Packet Bus Fault Isolation and Correction
555-233-123
9-20 Issue 4 May 2002
The Packet Bus Fault Isolation Flowchart appears on the following two pages.
NOTE:
See the ‘‘Flowchart Description and Supplement’’ section following the
flowchart for a description of the flowchart as well as for supplementary
information, the availability of which is indicated by the uppercase letters
that appear in the flowchart.
Figure 9-5. Packet Bus Flowchart (Page 1 of 2)
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
To
page
2
NO
NO
NO
NO
A
Are there
alarms or errors
TDM-CLK?
C
Is only
asinglePN
affected?
D
Are there
alarms or errors
against
PKT-INTF?
F
Are there
alarms or errors
against
EXP-INTF?
B
Are the
packet bus
problems
resolved?
Are the
packet bus
problems
resolved?
Are the
packet bus
problems
resolved?
Is packet
bus use
enabled?
Refer to
"maintenance related
system parameters
form" in chapter 5
Follow the repair
procedure for
TDM-CLK
Follow the repair
procedure for
PKT-INTF
Follow the repair
procedure for
EXP-INTF
E
Check each
port network
(PPN first)
A
START
END
END
END
fcdfpbp1 RPY 101397
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