHER Controller Initial NG
1....

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
UG
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 /...

ND-70185 (E) CHAPTER 7
Page 163
Revision 3.0
TROUBLESHOOTING
23-U FCH Status Information
9.2.1 Repair Procedure
A Fusion Point Code (FPC) is assigned using the AFPC command. If any FPC data has not been assigned
properly, this message is displayed. Make sure that the indicated FPC data is properly assigned. See the
sample below.
Figure 7-19   Spanning Tree Abnormal Answer
12



self-Node
Node B Node C
Node D
Node E
Node F
MAT Assign all nodes FPCs including nodes which are not directly connected.
Node...

CHAPTER 7 ND-70185 (E)
Page 164
Revision 3.0
TROUBLESHOOTING
23-U FCH Status Information
9.3 FLTINF = 1DH ETHER Transfer Failure
This message is displayed when an FCH card discards an abnormal Ethernet packet (i.e. abnormal IP address
destination) that was received from other node on the network.
Figure 7-20   23-U ETHER Transfer Failure
1. xx 0x  1D 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...

ND-70185 (E) CHAPTER 7
Page 165
Revision 3.0
TROUBLESHOOTING
23-U FCH Status Information
9.4 FLTINF = 1EH Spanning Tree Generation End
This message is displayed when Spanning Tree Generation is complete. The detailed information is indicated
in the following format.
Figure 7-21   23-U FCCH Status Notification - Spanning Tree Generation End
1. xx 0x  1E 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...