User's Manual Part 2

CL1TC-4 400W DVB-H Transmitter Alarms
Product Manual, Rev. 1 127
10.2 Informative Alarms
Informative alarms are event alarms, they
have no alarm Begin/End conditions.
10.2.1 Modulator Restarted
A transient
Informative alarm; sent at system boot time.
10.2.2 Heartbeat
A periodic I
nformative alarm; sent periodically at an interval determined by the system
“Heartbeat Pace” parameter. The Heartbeat Pace parameter can be set via SNMP or through
the modulator’s Web-GUI and Command Line interfaces.
10.3 Temperature Sensor Faults
10.3.
1 Temperature Sensor 1 Fault
Temperature Sensor 1
Fault – set when the HPA power module heat sink temperature (at
temperature sensor 1 location) reaches 75º C.
NOTE: Automatic HPA shutdown is initiated by the HPA when the critical level is reached.
The Web-GUI interface has no control over this action. Transmission is restored when the
alarm is cleared.
10.3.2 Temperature Sensor 2 Fault
Temperature Sensor 2
Fault – set when the HPA power module heat sink temperature (at
temperature sensor 2 location) reaches 75º C.
NOTE: Automatic HPA shutdown is initiated by the HPA when the critical level is reached.
The Web-GUI interface has no control over this action. Transmission is restored when the
alarm is cleared.
10.3.3 Temperature Sensor 3 Fault
Temperature Sensor 3
Fault – set when the HPA pre-driver heat sink temperature reaches
75º C.
NOTE: Automatic HPA shutdown is initiated by the HPA when the critical level is reached.
The Web-GUI interface has no control over this action. Transmission is restored when the
alarm is cleared.
10.3.4 Exciter Temperature Fault
E
xciter Temperature Fault – set when the modulator temperature reaches 70º C.