GSM Old vision system AIS 3500

Need a wiring info from somebody who have the schematics for a GSM running the old vision system AIM 3500.

There's 2 cables plugging in the vision box, "vision DigA" & "vision DigB" with DB15 connector.

I need the pin out of these 2 cables to convert to DB25 connectors to go on the 630 lantern vision system.

Thanks for your time

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