097-58001-02 Revision G – April 2008 TimeProvider User’s Guide 179
Chapter 6 Maintaining and Troubleshooting the TimeProvider
Troubleshooting the TimeProvider
ANT
COMM GPS antenna fault due to loss
of communications. EQPTNSAMNMNMN
GPS
POS The GPS antenna position is
unknown. EQPTNSANANANA
GPS
PWR The current to the TPIU is either
too high or too low. T1 NSAMNMNMN
GPSSYS An error occurred with BIST,
TRAIM, and/or UTC/ ephemeris
data.
EQPTNSAMNMNMN
GPSTRK The GPS engine is not tracking
any satellites. EQPTNSAMNMNMN
INPDISQ The specified input has been
disqualified or qualified as a
possible system reference. The
fault condition must be
continuously present for the
FLTDELAY period before
disqualifying the input as a
possible reference. Once set,
this alarm clears when the input
is fault-free for the CLRDELAY
period.
T1NSAMNMNMN
INPLOS
The 1 PPS signal has a LOS
fault. The fault must be continu-
ously present for the FLTDELAY
period before disqualifying the
input as a possible reference.
Once set, this alarm clears when
the input is fault-free for the
CLRDELAY period.
T1NSAMNMNMN
INPFRQ The specified input port’s
calculated received frequency
is exceeding the pull-in range of
the LO. This condition
disqualifies the input as a
possible reference. Once set,
this alarm clears when the input
frequency is within the defined
pull-in range limits.
T1 NA NA NA NA
Table 6-7. Alarm Codes (Continued)
Event ID Description AID
TYPE Service
Affecting
Alarm Level
SSU
Mode PRR
Mode SUB
Mode