Provisioning
150-357-200-02, Issue 2
38
February 9, 1999
HXU-357 List 1
U
NDERSTANDING
HXU-357 A
LARMS
See
for a description of HXU-357 alarms that are
recorded in the Fault Management alarm history logs.
Refer to the technical practice for the HMU-319 and to the Wideband 3190
Installation Guide for more information about other types of alarms in the
Wideband 3190.
Table 9.
DS1 Interface State Descriptions
Equipped Mode
Service Mode
DS1 State Description
Equipped
Out-of-Service
STANDBY MODE (no equipment installed at
the line location)
Change any DS1 parameter (DS1 line code,
DS1 line buildout)
Perform DS1 maintenance loopbacks (will
generate loopback alarm)
Alarm reporting enabled
AIS pattern enabled
Performance monitoring statistics available
Unequipped
(default)
Out-of-Service
(default)
MAINTENANCE MODE (normal
maintenance or line troubleshooting)
Change any DS1 parameter (DS1 line code,
DS1 line buildout)
Perform DS1 maintenance loopbacks (will
generate loopback alarm)
Alarm reporting disabled
No performance monitoring statistics
Equipped
In-Service
OPERATION MODE (normal state during
operation)
Alarm reporting enabled
AIS pattern enabled
Performance monitoring statistics available
No DS1 parameter (DS1 line code, DS1 line
buildout) changes allowed
No DS1 loopbacks are allowed, however,
inband loopbacks and release loopbacks
are permitted.