HP Compaq Presario,Presario X1001 Network Manual page 5

Using an Internal Modem
1. If the modem cable has noise suppression circuitry 1, orient
the circuitry end of the cable toward the notebook.
2. Plug the cable into the RJ-11 telephone jack 2 on the
notebook.
Å
WARNING: To reduce the risk of electrical shock, fire, or damage to
the equipment, do not plug a telephone cable into the RJ-45 jack.
3. Plug the modem cable into the RJ-11 telephone jack 3.
Connecting the modem using an RJ-11 jack
Å
WARNING: To reduce the risk of electrical shock, always ensure that
the modem cable is disconnected from the telephone network when
opening the notebook's enclosure.
1–2 Modem and Networking