Users Manual Part 2

Alarm ID
Descrip-
tion
Recovery
Action
Clear Ac-
tion
Notes
CPLD by
the interrupt
(Host
IRQ2).
ALM_BRC_CP2B_LINK_FAIL
_ALM
CP2B Link
failure - the
link state
change is
reported by
CPLD by
the interrupt
(Host
IRQ2).
CPLD will
automatical-
ly switch to
CP2A.
When the
link is up
then the
alarm is
cleared.
The link to Site
Controller is dis-
connected or
failed.
ALM_BRC_CP2A_REF_ALM CP2A refer-
ence is not
present -
the alarm
originates
from the
STIC FPGA
(which is
read by
DSP) and it
is reported
as a fault in-
dication
message
from DSP
Hardware
automatical-
ly selects
another ref-
erence
which is
present.
The alarm is
cleared after
de-keying
BRC.
The alarm may
be reported be-
cause of the ex-
ternal reference
failure or BRC
hardware failure.
ALM_BRC_CP2B_REF_ALM CP2B refer-
ence is not
present -
the alarm
originates
from the
STIC FPGA
(which is
read by
DSP) and it
is reported
as a fault in-
dication
message
from DSP
Hardware
automatical-
ly selects
another ref-
erence
which is
present.
The alarm is
cleared after
de-keying
BRC.
The alarm may
be reported be-
cause of the ex-
ternal reference
failure or BRC
hardware failure.
ALM_DEKEY_FROM_MMI BRC is de-
keyed by
using dekey
MMI com-
mand
BRC is de-
keyed by the
software.
The alarm is
cleared (and
BRC is re-
keyed again)
after using
key MMI
command.
6802800U74-AP
Chapter 13: MTS Troubleshooting
417