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User’s Manual 4-33
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 4-10 Connecting the internal modem
■ 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.
■ Avoid using your computer modem with the telephone cable connected
during an electrical storm. There may be a remote risk of electric shock
from lightning.
Modular cable
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 disc 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.