1. Belle II numbering x y z x y z

2. Electronics mapping (rawdata) row: carrier level, 0-3. column: daughter card slot, 0-3. channel: channel on ASIC, 0-7. row 0 row 1 row 2 row 3 col 3col 2col 1col 0 7 5 3 1 6 4 2 0 channel 7 5 3 1 6 4 2 0 This mapping is checked by using test pulse on front-back board. (For all modules.) SCROD bottom. x y z Coordinate of Belle II

3. Electronics mapping (Belle II) pmt 1 2 3 4 5 6 7 8 ch 13 14 15 16 9 10 11 12 1 2 3 4 17 18 19 20 pmt = row/2 x 16 – col + mod x 4 + 4. ch = 1 (if channel = 7), 2 (if channel = 5), … (mod = module ID 0-3) (Example for module 0.) SCROD bottom. x y z Coordinate of Belle II

4. Electronics mapping (beam test ’11) pmt ch 1 2 3 4 13 14 15 16 1 2 3 4 5 6 7 8 13 14 15 16 9 10 11 12 (Example for module 0.) pmt = row/2 x 12 – col + mod x 4 + 4. ch = 1 (if channel = 7), 2 (if channel = 5), … (mod = module ID 0-3) SCROD bottom. x y z Coordinate of Belle II

5. Electronics mapping (beam test ’11) 1 2 3 4 13 14 15 16 Module 0 5 6 7 8 17 18 19 20 9 10 11 12 21 22 23 24 Module 1Module 2 Module ID is used just for identifying modules (used in raw-data level and not used in final ROOT files). 13 14 15 16 9 10 11 12 5 6 7 8 1 2 3 4 PMT ID Channel ID SCROD bottom. x y z Coordinate of Belle II

6. Backup slides

7. Electronics mapping (a natural transition) pmt 7 5 3 1 6 4 2 0 ch 16 12 10 8 15 13 11 9 6 4 2 0 7 5 3 1 pmt = row/2 + col. ch = row%2 x 8 + channel. (For all modules.) SCROD bottom. x y z Coordinate of Belle II

8. Dead channels (module 0) z of Belle II SCROD bottom. Checked by using test pulse to front-back board. Nov. 2011

9. Dead channels (module 1) z of Belle II SCROD bottom. Checked by using test pulse to front-back board. Nov. 2011

10. Dead channels (module 2) We could not read data so far. Nov. 2011