inc. (from DSX) DS1 LOS
....................................................................................................................................................................................................................................
inc. (from DSX) DS1 LOS
At least 128 consecutive zeros are received in the DS1 signal
incoming from the DSX-1, or the energy at the DS1 input is below a
preset threshold.
Alarm Data
Value/Meaning
Reported Alarm
Level(s)
Major (MJ), Minor (MN), Not Alarmed
Not Alarmed is the default level.
AID (type)
DS1 Port
Date
month/day/year that condition was detected
Time
hour:minute:second that condition was detected
Probable Cause
LOS
Effect on
Service
MJ, MN = SA or NSA
Not Alarmed = Standing Condition (SC)
Alarm Entity
Type
T1
Description
inc. (from DSX) DS1 LOS
Likely Cause
Hard failure of interfacing customer equipment or
facility (from DSX-1). The DS1 input is
disconnected at the access panel or the DSX-1;
equipment is failed or removed at DSX-1.
Visible
indication
Lighted
CR/MJ
or
MN/ABN
LED on SYSCTL
faceplate and a flashing
FAULT
LED on the
alarmed circuit pack.
Action
Proceed to
Alarms, conditions, and error messages
....................................................................................................................................................................................................................................
3 - 4 0
Lucent Technologies
365-372-333 R2.1
Issue 4, June 2005
