User's Manual
Release 15 Alarm List – continued
DRAFT
SC300 1X BTS Hardware Installation, ATP, and FRU Procedures
JAN 2002
B-4
Table B-1: List of Alarms (Software Release 15)
Alarm
#
Alarm DescriptionAlarm Name
3921 LPAC: Very High
Temperature Alarm –
Unit A
This alarm is generated when the temperature on the PA unit exceeds the
threshold value for very high temperatures. This is either an equipment
alarm suggesting a hardware failure, or an alarm indicating environmental
extremes. To avoid equipment damage, the PA will automatically shut
down. This will also cause the BTS to reboot.
3931 LPAC: High
Temperature Alarm –
Unit A
This alarm is generated when the temperature on the PA unit exceeds the
threshold value for very high temperature. This is either an equipment
alarm suggesting a hardware failure, or an alarm indicating environmental
extremes. The BTS will reboot automatically to avoid equipment
damage.
3941 LPAC: VSWR Alarm
– Unit A
This alarm indicates a VSWR alarm was detected on the PA unit. This is
an equipment alarm, suggesting a hardware failure of the antenna system,
which is external to the PA.
This alarm is considered capacity–limiting because the BTS will reboot
automatically.
3961 LPAC: IM Loop Not
Converged Alarm –
Unit A
This alarm is generated when the convergence loop on the PA unit is
unable to cancel the distortion components created by the PA such that the
PA meets proper specifications. This alarm is detected by monitoring and
measuring IM products. An alarm will generate if the readings fall below
a preset threshold. The BTS will reboot automatically.
3980 LPAC Combination
Alarm, Complete
Sector Failure
This alarm is generated when the LPAC reports at least one of the
following alarms:
Very High Temperature Alarm,
IM Loop Not Converged Alarm,
VSWR Alarm
A combination alarm indicates a complete BTS reboot. Therefore, the
sector has lost power and is no longer transmitting. Calls will neither
originate to the failed sector, nor will existing calls hand off.
RF Related Alarms
9141 Forward Power Very
High Alarm: Sector 1
This alarm is generated whenever the P out of N forward gain samples
(where N and P may be configured) exceed a configurable forward gain
threshold. Two alarm levels can be specified: a very high (first level) and
a high (second level). The order of alarming by increasing severity is
normal condition, then high (second level), followed by very high (first
level). A forward power very high alarm clear is generated whenever P
out of N forward gain samples fall below the forward threshold minus a
forward gain Delta.
B