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Ku-Band Satellite Transceiver
Fault Indication and Isolation
M&C MODULE
-7 VOLT POWER SUPPLY
+7 VOLT POWER SUPPLY
+12 VOLT POWER SUPPLY
+17 VOLT POWER SUPPLY
TX REDUNDANCY SWITCH
RX REDUNDANCY SWITCH
IF REDUNDANCY SWITCH
REDUNDANCY FAULT LINE CABLE
EXCESSIVE INPUT POWER
INSUFFICIENT INPUT POWER
AGC LOOP CONVERGE
LNA MODULE FAULT
EXTERNAL 10MHz LOCK DETECT
EXTERNAL PHASE NOISE
EXTERNAL RANGE
72MHz LOCK DETECT
OSCILLATOR WARM/COLD
UC MODULE
S-BAND SYNTHESIZER LOCK DETECT
KU BAND SYNTHESIZER LOCK DETECT
LATCHED S BAND SYNTH. LOCK DETECT
LATCHED KU BAND SYNTH. LOCK
DETECT
INTER-PROCESSOR COMMUNICATIONS
DC MODULE
L-BAND SYNTHESIZER LOCK DETECT
KU BAND SYNTHESIZER LOCK DETECT
LATCHED L BAND SYNTH. LOCK DETECT
LATCHED KU BAND SYNTH. LOCK
DETECT
INTER-PROCESSOR COMMUNICATIONS
Table 4-1. KST-2000A/B Fault Tree
COMMON EQUIPMENT FAULTS
AGC FAULTS
LNA FAULTS
REFERENCE FAULTS
UC FAULTS
DC FAULTS
R
T
T
T
S
F
X
X
X
U
M
O
R
R
R
M
U
F
F
F
A
T
R
P
L
L
L
Y
U
E
E
E
T
D
D
D
F
A
O
O
S
F
U
F
F
O
L
L
F
F
L
A
T
I
S
D
H
L
I
E
N
D
G
X
X
X
X
X
X2
X2
X2
X2
X1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
4–3
Revision 9
MN/KST2000AB.IOM
S
D
U
U
L
L
M
M
F
F
A
A
A
R
U
U
Y
L
L
T
T
F
A
R
R
U
E
E
L
L
L
T
A
A
Y
Y
R
E
L
A
Y
(1)
(2)
(3)
X
X
X
X
X
X2
X2
X2
X2
X1
X1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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