Backplane 9 U monolithic with power supply plug
| Order No. | height (he) | version | number of slots |
|---|---|---|---|
| 3689329 | 9 U | 1 plug Positronic 47 Pin, without ATX plug | 2 Slot (without H.110) |
| 3689330 | 9 U | 2 plug Positronic 47 Pin and 1 ATX plug | 4 Slot |
| 3689331 | 9 U | 3 plug Positronic 47 Pin and 1 ATX plug | 6 Slot |
| 3689332 | 9 U | 4 plug Positronic 47 Pin and 1 ATX plug | 8 Slot |