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-9to Mini-DIN-8
11
22
31
48
58
6(no pin)
75
8n/c?
96
from Mini-Din-8to DE-9
11,3
22
3n/c?
48
57
69
75
84

Mini-DIN-8 Connector used for testing

Test din connector pins, looking at bottom with pins towards you, din connector upwards

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