Manuals and User Guides for Motorola SB5101 - SURFboard - 30 Mbps Cable Modem. We have 7 Motorola SB5101 - SURFboard - 30 Mbps Cable Modem manuals available for free PDF download: User Manual, Reference Manual, Software License, Warranty, Safety, And Regulatory Information, Safety And Regulatory Information, Specification Sheet, Quick Reference Manual