User`s guide

Performing Loopback Modes and Pattern Tests
6-2
7800-A2-GB26-80
May 1999
Determining the Type of Problems
The following table highlights some of the more common problems you can
encounter when working with devices.
Table 6-1. Device Troubleshooting Table
Notification
Problem Go To . . .
OpenView submap displays a
device symbol in blue
(unknown).
Connection between
management system and
device has been lost.
Diagnosing Problems
with the Management
Link
on page 6-3
OpenView submap displays a
device symbol in red.
One of the device
interfaces is in an alarm
state.
Diagnosing Problems
with the Device or Line
on page 6-3
The OpenView Event
Categories display reports that a
trap has been received.
If the trap is linkDown,
indicating that one of the
interfaces is not functioning:
H The Device Display shows
the interface symbol in red,
and
H The OpenView submap
displays the device symbol in
red.
Device has sent a trap to
the DCE Manager.
Device manual for a
description of the alarm
The status fields of a health and
status dialog report an interface
as down.
H The Device Display shows
the interface symbol in red,
and
H The OpenView submap
displays the device symbol in
red.
Interface is not
operational.
Diagnosing Problems
with the Device or Line
on page 6-3
The Line Status field of the 3100
or 3300 status dialogs reports a
problem. Or, the DDS Status
field of the 9621 status dialog
reports a problem.
H The Device Display shows
the interface symbol in red,
and
H The OpenView submap
displays the device symbol in
red.
Interface has experienced
degradation of
performance.
Diagnosing Problems
with the Device or Line
on page 6-3
DCE Manager Test dialog
reports the test result No Sync
or In Sync with Bit
Errors.
Test run on an interface
has failed.
Diagnosing Problems
with the Device or Line
on page 6-3