On Networks N300RM Installation Guide - Manual (Page 4)

2
Before You Begin
Make sure that your DSL service is active before you install the
modem router. You need the information that is listed here to install
your DSL modem and connect to the Internet. Locate it and have it on
hand before you start the installation procedure.
• DSL user name and password. This information is included in
the welcome letter your DSL ISP sent you when you signed up for
your service. Record your DSL Internet service account user
name and password here:
User name:
Password:
• Your telephone number or DSL account number. If you do not
have voice service, you can use your DSL account number in
place of a phone number.