Users Manual Part 2

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13.2.1.1

Base Radio Alarms

The following table displays the generic base radio alarms that can be listed using MMI command get

alarms.

Table 110: Generic Base Radio Alarms

Alarm ID

Descrip-

tion

Recovery

Action

Clear Ac-

tion

Notes

• ALM_BRC_NVM_CKSUM

_FAULT

• ALM_BRC_NVM_CKSUM

_FAIL

Checksum

fault for the

XCVR NVM

parameters

was detec-

ted during

initialization

- some of

the XCVR

configura-

tion param-

eters may

be corrup-

ted.

Software at-

tempts to set

the parame-

ters to the

default val-

ues taken

from the de-

fault region

in the NVM

memory.

If the opera-

tion of re-

storing de-

faults is suc-

cessful the

alarm is

cleared. Oth-

erwise the

alarm status

is un-

changed.

Corrupted con-

figuration pa-

rameters may

cause that BRC

works incorrect-

ly. The default

values may be

different than the

lost parameter

values. To en-

sure that the pa-

rameters can be

restored man-

ually to the earli-

er backed up

values.

• ALM_BRC_16_8MHZ_FAI

L_ALM

• ALM_BRC_16_8MHZ_FAI

L

The

16.8MHz

reference

failure - this

alarm origi-

nates from

the VCXO

and it is re-

ported by

the interrupt

(Host

IRQ4).

BRC is de-

keyed by the

software.

The alarm is

cleared only

after reset-

ting BRC.

The alarm may

be reported be-

cause of the

BRC hardware

failure.

ALM_RX_LO1_LOCK Receiver

synthesizer

lock detect

failure.

Receiver is

disabled by

the software

- BRC is un-

able to re-

ceive.

If the alarm

condition

disappears

then Receiv-

er is re-ena-

bled by the

software.

The alarm may

be reported be-

cause of the

BRC hardware

failure or be-

cause RX VCO

is not properly

tuned (BCD

NVM parame-

ters configura-

tion).

ALM_RX_SYNTH_LD_FAIL

Reported when ALM_RX_LO1_LOCK is set and

ALM_BRC_16_8MHZ_FAIL_ALM is cleared

6802800U74-AP

Chapter 13: MTS Troubleshooting

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