Isolating and Repairing Packet-Bus Faults
Issue 1 May 2002
4-101
555-233-143
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
fcdfpbp2 RPY 101397
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...