| 501-2405 | 501-2493 | 501-2581 | 501-2685 |
|---|---|---|---|
| 60MHz 16MB | 60MHz 16MB | 60MHz 16MB | 60MHz 16MB |
| JUMPER | PINS | SETTING | DESCRIPTION |
|---|---|---|---|
| J0600 | 1-2 | Out | Audio A/B (not a selection) |
| J1400 J1401 J1400 J1401 |
1-2 1-2 2-3 2-3 |
In In In* In |
100 Ohm ISDN termination enabled 100 Ohm ISDN termination enabled 100 Ohm ISDN termination disabled 100 Ohm ISDN termination disabled |
| J1801 | 1-2 | N/A | Ground test Point |
| J1802 | 1-2 | N/A | Ground test point |
| J1803 | 1-2 | N/A | Ground test point |
| J1804 | 1-2 | N/A | Ground test point |
| J1805 | 1-2 | N/A | Ground test point |
| J1806 | 1-2 | N/A | Ground test point |
| J1807 | 1-2 | N/A | Ground test point |
| J1808 | 1-2 | N/A | Ground test point |
| J1809 | 1-2 | Out | Ground POK |