Test 1

Question 1

2A155

Answer 1

Antenna Pedestal Junction Box

Question 2

2A135

Answer 2

Electron Tube Liquid Cooler Assembly (CLET)

Question 3

2A130

Answer 3

Transmitter Pumping Unit (TPU)

Question 4

2A30

Answer 4

Circuit Breaker Box (Radar Interior)

Question 5

2A3

Answer 5

Distribution Box (Radar Interior C/S)

Question 6

2A87

Answer 6

Circuit Breaker Box (Radar Exterior C/S)

Question 7

2A162

Answer 7

Circuit Breaker Box (Radar Exterior R/S)

Question 8

2A34

Answer 8

Auxiliary Control Unit (ACU)

Question 9

2A112

Answer 9

Radar Status Control-Indicator Panel

Question 10

2PS3

Answer 10

Power Supply Assembly (Bay 1)

Question 11

2A155 Antenna Pedestal Junction Box

Answer 11

Provides connection for prime power cables between RS and EPP, and for data link cable between RS and ECS

Question 12

2A135 Electron Tube Liquid Cooler Assembly

Answer 12

Provides liquid cooling (EGW) to high power components of transmitter

Question 13

2A130 Transmitter Pumping Unit

Answer 13

Circulates PAO coolant to duel TWT’s

Question 14

2A30 Circuit Breaker Box

Answer 14

Major power distribution point of RS. Power output is controlled by 94 circuit breakers.

Question 15

2A3 Distribution Box

Answer 15

Acts as distribution and return point for various voltages. (RRG and RASG)

Question 16

2A87 Circuit Breaker Box

Answer 16

Distributes 3-phase, 208 VAC power to various units

Question 17

2A162 Circuit Breaker Box

Answer 17

Distributes power to A117 (GPS) and A118 (NFS)

Question 18

2A34 Auxiliary Control Unit (ACU)

Answer 18

Controls data flow, commands, and signal responses

Question 19

2A112 Radar Status Control-Indicator Panel

Answer 19

Displays status of all major subsystems

Question 20

2PS3

Answer 20

Supplies 28 VDC control power to relays, main power contractors, and the indicator lamps