User’s Manual 4-52
Operating Basics
Connecting the modular cable
To connect the modem's modular cable, follow the steps as detailed below:
1. Plug the end of the modular cable into the computer's modem jack.
2. Plug the other end of the modular cable into a telephone jack.
Figure 4-29 Connecting the internal modem
Disconnecting the modular cable
To disconnect the modular cable, follow the steps as detailed below:
1. Pinch the lever on the plug in the telephone jack and pull it out from
within the connector.
■ Connection to any communication line other than an analog phone line
could cause a computer system failure.
■ Connect the built-in modem only to ordinary analog phone lines.
■ Never connect the built-in modem to a digital line (ISDN).
■ Never connect the built-in modem to the digital connector on a
public telephone or to a digital private branch exchange (PBX).
■ Never connect the built-in modem to a key telephone system for
residences or offices.
■ Never operate your computer on AC power during a thunderstorm. If
you see lightning or hear thunder, immediately turn off the computer.
An electric surge caused by the storm, may result in a system failure,
loss of data or hardware damage.
Modem jack
Telephone jack
Do not pull on the cable or move the computer while the cable is
connected.
If you use a storage device such as an optical drive or hard disk drive
connected to a 16-bit PC Card, you might experience the following
problems with the operation of the modem:
■ The modem speed is slow or communication is periodically interrupted.
■ Skips or jumps may be noted in sound.