CHAPTER 7 NDA-24299
Page 160
Revision 1.0
TROUBLESHOOTING
3-B PM C-level Infinite Loop (Permanent)
Figure 7-1 shows a sample system configuration. The number of cards and cables may vary depending on the
system.
Figure 7-1 Related Hardware
2. 3-B PM C-level Infinite Loop (Permanent)
This message is displayed when a C-level program abnormal state has been detected as permanent. When
the abnormal state is detected by the Port Microprocessor (PM) on an FCH card, the PM places the card
into make-busy status. If the failure occurs more than 15 times an hour, the system judges the failure as
permanent, issuing 3-B system message. Refer to Figure 7-2.
Figure 7-2 3-B PM C-level Infinite Loop (Permanent)
: 10 BASE-T cable
: Front Cable
0604 0503020100
0604 0503020100
CN CN
CN
CN
CN CN
BASEU
PIM 1
PIM 0
LPM
TOPU
BSCM
CN
CN CN
FCH DTI
HUB
FCH
DTI
13-H
"Signaling Link Failure"
1. 0001 0000 0000 0000
2. 0000 0000 0000 0000
MAT
FRONT VIEW
System Message
1. xx00 0000 0000 0000 2. 0000 0000 0000 0000.........
MG
U
G
FCH Mounting Location
FCH Mounting Location
MG: Module Group (0/1)
U: Unit (0-3)
G: Group (00-23)
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