Linksys Official Support - The different types of passwords on your Linksys router
Linksys X2000 ADSL2+ modem-router Review: The X2000 is an entry-level 802.11n modem-router that's very easy to set up and use - Networking, Wireless & VoIP - ADSL Modems & Routers - PC
Linksys 2700v ADSL Router Router Login and Password