18
- Getting to Know Your LIFEBOOK
Optional Modem (RJ-11) Telephone Jack
Certain configurations of the S751 notebook have an optional internal modem. The modem (RJ-11)
telephone jack is for attaching a telephone line to the internal multinational 56K modem. See “Modem
(RJ-11) Telephone Jack” on page 80.
DC Power Jack
The DC power jack allows you to plug in the AC adapter to power your LIFEBOOK notebook and charge
the internal Lithium ion battery.
USB 2.0 Ports
USB 2.0 ports allow you to connect Universal Serial Bus devices. USB 2.0 transfers data at up to 480
Mbps and is backward-compatible with USB 1.1 devices, which transfer data at up to 12 Mbps. See
“Universal Serial Bus Ports” on page 76. Note that the bottom USB 2.0 port also offers Antyime Charge
feature. USB Anytime Charge ports allow you to charge an external device even when the system is shut
down.
THE INTERNAL MODEM IS NOT INTENDED FOR USE WITH DIGITAL PBX SYSTEMS. DO NOT CONNECT
THE INTERNAL MODEM TO A DIGITAL PBX AS IT MAY CAUSE SERIOUS DAMAGE TO THE INTERNAL
MODEM OR YOUR ENTIRE NOTEBOOK. CONSULT YOUR PBX MANUFACTURER’S DOCUMENTATION FOR
DETAILS. SOME HOTELS HAVE DIGITAL PBX SYSTEMS. BE SURE TO FIND OUT BEFORE YOU CONNECT
YOUR MODEM.
T
HE INTERNAL MULTINATIONAL MODEM IS DESIGNED TO THE ITU-T V.90/V.92 STANDARD. ITS
MAXIMUM SPEED OF 53000 BPS IS THE HIGHEST ALLOWED BY FCC, AND ITS ACTUAL CONNECTION
RATE DEPENDS ON THE LINE CONDITIONS. THE MAXIMUM SPEED IS 33600 BPS AT UPLOAD, IN
ACCORDANCE WITH FCC REGULATIONS.
F
OR ADDITIONAL INFORMATION ABOUT THE MODEM, REFER TO THE FUJITSU WEBSITE AT:
US.FUJITSU.COM/COMPUTERS.
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