Comtech EF Data KST-2000A/B User Manual
Page 95
Ku-Band Satellite Transceiver
Revision 9
Operation
MN/KST2000AB.IOM
5–11
The following listing describes each fault function in detail.
Function
Description
POWER
Monitors the specific voltages as indicated below
-7V PWR
-7 VDC
"FLT" indicates the
-
7 VDC is out of the allowable range.
+7V PWR
+7 VDC
"FLT" indicates the +7 VDC is out of the allowable range.
+12V
+12 VDC
"FLT" indicates the +12 VDC is out of the allowable range.
+17V PWR
+17 VDC
"FLT" indicates the +17 VDC is out of the allowable range.
D/C
Down Converter
D/C
"FLT" indicates a down converter module fault.
LSYN
L-Band synthesizer lock fault
D/KSYN
K-Band synthesizer lock fault
D/C PROG
D/C programming Fault
"FLT" Indicates the main M&C has lost communication with the micro-
controller on the down converter assembly.
U/C
Up Converter
U/C
"FLT" indicates an up converter module fault
SSYN
S-Band synthesizer lock fault
U/KSYN
Ku-Band synthesizer lock fault
U/C PROG
U/C programming fault
"FLT" Indicates the main M&C has lost communication with the micro-
controller on the up converter assembly.
CEFD HPA
Comtech EF Data High Powered Amplifier
HPA HPA
fault
"FLT" indicates the HPA module micro-controller has reset.
-5V PWR
-5 VDC
"FLT" indicates the HPA -5VDC is out of the allowable range.
+9.75V +9.75
VDC
"FLT" indicates the HPA +9.75 VDC is out of the allowable range.
HPA PROG
HPA programming fault
"FLT" Indicates the main M&C has lost communication with the micro-
controller on the CEFD SSPA.
OEM HPA
HPA HPA
fault
"FLT" is a summary fault for one of the internal fault monitoring systems
within the OEM HPA.
TWTA
Traveling wave tube amplifier
HPA HPA
fault
"FLT" is a summary fault for one of the internal fault monitoring systems
within the TWTA.
TEMP Temperature
fault
"FLT" Indicates excessive temperature within the TWTA.
AGC
Automatic Gain Control
EIP
Excessive Input Power
"FLT" indicates input power is to high and may need to be attenuated.
IIP
Insufficient Input Power
"FLT" indicates low power input or no input at all.