NEC Neax 2400 Ipx Fusion Network System Manual

CHAPTER 7 NDA-24299
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13-H/I/J Signaling Link Failure (Permanent)/(Temporary)/(Recovery)
6.1 Repair Procedure
13-H (Permanent)
STEP 1: Make sure that the front cable is securely inserted. See Figure 7-10.
Figure 7-10   FCH-DTI Connection
STEP 2: Initialize the indicated FCH (PA-FCHA) card using the MB key. (MB key: Down➔ Up ➔ Down)
See Figure 7-3. When the LED on the FCH card lights green and the related system messages are not
displayed anymore, monitor the system...

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23-S FCH Failure Notification (Detection)
STEP 4: Initialize the indicated FCH (PA-FCHA) card using the MB key. (MB key: Down → Up → Down)
See Figure 7-3. When the LED on the FCH card lights green and the related system messages are not
displayed any more, monitor the system for a while. Otherwise, move to STEP 5.
STEP 5: Replace the FCH card, following the procedure listed in Figure 7-4. If the failure exists after the card
replacement, move to...

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23-S FCH Failure Notification (Detection)
Figure 7-11   23-S FCH Failure Notification
1. xx0x  xxxx  xxxx  xxxx           2. xxxx  xxxx  xxxx  xxxx.........*  Connection Failure, see the next page.
MG
UG
FCH Mounting Location
FCH Mounting Location
MG: Module Group  
U: Unit (0-3) 
G: Group (00-23)FCH CKT No. b7    b6
Circuit Number of FCH (0 - 7) FLTINF: Fault Information
Note 1 FLTINF2: Fault Information2
Note 2
FLTINF
FLTINF2
FLTINF (Fault...

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23-S FCH Failure Notification (Detection)
Figure 7-11 23-S FCH Failure Notification (Continued)
1. xx0x xxxx xxxx xxxx 2. xxxx xxxx xxxx xxxx ......
FLTINF=03H is indicated;
 
 
     
     
  
  
  
 
       
       
       
       
      
       F a u lt D e ta il 
Identification   
2 Bytes 
Faulty Port N o. (Source)
4 Bytes 
IP Address of the destination FG H /Router 
on w hich connection failure occurs.
Connection O perating Type 
01=C lient...

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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 Figure 7-12.
If not, securely insert the cable and 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 suspected to be faulty. Check for each...

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2 3-S  F C H  Failu re Not ifi c at ion  (D ete ction)
F ig ure  7-1 3     H ow to Check 10 BASE-T Cables
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
S ta tic  S e n sitiv e
Handling
Precautions Required
2
MBOPE
10 BASE-T
: 10 BASE-T cable
Unplug and plug the  modular connector
MB MB
         H U B -H U B  C ab le  C o nn e ctio n  T...

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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
S tatic S e nsitive
Handling
Precautions Required
2
MB
A n ti-s ta tic K it
OPE
10 BASE-T
HUB
M B key operation
2
MBOPE
10 BASE-T HUB
MB
MB
: 10 BASE-T cable
W h e n  th is  M B  k e y is  se t in  u p  p o sitio...

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23-T FCH Fault Notification (Recovery)
8. 23-T  FCH Fault Notification (Recovery)
This message is displayed when the FCH (PA-FCHA) card which 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  xxxx  xxxx  xxxx           2. xxxx  xxxx  xxxx  0000.........
MG
UG
FCH Mounting Location
FCH Mounting Location
MG: Module Group  
U: Unit (0-3) 
G: Group...

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23-U FCH Status Information
Figure 7-15   23-T FCCH Fault Recovery Notification (Continued)
9. 23-U FCH Status Information
Figure 7-16 illustrates the general format of the message that 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 explained on a fault information basis. 
1. xx0x xxxx xxxx xxxx
2....

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23-U FCH Status Information
Figure 7-16   23-U FCCH Status Information
9.1 FLTINF = 00H Initial Setting Failure
Figure 7-17 illustrates the message that is displayed when the Ethernet Controller Initial Setting ends in failure.
Note 1:FLTINF (Fault Information) consists of the following:
OOH: Initial Setting Failure Notification
18H Spanning Tree Abnormal Answer Notification
1DH ETHER Transfer Failure Notification
1EH Spanning Tree Generation End...