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.
EQPT
NSA
MN
MN
MN
GPS
POS
The GPS antenna position is
unknown.
EQPT
NSA
NA
NA
NA
GPS
PWR
The current to the TPIU is either
too high or too low.
T1
NSA
MN
MN
MN
GPSSYS
An error occurred with BIST,
TRAIM, and/or UTC/ ephemeris
data.
EQPT
NSA
MN
MN
MN
GPSTRK
The GPS engine is not tracking
any satellites.
EQPT
NSA
MN
MN
MN
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.
T1
NSA
MN
MN
MN
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.
T1
NSA
MN
MN
MN
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