Lucent Technologies Definity Systems Little Instruction Book For Basic Diagnostics

DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Alarms and errors 
25 Maintenance reports 
Alarms and errors
This section is for adventurous administrators who are curious 
about how to diagnose and fix common problems. The 
information here will help you understand how to read and 
interpret:
nerror logs
nalarm logs
Maintenance reports
Your DEFINITY system monitors many switch components. 
When a component fails or performs unacceptably, the subsystem...

Alarms and errors 
26 Maintenance reports 
DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Viewing error logs
It is a good idea to run and inspect error logs on a regular basis. 
You can view all active system errors on the error log. You can 
also specify a particular component of your system or a certain 
time period to be reported on the error log. 
To view the error log:
1. Type 
display errors and press RETU RN.
The Error Report screen appears.
Error...

DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Alarms and errors 
27 Maintenance reports 
Error report field descriptions
Field What to enter
Error Typeerror type
Error Listactive-alarms, errors, or cleared-errors
Intervalh(our), d(ay), w(eek), m(onth), a(ll)
From/Totime interval by date and time
Cabinetcabinet number (1 - 44)
Port Networkport network number (1 - 44)
Board Number5-character board number in UUCSS format: 
UU = cabinet (1-44), C = carrier...

Alarms and errors 
28 Maintenance reports 
DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Hardware Error Report
Use the print command to print the report. Make special note of 
the information in these fields:
nThe Port field contains information in several formats:
ncircuit pack address (UUCSS)
nport address (UUCSSss)
n2-digit signaling number
nadministered port network number
nMtce Name (the name of the Maintenance Object)
nAlt Name (the extension with...

DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Alarms and errors 
29 Maintenance reports 
Interpreting the error log
The Hardware Error Report above shows five error entries. The 
switch detected an unplugged digital phone. Here is how to 
interpret the report:
nPI-LINK is the MO monitoring the processor interface 
links to digital equipment, including adjuncts. You can see 
that over 2 days (May 2 to May 4) it incurred 255 type-257 
errors, 1 type-2049...

Alarms and errors 
30 Maintenance reports 
DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
3. Find the note associated with that error type for an 
explanation of the conditions that generated the error.
4. Perform the recommended procedure to clear the error.
The recommended procedure may require you to test 
alarmed components. Be sure to have test permissions 
enabled. 
If any tests fail or abort, you will get an error code for the 
test.
5. Look up the...

DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Alarms and errors 
31 Maintenance reports 
Alarm logs
Alarms are classified as major, minor, or warning, depending the 
degree of severity and the effect on the system.
Alarms are further classified as:
non-board problems originate within the circuitry of the 
alarmed circuit pack
noff-board problems originate in a process or component 
that is external to the circuit pack 
warning level and...

Alarms and errors 
32 Maintenance reports 
DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Reading the alarm log
Let’s look at an alarm log that results from an unplugged digital 
phone. 
To the view the alarm log:
1. Type 
display alarms and press RETU RN.
The Alarm Report screen appears.
Alarm Report screen
2. Indicate which alarms you want to view by entering y and 
EN TER after each alarm type.
Tip:
Unless you can restrict the trouble to a particular...

DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Alarms and errors 
33 Maintenance reports 
3. Press EN TER to view the alarm report.
4. The alarm report screen appears.
Alarm Report screen
Interpreting alarm logs
The Alarm Report lists the major alarms first, followed by the 
minor and warning alarms.
The alarm log in the example above shows:
na processor interface link (PI-LINK) at address 01AXX1 
has alarmed three times on May 2 with off-board 
(On Brd?...

Alarms and errors 
34 Understanding common error types 
DEFINITY System’s Little Instruction Book
for basic diagnostics  555-233-758  Issue 1
April 2000
Clearing alarm logs
To clear an alarm log:
1. Investigate or fix the first major alarm in the log.
2. See if other alarms are retired by fixing the most severe 
problem first.
Assigning alarm buttons
You can administer feature button lamps on any phone to act as 
alarm indicators, similar to the alarm lamp on the attendant 
console. The following table...