Hardware Overview of the Modem Router
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
Back Panel with Ports, Buttons, and Connector
The back panel of the modem router provides ports, buttons, and a DC power connector. The
following figure shows only part of the back panel.
Figure 3. Modem router back panel
Viewed from left to right, the back panel contains the following components:
•USB port. One USB 2.0 port. (Another USB 2.0 port is located on the right side panel.)
•DSL port. One RJ-11 asynchronous DSL port for connecting the modem router to an
ADSL or VDSL line. This port is colored gray.
•Ethernet LAN ports. Four Gigabit Ethernet RJ-45 LAN ports to connect the modem
router to LAN devices. These ports are colored yellow.
•Internet port. One Gigabit Ethernet RJ-45 port to connect the modem router to a fiber or
cable modem. This port is colored red.
Note: You can use either the DSL port or the Internet port for WAN connectivity.
You cannot use both simultaneously.
•Reset button. For information about using the Reset button, see Use the Reset Button
on page 222.
•Power On/Off button. Press the Power On/Off button to provide power to the modem
router or to turn it off.
•DC power connector. Connect the power adapter that came in the product package to
the DC power connector.