Arris CM450 Cable Modem USB Driver
Download Arris CM550 Cable Modem Driver
Arris CM550 Cable Modem Driver
Download Arris Touchstone Telephony Modem TM402 USB Drivers
Arris Touchstone Telephony Modem TM402 USB Drivers
Download Arris Telephony Modem TM502 USB Drivers
20080915: Old link broken: http://www.arrisi.com/consumer_products/_docs/tm502_drivers_only.zip, thanks Jonah for the tips. New link updated.