Avaya S8700 - Page 175

Isolating and Repairing Packet-Bus Faults
Issue 1 May 2002
4-101555-233-143
Figure 4-46. Troubleshooting Packet-Bus Problems (Page 2 of 2)
Bold-face letters in the flowchart refer to paragraphs in the explanatory section
that follows.
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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