HP Compaq Series Hardware And Software Manual page 124

Using a Country-Specific Modem Cable Adapter
Telephone jacks vary by country. If you are connecting the
modem to a telephone line in a country where RJ-11 telephone
jacks are not standard, you must obtain a country-specific modem
adapter. Refer to the
more details about using your notebook internationally.
To connect the modem to an analog telephone line that does not
have an RJ-11 telephone jack:
Å
WARNING: To avoid the risk of electrical shock, fire, or damage to the
equipment, do not plug a modem cable into the network jack.
1. Turn the notebook display-side up on a flat surface near a
telephone wall jack.
2. If the modem cable has a noise suppression circuitry 1,
which prevents interference with TV and radio reception,
orient the circuitry end of the cable toward the notebook.
3. Plug the modem cable into the RJ-11 (modem) jack 2 on the
notebook.
4. Plug the modem cable 3 into the country-specific
modem cable adapter.
5. Plug the country-specific modem cable adapter 4 into the
telephone jack.
Hardware and Software Guide
"Modem Country Selection"
Modem and Networking
section for
10–3