Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual page 402

Base Radio Alarms
Table 13-7 Generic Base Radio Alarms (Continued)
Alarm ID
ALM_BRC_CP2B_REF_ALM
ALM_DEKEY_FROM_MMI
ALM_GPS_FAILURE
ALM_RESET_PENDING_ALARM
ALM_HW_INIT_FAILED
ALM_RX1_PATH
13-36
Recovery
Description
Action
CP2B reference Hardware
is not present automatically
- the alarm selects another
originates from
reference which
the STIC FPGA is present.
(which is read
by DSP) and it
is reported as a
fault indication
message from
DSP
BRC is BRC is de-keyed
de-keyed by by the software.
using 'dekey'
MMI command
GPS failure No recovery
action taken by
detected - 1PPS
signal is lost. the software.
CMP Reset After the delay
request received
time elapses the
from Site BRC is reset.
Controller but
delay time for
the reset is set.
Hardware No recovery
initialization action taken by
the software.
failure.
RSSI for No recovery
Receiver path action taken by
the software.
1 is much
lower than
maximal RSSI
measured for
the remaining
configured
paths.
Chapter 13: MTS Troubleshooting
Clear Action
The alarm will The alarm may be
be cleared after reported because of
de-keying BRC. the external reference
failure or BRC
hardware failure.
The alarm will
be cleared (and
BRC will be
re-keyed again)
after using 'key'
MMI command.
After de-keying The alarm may be
BRC and reported because of
regaining the the 1PPS signal from
1PPS signal the SC failure or link to
alarm is cleared. SC failure or BRC
hardware failure.
The alarm will be
cleared only after
resetting BRC.
The alarm will be The alarm may be
cleared only after reported because
resetting BRC. of BRC hardware
configuration error
or BRC hardware
failure.
When the clear Each time when RSSI
condition is met for path 1 is less than
then the alarm is (max_RSSI - mts_re-
cleared. ceive_path_thresh-
old) then RSSI failure
counter for path 1
is incremented by 1.
Otherwise the counter
is decremented by 2.
After checking the
alarm condition the
counter is set to 0 if it
has a negative value.
The 'rssicnt' com-
6802800U74-N September 2009
Notes