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.
T
HE
INTERNAL
MODEM
IS
NOT
INTENDED
FOR
USE
WITH
D
IGITAL
PBX
SYSTEMS
. D
O
NOT
CONNECT
THE
INTERNAL
MODEM
TO
A
D
IGITAL
PBX
AS
IT
MAY
CAUSE
SERIOUS
DAMAGE
TO
THE
INTERNAL
MODEM
OR
YOUR
ENTIRE
NOTEBOOK
. C
ONSULT
YOUR
PBX
MANUFACTURER
’
S
DOCUMENTATION
FOR
DETAILS
. S
OME
HOTELS
HAVE
D
IGITAL
PBX
SYSTEMS
. B
E
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
. I
TS
MAXIMUM
SPEED
OF
53000
BPS
IS
THE
HIGHEST
ALLOWED
BY
FCC,
AND
ITS
ACTUAL
CONNECTION
RATE
DEPENDS
ON
THE
LINE
CONDITIONS
. T
HE
MAXIMUM
SPEED
IS
33600
BPS
AT
UPLOAD
,
IN
ACCORDANCE
WITH
FCC
REGULATIONS
.
F
OR
ADDITIONAL
INFORMATION
ABOUT
THE
MODEM
,
REFER
TO
THE
F
UJITSU
WEBSITE
AT
:
US
.
FUJITSU
.
COM
/
COMPUTERS
.