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MTS 2 and MTS 4 Installation, Configuration and Basic Service Manual
Base Radio Alarms
The table below displays the generic base radio alarms that can be listed using MMI command get alarms.
Table 13-7 Generic Base Radio Alarms
Alarm ID
ALM_BRC_NVM_CKSUM_FAULT
ALM_BRC_NVM_CKSUM_FAIL
ALM_BRC_16_8MHZ_FAIL_ALM
ALM_BRC_16_8MHZ_FAIL
ALM_RX_LO1_LOCK
ALM_RX_SYNTH_LD_FAIL
ALM_RX_LO1_SL
ALM_RX_SYNTH_SL_FAIL
6802800U74-N September 2009
Recovery
Description
Action
Checksum
Software
fault for the
attempts to set
XCVR NVM
the parameters
parameters was
to the default
detected during
values taken
initialization
from the default
- some of
region in the
the XCVR
NVM memory.
configuration
parameters may
be corrupted.
The same as ALM_BRC_NVM_CKSUM_FAULT
The 16.8MHz
BRC is de-keyed
reference failure
by the software.
- this alarm
originates from
the VCXO and
it is reported
by the interrupt
(Host IRQ4).
The same as ALM_BRC_16_8MHZ_FAIL_ALM
Receiver
Receiver is
synthesizer lock
disabled by
detect failure.
the software -
BRC is unable to
receive.
Reported when ALM_RX_LO1_LOCK is set and
ALM_BRC_16_8MHZ_FAIL_ALM is cleared
Receiver
Receiver is
synthesizer
disabled by
steering line
the software -
failure.
BRC is unable to
receive.
The same as ALM_RX_LO1_SL
Base Radio Alarms
Clear Action
If the operation
Corrupted
of restoring
configuration
defaults is
parameters may cause
successful the
that BRC works
alarm is cleared.
incorrectly. The
Otherwise the
default values may
alarm status is
be different than the
unchanged.
lost parameter values.
To make sure the
parameters can be
restored manually to
the earlier backed up
values.
The alarm will be
The alarm may be
cleared only after
reported because of
resetting BRC.
the BRC hardware
failure.
If the alarm
The alarm may be
condition
reported because of
disappears then
the BRC hardware
Receiver is
failure or because
re-enabled by
RX VCO is not
the software.
properly tuned (BCD
NVM parameters
configuration).
If the alarm
The alarm may be
condition
reported because of
disappears then
the BRC hardware
Receiver is
failure or because
re-enabled by
RX VCO is not
the software.
properly tuned (BCD
NVM parameters
configuration).
Notes
13-21
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