ADC Release 3.1 User Manual page 478

1152700 Issue 1 February 2001 Section 2 Operations and Maintenance
ALARM SEVERITY
MESSAGE
Primary Major
Derived
DS1 Source
Failed
Protection Minor
Switch Bytes
Failure
ProtectionSwi
tchBytesFailu
re
Protection Minor –
Switch currently an
Failure information
al alert.
ProtSwitchF
ailed
Protection Information
Switch al
Successful
ProtSwitchS
uccessful
Protocol Information
Error al Alert
Threshold
Crossing
Alert
ProtocolErro
rTca
Remote Major
Failure
Indication
RFI
Page 2-434
© 2000, ADC Telecommunications, Inc.
Table 4-1. Alarm Identifications, continued
IMPACT DESCRIPTION
Not Service The reference source for
Affecting the primary clock has
failed.
Installation Inconsistent APS byte or
Error invalid code.
Installation User initiated or automatic
Error protection switch failed.
Not Service Protection switch
Affecting completed successfully.
Service Protocol error threshold has
Degradation been crossed.
Service Far end has detected AIS at
affecting the DSX level.
TAP-100
Page 15 of 23
SUGGESTED COURSE OF ACTION
Check source (external, optical
in, or other AIC card) for
alarms and correct as
necessary.
Automatic Protection Switch
(APS) byte is inconsistent with
the expected code. Check
facility interconnections and
verify switching modes match
at each end (i.e., 1:1, 1+1,
1:N).
Check protection group for
previously failed/switched
working card, lockout of
protect, or failed protect card.
PEIM must be installed at the
rear of the shelf at the
protection slot for 1:N
protection groups.
User initiated or automatic
protection switch was
completed. No action
necessary.
Caused by the following: 1)
Out of range VPI/VCI, (2)
Invalid PTI values (6 and 7),
and 3) Unassigned VPI/VCI
values. Check the connection
VPI/VCI to make sure the
provisioning is correct for the
expected traffic stream..
RFI is a near end notification
of a remote failure. For
example, a LOS occurs at the
near end, a RFI line and path is
sent in the reverse direction to
the remote node. An RFI line
is sent if the network element
is a line terminating element
while a RFI path is sent if the
netork element is a path
terminating element.
(continued)