Mmi Fault Indications; Troubleshooting: Gps And Site Reference Faults - Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual

MTS 2 and MTS 4 Installation, Configuration and Basic Service Manual

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 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
Site Reference State
Site Reference Configuration
Site Reference 1 PPS Input Status
GPS Operating OK
GPS STATE
GPS Satellites Tracked
Sync Free Run Available (Minutes)
Unsync Free Run Available (Days Hours
Mins)
Last Calibration Date Time
Calibration Due Date Time
GPS Time
UTC Time
Local Time
Precise UTC Time Mode
Tetra Slot
Synchronized
The following fields are of particular relevance during fault diagnosis:
•
6802800U74-N September 2009
the GPS receiver
the Site Reference
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.
: YES
: MAINTAIN PHASE LOCK
: ASC
: VALID
: YES
: GPS 3D FIX
: 9
: 240
: 2879 10 27
: Thu Feb 1 08:40:25 2007
: Fri Jan 30 08:40:25 2015
: Thu Feb 1 08:42:38 2007
: Thu Feb 1 08:42:24 2007
: Thu Feb 1 10:42:24 2007
: YES
: H6121 M49 F15 S4
: YES
MMI Fault Indications
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