Comtech EF Data KST-2000B Installation And Operation Manual page 95

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