Thinkpad L540 Rear View - Lenovo ThinkPad L540 User Manual

1
Battery pack
2
Docking station connector (on some models)
3
SIM card slot
1 Battery pack
Use the computer with the battery power whenever ac power is unavailable.
You can use the Power Manager program to adjust your power settings as needed. For detailed information,
see the help information system of the Power Manager program.
2 Docking station connector (on some models)
You can use the connector to connect the computer to a supported docking station to extend the computer
capabilities when you are at the office or at home. For more information about the supported docking
stations, see "ThinkPad docking stations" on page 93.
3
SIM card slot
If your computer has a wireless WAN feature, a 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
slot. For more information, see "Installing or replacing the SIM card" on page 69.
4
Keyboard drainage holes
The keyboard drainage holes can help drain out liquid from your computer if you accidentally spill water or
drink over the keyboard.
5 Speakers
Your computer is equipped with a pair of stereo speakers.

ThinkPad L540 rear view

Figure 10. ThinkPad L540 rear view
1
Power connector
2
Ethernet connector
12
User Guide
4
Speakers
5
Keyboard drainage holes
3
USB 2.0 connector
4
Security-lock slot