The severance plan will not be affected by the salary cuts, Delphi said.
Digital, which has 125,900 employees, said it would offer a voluntary severance plan to between 5,000 and 8,000 workers.
More executives are expected to accept the severance plan.
The severance plan does not affect the 4,000 salaried manufacturing employees.
The company said it would eliminate 500 to 800 jobs, or 8 percent of its domestic work force, through voluntary early retirement and severance plans.
Prime's board also disclosed that it had approved a severance plan for 19 key employees of the company.
The fund company sided with management, which said its severance plans were appropriate.
He hinted that an unusual severance plan might be revoked.
Those top officials are also owed $5.3 million under the local's severance plan, he said.
The company hopes a voluntary severance plan will create openings for a portion of those now in line to be laid off.