Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual page 404

Base Radio Alarms
Table 13-7 Generic Base Radio Alarms (Continued)
Alarm ID
ALM_RF_JAMMING
ALM_RF_JAMMING_WITH_AIH
ALM_LAPD_LINK
ALM_RX_IF1_FAULT
ALM_RX_IF2_FAULT
ALM_RX_IF3_FAULT
ALM_EX_DC_27V_FAULT
13-38
Recovery
Description
Action
No recovery
Uplink channel
action taken by
RF interference
detected. the software.
Uplink channel Information
RF interference sent to Site
detected with Controller.
Automatic MCCH setup
Interference requests are
Handler is rejected by BRC.
enabled.
LAPD
BRC is de-keyed
connection is by the software.
down.
Current Receiver Branch
consumption
1 is disabled
failure of IF
amplifier in
branch 1
Current
Receiver Branch
consumption 2 is disabled
failure of IF
amplifier in
branch 2
Current Receiver Branch
consumption 3 is disabled
failure of IF
amplifier in
branch 3
Exciter DC 27V Transmitter is
line failure. disabled by
the software -
BRC is unable to
transmit.
Chapter 13: MTS Troubleshooting
Clear Action
of the BRC hardware
failure or configura-
tion problems.
The alarm
is cleared if
no longer
interference is
detected.
The alarm
is cleared if
no longer
interference is
detected.
The alarm is The alarm may be
cleared after reported because of
the LAPD the link to SC failure.
connection is
restored.
If condition The alarm may be
disappears reported if current
branch 1 is is outside specified
enabled limits.
If condition The alarm may be
disappears reported if current
branch 2 is is outside specified
enabled limits.
If condition The alarm may be
disappears reported if current
branch 3 is is outside specified
enabled limits.
If the alarm The alarm may be
condition reported because
disappears then of some power
transmitter is supply problems
re-enabled by the (cables, connectors)
software. or the BRC hardware
failure / configuration
problem.
6802800U74-N September 2009
Notes