1. +2.5 V 30 A +5.8 V 3 A -3.6 V 25 A +4 V 100 A +4 V 100 A Controller TGC1 subrack organization +4 V 65 A Controller First 84 HP (19”) subrack Controller: 15 HP 6 HV distributors (54 chs): 36 HP 1 LV distributor (1 ch): 15 HP Free space in subrack: 18 HP 12 x 2 subracks Second 84 HP (19”) subrack Controller: 15 HP 4 LV distributors (5 chs): 60 HP Free space in subrack: 9 HP 12 x 2 subracks

2. +5.8 V 3 A -3.6 V 25 A +4 V 100 A Controller +4 V 65 A Controller First 84 HP (19”) subrack Controller: 15 HP 5 HV distributors (45 chs): 30 HP 1 LV distributor (1 ch): 15 HP Free space in subrack: 28 HP 24 x 2 subracks Second 63 HP subrack Controller: 15 HP 2 LV distributors (3 chs): 30 HP Free space in subrack: 18 HP 24 x 2 subracks TGC2 – TGC3 subrack organization

3. +4 V 65 A Controller TGC Small Wheel and TGC11 subrack organization First 84 HP (19”) subrack Controller: 15 HP 5 HV distributors (45 chs): 30 HP 2 LV distributors (3 chs): 30 HP Free space in subrack: 9 HP 1 x 2 subracks +5.8 V 3 A -3.6 V 25 A +4 V 100 A Controller Second 84 HP (19”) subrack Controller: 15 HP 5 HV distributors (45 chs): 30 HP 1 LV distributor (1 ch): 15 HP Free space in subrack: 24 HP 1 x 2 subracks

4. +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A MDT HV and LV subrack organization for Barrel – I solution First 84 HP (19”) subrack Controller: 15 HP 11 HV distributors (99 chs): 66 HP Free space in subrack: 3 HP 14 subracks (BIS.8 -> 1 HV ch) Second 84 HP (19”) subrack 12 LV distributors (12 chs): 84 HP 59 subracks Barrel656 – BEE 32 + EIL.4 16 + EEx 60 = 700 Controller

5. +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A Controller Second 84 HP (19”) subrack Controller: 15 HP 4 LV distributors (24 chs): 60 HP Free space in crate: 9 HP 30 subracks MDT HV and LV subrack organization for Barrel – II solution Controller Barrel656 – BEE 32 + EIL.4 16 + EEx 60 = 700 First 84 HP (19”) subrack Controller: 15 HP 11 HV distributors (99 chs): 66 HP Free space in subrack: 3 HP 14 subracks (BIS.8 -> 1 HV ch)

6. +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A MDT HV and LV subrack organization for Small Wheel and BEE- I solution Controller Small Wheel64 + BEE32 + EEL.special 2 = 98 Second 84 HP (19”) subrack 12 LV distributors (12 chs): 84 HP 5 x 2 subracks (1 x 2 with 1 ch) First 84 HP (19”) subrack Controller: 15 HP 10 HV distributors (82 chs): 60 HP Free space in subrack: 9 HP 1 x 2 subracks

7. +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A Controller MDT HV and LV subrack organization for Small Wheel and BEE- II solution Controller First 84 HP (19”) subrack Controller: 15 HP 10 HV distributors (82 chs): 60 HP Free space in subrack: 9 HP 1 x 2 subracks Second 84 HP (19”) subrack Controller: 15 HP 4 LV distributors (24 chs): 60 HP Free space in crate: 9 HP 3 x 2 subracks (1 x 2 with 1 ch) Small Wheel64 + BEE32 + EEL.special 2 = 98

8. +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A MDT HV and LV subrack organization for Big Wheel - I solution Controller First 63 HP subrack Controller: 15 HP 5 HV distributors (40 chs): 30 HP Free space in subrack: 18 HP 4 x 2 subracks (one every two octants) Second 84 HP (19”) subrack 10 LV distributors (10 chs): 84 HP 8 x 2 subracks (one every octant)

9. MDT HV and LV subrack organization for Big Wheel - II solution +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A Controller 84 HP (19”) subrack Controller: 15 HP 3 HV distributors (20 chs): 18 HP 2 LV distributors (10 chs): 30 HP Free space in subrack: 21 HP 8 x 2 subracks (one each octant) +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A Controller OR 63 HP subrack Controller: 15 HP 3 HV distributors (20 chs): 18 HP 2 LV distributors (10 chs): 30 HP Free space in subrack: 0 HP 8 x 2 subracks (one each octant)

10. +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A +6 V 1 15 A MDT HV and LV subrack organization for EO Wheel - I solution Controller First 63 HP subrack Controller: 15 HP 6 HV distributors (48 chs): 36 HP Free space in subrack: 12 HP 4 x 2 subracks (one every two octants) Second 84 HP (19”) subrack 12 LV distributors (12 chs): 84 HP 8 x 2 subracks (one every octant)

11. MDT HV and LV subrack organization for EO Wheel - II solution +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A Controller 84 HP (19”) subrack Controller: 15 HP 3 HV distributors (24 chs): 18 HP 2 LV distributors (12 chs): 30 HP Free space in subrack: 21 HP 8 x 2 subracks (one each octant) +6 V 1 6 2 3 4 5 15 A +6 V 1 6 2 3 4 5 15 A Controller 63 HP subrack Controller: 15 HP 3 HV distributors (24 chs): 18 HP 2 LV distributors (12 chs): 30 HP Free space in subrack: 0 HP 8 x 2 subracks (one each octant) OR