Table of Contents
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No.
Connector/feature
1
Thermal fan connector (internal)
2
Power button connector (internal)
3
Camera/LED connector (internal)
4
Wireless-WAN card slot (internal)
5
Wireless-LAN card slot (internal)
6
LCD cable connector (internal)
7
USB-C connector / power
connector (external)
8
USB-C connector (Thunderbolt 3
compatible) / power connector
(external)
9
Ethernet extension connector Gen
2 (external)
10
USB 3.1 connector Gen 1
(external)
11
HDMI connector (external)
12
Audio connector (external)
13
Coin-cell battery connector
(internal)
56
X280 Hardware Maintenance Manual
Internal cable required
Thermal fan assembly cable
Power-button-card cable
Camera/LED cable
No
No
LCD cable
No
No
No
No
No
No
Coin-cell battery cable
Cable connection
The thermal fan assembly comes
with a cable. Connect the cable to
this connector.
Connect one end to the power
button card and the other end to
this connector.
Connect one end to the camera/
microphone card and the other
end to this connector.
Insert the wireless-WAN card into
this slot.
Insert the wireless-LAN card into
this slot.
Connect one end to the LCD panel
assembly and the other end to this
connector.
Connect USB-C compatible
devices or a USB-C power
adapter to this connector.
Connect USB-C compatible
devices or a USB-C power
adapter to this connector.
Connect to a local area network
(LAN) through this connector using
a ThinkPad Ethernet Extension
Adapter Gen 2.
Connect USB-compatible devices
to this connector.
Connect a compatible digital
audio device or video monitor to
this connector.
Connect headphones or a headset
to this connector.
The coin-cell battery comes with a
cable. Connect the cable to this
connector.
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