Comtech EF Data KST-2000A/B User Manual
Page 84

Ku-Band Satellite Transceiver
Revision 9
Fault Indication and Isolation
MN/KST2000AB.IOM
4–4
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
HPA FAULTS ( Comtech EFData)
HPA MODULE
X1
X1
X1
X1
X1
BIAS VOLTAGE #1 - #9
X1
X1
X1
X1
X1
-5 VOLT POWER SUPPLY
X1
X1
X1
X1
X1
+9.75 VOLT POWER SUPPLY
X1
X1
X1
X1
X1
INTER-PROCESSOR COMMUNICATIONS
X1
X1
X1
X1
X1
HPA FAULTS (OEM SSPA)
HPA MODULE
X1
X1
X1
X1
X1
HPA FAULTS (TWTA)
HPA MODULE
X1
X1
X1
X1
X1
HIGH VOLTAGE
X1
X1
X1
X1
X1
TEMPERATURE
X1
X1
X1
X1
X1
Legend
Note
Fault/Alarm Relay
Test Points Connector/Pins
1
SUMMARY FAULT
J2: a (NO), c (COM), b(NC)
2
UL FAULT
J2: W (NO), V (COM), U (NC)
3
DL FAULT
J2: Z (NO), Y (COM), X (NC)
X1
FAULTS IF NOT MASKED OFF
N/A
X2
ONLY ACTIVE WHEN
REDUNDANCY ENABLED
N/A