You can find the default modem password for you model:
The 3M Company, formerly known as the Minnesota Mining and Manufacturing Company (1902–2002), is an American multinational conglomerate corporation based in Maplewood, Minnesota, a suburb of St. Paul.
With $30 billion in annual sales, 3M employs 88,000 people worldwide and produces more than 55,000 products, including: adhesives, abrasives, laminates, passive fire protection, dental and orthodontic products, electronic materials, medical products, car-care products (sun films, polish, wax, car shampoo, treatment for the exterior, interior and the under chassis rust protection), electronic circuits, and optical films. 3M has operations in more than 65 countries including 29 international companies with manufacturing operations and 35 companies with laboratories. 3M products are available for purchase through distributors and retailers in more than 200 countries, and online directly from the company.