# LRU
1 Door controller
2 Propulsion Systems
3 Brake Systems
4 Signs-CIIS, SIIS
5 Doppler Radar Speed Detector
6 Event recorder
7 Communication Systems
8 HVAC (Heating, Ventilation, Air Conditioning)
9 P/BRK Assemblies
10 Train Operator Display
11 ATO/ATC
12 High Speed Circuit Breaker
13 Auxiliary Power Supplies
14 Inverters
15 ERVC (Electronic Relay Valve Control)
16 Logic Craddle
17 TCU (Temperature Control Unit)
18 Master Control
19 Supervisor & CCU
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