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 flowch art refer to paragraphs in the e xplanatory section

that follows.

Flowchart Notes

The following paragraphs refer b y letter to corresponding entries in the

preceding flo wchart. 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
Isa
TN771present
inthis port
network?
J
Doesthe
TN771indicate
packetbus
faults?
K
Isthe
problemisol ated
toa single
board?
H
Arethere
alarmsor erro rs
against
M/T-PKT?
Arethe
packetbus
problems
resolved?
Arethe
packetbus
problems
resolved?
Arethe
packetbus
problems
resolved?
M
Followthe pac ket
busfault i solation and
correctionproc edures
L
Followthe board,
portand/or end point
repairprocedu res
Followthe repair
procedurefor
M/T-PKT
I
Placethe TN771
instandalon e mode
Escalate
the
problem
A
END
END
END
fcdfpbp2RPY 101397