A.3.1 lna waveguide switch pinout (j10) – Comtech EF Data RSU-503 User Manual
Page 58
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RSU-503 Redundancy Switch Unit
RSU-503L Option
Rev. 8
A–5
A.3.1 LNA Waveguide Switch Pinout (J10)
Name
Pin #
Function
Command, LNA Position 1
C
+28V pulse for 500 milliseconds
LNA Command Common
G
Ground
Command, LNA Position 2
D
+28V pulse for 500 milliseconds
LNA Indicator, Position 1
H
Connects to Common when in position 1
LNA Indicator, Common
R
Ground
LNA Indicator, Position 2
T
Connects to Common when in position 2
Command, RF Position 1
E
+28V pulse for 500 milliseconds
RF Command Common
L
Ground
Command, RF Position 2
F
+28V pulse for 500 milliseconds
RF Indicator, Position 1
J
Connects to Common when in position 1
RF Indicator, Common
V
Ground
RF Indicator, Position 2
K
Connects to Common when in position 2
LNA PWR #A
A
10V power for LNA 1
LNA RTN #A
B
Ground Return for LNA 1
LNA PWR #B
N
10V power for LNA 2
LNA RTN #B
P
Ground Return for LNA 2
Chassis Ground
S
Ground for Shields