Comtech EF Data KST-2000B Installation And Operation Manual page 84

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