Typically, an adapter cable is provided to connect the motor D-SUB9 connectors to the feedback port and the motor phase port on the target servo drive.

Standard lenght are 3 and 5 meters. For example DA002008-5M (for 5 meter adapter cable ordering code)

Adapater cable pinout: https://www.nilab.at/download/da002007-da002008-adapter-cable/?wpdmdl=3045&refresh=637b84805bc981669039232