Unit installation

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