2. The Alice-ToF HV system and the PVSS control system E. Scapparone for the Alice-Tof group DCS Workshop, June 16 - The ToF High Voltage layout ; - Component selection and adopted solutions; - PVSS work started !

3. - 18 sectors ( 20 o tilted ) - 5 modules/sector - from 15 to 20 strips/sector - HV ranges +(-)7.5 kV ( but the system can hold up to 15 kV).

4. MRPC Module Distributors 40 m - + 7.5 kV SY1527(+) SY1527(-) 40 m 6m 90 + 90 HV channels

5. HoneycombPlane Distributors HV + HV - Vetronite or glass cylinder Soldered connections Strip 3 Strip 4 Strip 1 Strip 2

6. HV system by CAEN: SY1527, 16 (6 ch, 7.5 kV) modules. First modules ready on July (+ few spare modules with 15 kV to feed asimmetrically few strips.) Single width SY1527 (+) SY1527 (-)

7. Cable: by Kerpen (3-polar, 15 kV) Halogen free, flame retardant shield FL GND HV 9.4 mm

8. cable Nickel coated Connectors by CPE: A prototype of the Kerpen cable equipped with these 3-polar connectors ready, just tested.

9. -The HV Control PVSS based just started, taking advantage of the HMPID group help. -At the moment, PVSS Version 2.12 + Framework 1.2, running on W2000. - First choice of the Detector view