Motorola DIMETRA MTS 2, Installation, Configuration And Basic Service Manual

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MTS 2 and MTS 4 Installation, Con
fi
guration and Basic Service Manual MMI Fault Indications
MMI Fault Indications
Diagnosis of fault conditions are divided into diagnosis of the GPS/site reference and the site link.
Troubleshooting: GPS and Site Reference Faults
The timing subsystem within the MTS consists of two major components:
•
the GPS receiver
•
the Site Reference
The status sri command and its sub commands provide the capability to diagnose GPS
and Site Reference faults. An output similar to the one shown below will be obtained
for a fully functional internal 8 channel receiver
Site Reference Operating OK : YES
Site Reference State : MAINTAIN PHASE LOCK
Site Reference Configuration : ASC
Site Reference 1 PPS Input Status : VALID
GPS Operating OK : YES
GPS STATE : GPS 3D FIX
GPS Satellites Tracked : 9
Sync Free Run Available (Minutes) : 240
Unsync Free Run Available (Days Hours
Mins)
: 2879 10 27
Last Calibration Date Time : Thu Feb 1 08:40:25 2007
Calibration Due Date Time : Fri Jan 30 08:40:25 2015
GPS Time : Thu Feb 1 08:42:38 2007
UTC Time : Thu Feb 1 08:42:24 2007
Local Time : Thu Feb 1 10:42:24 2007
Precise UTC Time Mode : YES
Tetra Slot : H6121 M49 F15 S4
Synchronized : YES
The following
fi
elds are of particular relevance during fault diagnosis:
•
Site Reference Operating OK
YES: This indicates that the site reference is providing timing services to the Site Controller.
NO: The site reference is not operating, therefore the MTS will not be able to provide any
service. Examining the state of items below will indicate the reason for this condition.
6802800U74-N September 2009
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