Lenovo H420 User Manual page 16

1.3.9 Connect any additional devices that you have. Your
computer might not have all connectors that are shown.
USB connector
TV-Tuner connector
(IEC type)
TV antenna
connector (F type)
Ethernet
1.3.10 Connect the power cords properly to ground electrical
outlets.
1.3.11 If your computer is equipped with Memory Card Reader
Connector, it is able to read/write data from
SD, SDHC;
MS, MS pro;
MMC, MMC plus.
Use this connector to attach a device that requires a
USB connection.
Only supported on systems with optional TV tuner
card (Some models are equipped with this connector).
To connect the signal input cable for CATV (Some
models are equipped with this connector).
Use this connector to attach the computer to an
Ethernet-type local area network.
11
User Guide