HP Compaq NX9000 Reference Manual page 22

Getting Started with Your Notebook
Setting Up Your Notebook
Step 3: Connect a phone line
1. Make sure the telephone line is an analog line, sometimes called a data line.
(Do not use a digital line.)
2. Connect the telephone cord (RJ-11) into a telephone jack.
3. Plug the other end of the telephone cord into the RJ-11 modem jack on the
notebook.
For details about using the modem, see "Using the Modem" later in this guide.
12 Reference Guide