Example cable included with used Kensington Turbo Mouse Plus v3.0 from eBay.
Part number on cable: 62358-010. Part number and “Taiwan” on Mini-DIN end.
Has “2” embossed on ferrule/neck of DE-9 end.
Made in Taiwan.
There is no pin at position 8 of DE-9 connector.
Looks like an Apple product, but no Apple brand markings.
Pinout

| from DE-9 | to Mini-DIN-8 |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 8 |
| 5 | 8 |
| 6 | (no pin) |
| 7 | 5 |
| 8 | n/c? |
| 9 | 6 |
| from Mini-Din-8 | to DE-9 |
|---|---|
| 1 | 1,3 |
| 2 | 2 |
| 3 | n/c? |
| 4 | 8 |
| 5 | 7 |
| 6 | 9 |
| 7 | 5 |
| 8 | 4 |
-
Mini-DIN-8 Connector used for testing
Test din connector pins, looking at bottom with pins towards you, din connector upwards
5 2 1 3 8 7 4 6