IP- RS12 IP- 20 &, IP- RS8 IP- 20 IP Ring Switch/ TCMS/ RS- 2., PART NO: 3EST000234- 7837, MAKE: Alstom, VEHICLE, CONTROL UNIT DCY 1150 A. PART NO: 3EST000212- 0728, IP- TS IP TRAIN SWITCH. PART NO:, 3EST000212- 3000 MAKE: Alstom, MOBILE COMMUNICATION, GATEWAY DCY 1420A. PART NO. 3EST000234- 1560 MAKE:, Alstom