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

Page: 372 / 517

Troubleshooting: SC Con
fi
g File Chapter 13: MTS Troubleshooting
Table 13-3 Site Reference Reasons
Site Reference Reason Explanation
NO REASON Normal operation - no explanation needed
1PPS LOST The 1PPS timing source from the GPS is not present.
FREE_RUN_TIMER_EXPIRY The SR has been free running for longer than the time con
fi
gured
during installation.
UHSO_AGING
The UHSO (Ultra High Stability Oscillator) is approaching end of
life and will need replacing soon.
SITE_REF_ALARM An unspeci
fi
ed site reference condition has occurred.
FREQ_CALIB_TIMER_EXPIRY
The SR has been free running without GPS for over 350 days -
GPS calibration is required to ensure RF frequency stability &
compliance.
GPS_OK The GPS receiver is supplying a valid 1PPS timing source.
Troubleshooting: SC Config File
The SC will not boot or operate correctly and GPS will not start training unless a valid con
fi
guration
fi
le
is stored in its
fl
ash
fi
ling system. Use the method described in General Check of a SC File to ensure
that either tsc.cf.1 or tsc.cf.2 is selected as the current
fi
le, and is shown as valid.
Troubleshooting: status bts
This section details usage of the Application mode MMI command status bts for general
troubleshooting and to determine the BTS subsystem status.
Table 13-4 Site Reference States - status bts
Site Reference State Explanation
BRINT Module fault
BRMTS
Status of the BR, whether it’s keyed or not. Can report trap status of disabled
with reason ’SC link failure’ indicating that the ethernt connection between
the BR and SC is down
BRPORT Reports status of BR’s Ethernet ports whether up or in fault state
BRREC Reports status of the BR receiver paths and will report for example a
’receiver signal problem’. In this situation login to the BR and check output
of
get alarms
to con
fi
rm the RX path is in alarm
DPMINT
Reports status of Digital Power Meter. Check the DPM is mapped on the
CANBUS. Could be an indication of hardware fault with the DPM if it
cannot be re-mapped onto the CANBUS or is not responding to commands
if mapped on CANBUS
13-6
6802800U74-N September 2009