Standard coin mech. pin outs.
| 13 pins. | 15 pins. | 17 pins. | Sentinel 35 C220 |
| 1-Coin 6 output. | |||
| 1-Coin 5 output. | 2-Coin 5 output. | ||
| 1-Output common. | 2-Output common. | 3-Output common. | 1-Output common. |
| 2-Coin 1 output. £1 | 3-Coin 1 output. | 4-Coin 1 output. | 2-Coin 1 output. £1 |
| 3- | 4- | 5- | 3- |
| 4-Coin 2 output. 50p. | 5-Coin 2 output. | 6-Coin 2 output. | 4-Coin 2 output. 50p. |
| 5-Coin 3 output. 20p. | 6-Coin 3 output. | 7-Coin 3 output. | 5-Coin 3 output. 20p. |
| 6- | 7- | 8- | 6-Select. Normally open. |
| 7-Coin 4 output. 10p. | 8-Coin 4 output. | 9-Coin 4 output. | 7-Coin 4 output. 10p. |
| 8-Coin 4 inhibit. | 9-Coin 4 inhibit. | 10-Coin 1 inhibit. | 8-Coin 4 inhibit. |
| 9-Supply +12V. 750mA. | 10-Supply +12V. | 11-Supply +12V. | 9-Supply +11-15V. 2A. |
| 10-Supply 0V. | 11-Supply 0V. | 12-Supply 0V. | 10-Supply 0V. |
| 11-Coin 3 inhibit. | 12-Coin 3 inhibit. | 13-Coin 3 inhibit. | 11-Coin 3 inhibit. |
| 12-Coin 2 inhibit. | 13-Coin 2 inhibit. | 14-Coin 2 inhibit. | 12-Coin 2 inhibit. |
| 13-Coin 1 inhibit. | 14-Coin 1 inhibit. | 15-Coin 1 inhibit. | 13-Coin 1 inhibit. |
| 15-Coin 5 inhibit. | 16-Coin 5 inhibit. | 14-Coin 5 and 6 inhibit. | |
| 17-Coin 6 inhibit. | 15-Coin 7 and 8 inhibit. |