Users Manual Part 2

Alarm ID
Descrip-
tion
Recovery
Action
Clear Ac-
tion
Notes
• ALM_RX_LO1_SL
• ALM_RX_SYNTH_SL_FAI
L
Receiver
synthesizer
steering line
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_VCO_MON_FA
ULT
• ALM_RX_VCO_MON_FAI
L
Receiver
VCO moni-
toring fail-
ure.
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.
Alarm for BR-
Arch-1 only.
The alarm may
be reported be-
cause of the
BRC hardware
failure or config-
uration prob-
lems.
ALM_BRC_VCXO_UN-
LOCK_ALM
VCXO is
unlocked -
the alarm is
reported as
a fault indi-
cation mes-
sage from
DSP.
No recovery
action taken
by the soft-
ware.
The alarm is
cleared after
de-keying
BRC.
The alarm
means that the
BRC reference
is not locked to
an external ref-
erence and
VCXO frequency
tolerance can
vary between
0.025 and
1.5ppm. The
alarm may be
reported be-
cause of the ex-
ternal reference
failure or BRC
hardware failure.
ALM_BRC_RE-
PLACE_VCXO_ALM
VCXO
should be
replaced -
the alarm is
reported as
a fault indi-
cation mes-
sage from
DSP.
No recovery
action taken
by the soft-
ware.
The alarm is
cleared after
de-keying
BRC.
This is an indica-
tion the refer-
ence clock may
go out of lock in
the future.
•
ALM_RX_ABA-
CUS_CLK_SL
• ALM_RX_ABA-
CUS_CLK_SL_FAIL
Receiver
main Aba-
cus clock
failure.
Receiver is
disabled by
the software
- BRC is un-
If the alarm
condition
disappears
then Receiv-
The alarm may
be reported be-
cause of the
BRC hardware
6802800U74-AP
Chapter 13: MTS Troubleshooting
402