HP Compaq Presario,Presario R4000 Hardware And Software Manual page 128

Modem and Networking
Using a Country-Specific Modem Cable Adapter
WARNING: To avoid the risk of electric shock, fire, or damage to
Å
the equipment, do not plug a telephone cable into the notebook RJ-45
(network) jack.
To connect the modem to an analog telephone line that does not
have an RJ-11 telephone jack:
1. Plug the modem cable into the RJ-11 (modem) jack 1 on the
notebook.
2. Plug the modem cable 2 into the country-specific
modem adapter.
3. Plug the country-specific modem adapter 3 into the
telephone wall jack.
✎
Telephone wall jacks, modem adapters, and modem cables
vary in appearance by region and country.
10–4 Hardware and Software Guide