Comtech EF Data KST-2000L - Manual (Page 51)

Satellite Terminal System Revision 2
Fault Indication and Isolation MN/KST2000L.IOM
Table 5-1. KST-2000L Fault Tree
R
F
O
U
T
P
U
T
O
F
F
T
X
R
F
L
E
D
O
F
F
T
X
R
F
L
E
D
S
O
L
I
D
T
X
R
F
L
E
D
F
L
A
S
H
I
N
G
S
U
M
M
A
R
Y
F
A
U
L
T
L
E
D
S
U
M
M
A
R
Y
F
A
U
L
T
R
E
L
A
Y
U
L
F
A
U
L
T
R
E
L
A
Y
D
L
F
A
U
L
T
R
E
L
A
Y
COMMON EQUIPMENT FAULTS
(1) (2) (3)
M&C MODULE X X
-7 VOLT POWER SUPPLY X X
+7 VOLT POWER SUPPLY X X
+12 VOLT POWER SUPPLY X X
+17 VOLT POWER SUPPLY X X
AGC FAULTS
EXCESSIVE INPUT POWER
INSUFFICIENT INPUT POWER
AGC LOOP CONVERGE
LNB FAULTS
LNB MODULE FAULT X1 X1 X1
REFERENCE FAULTS
72MHz LOCK DETECT X X
OSCILLATOR WARM/COLD X
UC FAULTS
UC MODULE X X X X X
S-BAND SYNTHESIZER LOCK DETECT X X X X X
KU BAND SYNTHESIZER LOCK DETECT X X X X X
LATCHED S BAND SYNTH. LOCK DETECT
LATCHED KU BAND SYNTH. LOCK DETECT
INTER-PROCESSOR COMMUNICATIONS X X X X X
DC FAULTS
DC MODULE X X X
KU-BAND SYNTHESIZER LOCK DETECT X X X
LATCHED KU-BAND SYNTH. LOCK DETECT
INTER-PROCESSOR COMMUNICATIONS X X X
5–3