Compaq Presario R4000 Hardware-Software Guide - Page 125
Modem and Networking, Internal Modem, Modem Cable
View all Compaq Presario R4000 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 125 highlights
10 Modem and Networking Internal Modem Modem Cable Your notebook has an RJ-11 (modem) jack and an internal modem. A modem cable with a 6-pin RJ-11 connector at each end is included with all notebook models. If you purchased your notebook in a country where RJ-11 jacks are not standard, a country-specific modem adapter is also included. The adapter enables you to connect your modem to the type of telephone jack that is standard in your country. Ä CAUTION: To prevent permanent damage to the modem, do not connect the modem to a digital line. If you accidentally connect the modem cable to a digital line, immediately disconnect the cable. Your modem cable must be connected to an analog, not a digital, telephone line. Most home telephone lines are analog. Jacks for most PBX systems are digital. Some digital PBX jacks resemble analog jacks, but they are not compatible with the modem. Some modem cables include noise suppression circuitry, as shown in the following illustration. Hardware and Software Guide 10-1