Lenovo ThinkPad X240s User Manual page 20

Attention: When you attach a USB cable to this connector, ensure that the USB mark is facing upward.
Otherwise the connector might be damaged.
3 Media card reader slot
Your computer has a media card reader slot. Insert your flash media card into this slot to read the data on
the card. For more information about the supported cards, see "Using a flash media card" on page 38.
4 SIM card tray (on some models)
If your computer has a wireless Wide Area Network (wireless WAN) feature, a Subscriber Identification
Module (SIM) card might be required to establish wireless WAN connections. Depending on the country of
delivery, the SIM card might be already installed in the SIM card tray. For more information, see "Installing
or replacing the SIM card" on page 66.
5 Ethernet connector
Connect the computer to a LAN with the Ethernet connector.
DANGER
To avoid the risk of electrical shock, do not connect the telephone cable to the Ethernet connector.
You can only connect an Ethernet cable to this connector.
The Ethernet connector has two indicators that show the status of the network connection. When the
lower-left indicator is solid green, it indicates that the computer connects to a LAN and a session with the
network is available. When the lower-right indicator blinks yellow, it indicates that data is being transmitted.
6 Security-lock slot
To protect your computer from theft, you can purchase a security cable lock that fits the security-lock
slot to lock the computer to a stationary object.
Note: You are responsible for evaluating, selecting, and implementing the locking device and security
feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance
of the locking device and security feature.
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User Guide