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External monitor
port
LAN jack
Do not connect any cable other than a LAN cable to the LAN jack.
It could cause damage or malfunction.
Do not connect the LAN cable to a power supply. It could cause
damage or malfunction.
HDMI out port
Keep foreign metal objects, such as screws, staples and paper clips, out of
the PC Card slot. Foreign metal objects can create a short circuit, which
can cause damage and fire, possibly resulting in serious injury.
eSATA/USB combo
port
Microphone jack
Headphone jack
User's Manual
This port allows you to connect an external
monitor to the computer.
This jack lets you connect to a LAN.
The adaptor has built-in support for Ethernet LAN
(10 megabits per second, 10BASE-T) and Fast
Ethernet LAN (100 megabits per second,
100BASE-TX). The LAN has two indicators.
Refer to Chapter 4,
HDMI out port can connect with Type A
connector HDMI cable. One HDMI cable can
send video and audio signals. (Included with
some models.)
This is a combination port. It is a Universal Serial
Bus port, complying to the USB 2.0 Standard. It
also has an eSATA (External Serial ATA) function.
A 3.5 mm mini microphone jack enables
connection of a three-conductor mini jack for
monaural microphone input, and connection of a
stereo device for audio input.
A 3.5 mm mini headphone jack that lets you
connect digital speakers or a stereo headphone
(16 ohm minimum). When you connect
headphones, the internal speakers are
automatically disabled.
L550/L550D/L555/L555D
Operating
Basics, for details.
2-3
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