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DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Alarms, Errors, and Troubleshooting
5-98Packet Bus Fault Isolation and Repair
5
Figure 5-46. Troubleshooting Packet Bus Problems (Page 2 of 2)
Boldface letters in the flowchart refer to paragraphs in the explanatory section
that follows.
Flowchart Notes
The following paragraphs refer by letter to corresponding entries in the
preceding flowchart. Individual errors and alarms are not detailed in the
flowchart. When referring to explanations of these in Chapter 9, ‘‘Maintenance
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
From
page
1
NO
NO
NO
G
Is a
TN771 present
in this port
network?
J
Does the
TN771 indicate
packet bus
faults?
K
Is the
problem isolated
to a single
board?
H
Are there
alarms or errors
against
M/T-PKT?
Are the
packet bus
problems
resolved?
Are the
packet bus
problems
resolved?
Are the
packet bus
problems
resolved?
M
Follow the packet
bus fault isolation and
correction procedures
L
Follow the board,
port and/or endpoint
repair procedures
Follow the repair
procedure for
M/T-PKT
I
Place the TN771
in standalone mode
Escalate
the
problem
A
END
END
END
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