Panasonic CF-W8EWDZZ2M - Toughbook Executive W8 Reference Manual page 83

Modem
CAUTION
Be sure to connect the telephone cable into the modem port, not into the LAN port.
Use a surge protector since the modem may be damaged by a sudden high voltage surge that may occur in the event
of a lightning strike.
1
Connect the computer and the telephone jack (A) using the
telephone cable (included: B).
Hold the cable so that the shape of the connector (C) matches the port, and
insert fully until it clicks.
2
Click (Start) - [Control Panel] - [Connect to the Internet] -
[Dial-up] and change the settings as necessary.
NOTE
Do not enter sleep or hibernation during communications.
To remove the cable, press and hold the lever and pull out.
83
CF-F8 Series
CF-W8/CF-T8 Series