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

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Base Radio Alarms Chapter 13: MTS Troubleshooting
Table 13-7 Generic Base Radio Alarms (Continued)
Alarm ID Description
Recovery
Action
Clear Action Notes
of the BRC hardware
failure or con
fi
gura-
tion problems.
ALM_RF_JAMMING Uplink channel
RF interference
detected. No recovery
action taken by
the software. The alarm
is cleared if
no longer
interference is
detected.
ALM_RF_JAMMING_WITH_AIH Uplink channel
RF interference
detected with
Automatic
Interference
Handler is
enabled. Information
sent to Site
Controller.
MCCH setup
requests are
rejected by BRC. The alarm
is cleared if
no longer
interference is
detected.
ALM_LAPD_LINK LAPD
connection is
down.
BRC is de-keyed
by the software. The alarm is
cleared after
the LAPD
connection is
restored. The alarm may be
reported because of
the link to SC failure.
ALM_RX_IF1_FAULT Current
consumption
failure of IF
ampli
fi
er in
branch 1
Receiver Branch
1 is disabled If condition
disappears
branch 1 is
enabled The alarm may be
reported if current
is outside speci
fi
ed
limits.
ALM_RX_IF2_FAULT Current
consumption
failure of IF
ampli
fi
er in
branch 2
Receiver Branch
2 is disabled If condition
disappears
branch 2 is
enabled The alarm may be
reported if current
is outside speci
fi
ed
limits.
ALM_RX_IF3_FAULT Current
consumption
failure of IF
ampli
fi
er in
branch 3
Receiver Branch
3 is disabled If condition
disappears
branch 3 is
enabled The alarm may be
reported if current
is outside speci
fi
ed
limits.
ALM_EX_DC_27V_FAULT
Exciter DC 27V
line failure. Transmitter is
disabled by
the software -
BRC is unable to
transmit. If the alarm
condition
disappears then
transmitter is
re-enabled by the
software. The alarm may be
reported because
of some power
supply problems
(cables, connectors)
or the BRC hardware
failure / con
fi
guration
problem.
13-38
6802800U74-N September 2009