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Comtech EF Data KST-2000A/B User Manual

Page 95

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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.