This product works with the following
operating system software:
Express EtherNetwork™
Windows XP, Windows 2000,
USB to Ethernet
Windows Me
Network Storage Adapter
Before You Begin
• You must have an Ethernet Network and a USB storage device.
The DNS-120 is DHCP enabled by default. If a DHCP server is not detected on your
network, the DNS-120 will automatically configure itself with a static IP address of Additional IP configuration is necessary if this default IP address is not
within the range of your existing network. Please refer to the page 37 of the User Manual
on the CD-ROM for details.
Check Your Package Contents
DNS-120 Express EtherNetwork™ USB to Ethernet
Network Storage Adapter

CD-ROM with Manual and Software
Ethernet (CAT5 UTP) Cable
Using a power supply
with a different voltage
5V 2.5A DC Power Adapter rating will damage and void the
warranty of this product.
If any of the above items are missing, please contact your reseller.
©2004 D-Link Systems, Inc. All rights reserved. Trademarks or registered trademarks are the property of their respective holders.
Software and specifications subject to change without notice. DNS-120.009092004

Hardware Overview
Front Panel
USB LED: The USB LED will blink green when
a USB drive is being connected. When the
USB drive is fully connected the USB LED
will appear solid green. The USB LED blinks
red when the drive is being disconnected.
Power LED: Solid green
Ethernet LED: Solid green
indicates a good power
indicates an Ethernet connection.
source connection.
Blinking green indicates activity on
the Ethernet network.
Rear Panel
Disconnect button: Press this
Reset button: This button
button to safely disconnect USB
will restore the DNS-120
drives from the DNS-120.
factory default settings.
USB Ports: Connects
Ethernet Port: Connects to
Receptor for the
your USB drives to
your router or switch using
provided Power
the DNS-120.
the included Ethernet cable.

Hardware Installation
Attach the provided Ethernet
cable to the Ethernet Port on the
rear panel of the DNS-120.

Attach the other end of the
provided Ethernet cable to an
available Ethernet port on your
router or switch.

Attach the Power Adapter to the
power receptor on the rear
panel of the DNS-120.

Attach your USB drive(s) to the
USB port(s) on the rear panel of
the DNS-120.


Configuring the DNS-120
Insert the DNS-120 CD-ROM into
your CD-ROM drive.
Click on Launch D-Link
Easy Search Utility

Select the DNS-120
Click the Configuration button

Configuring the DNS-120 (continued)
The logon screen will appear.
Type admin for the User
Name and leave the
Password field blank.
Click Config
Once you have logged in, the
Home screen will appear.
Click Run Wizard

Configuring the DNS-120 (continued)
You will see the
following screen.
Click Next
Set up your new password.
You have the option to
establish a password. There is
no password by default.
Click Next
Choose your Time Zone.
Select the appropriate time
zone from the pull-down menu.
Click Next

Configuring the DNS-120 (continued)
Select LAN Connection Type
Leave DHCP Client enabled if
your network contains a DHCP
server. If not, select Static IP and
enter the IP address information
to be used for the DNS-120. The
IP address of the DNS-120
should be in the same range as
your network.
Click Next
Set Additional Information
Enter the workgroup name of
your network. Enter a name for
the DNS-120. Enter a description
for the DNS-120.
Click Next
Click Restart
The DNS-120 Setup Wizard is complete! Please close all web browser windows. Use the
Easy Search Utility to locate and continue further configuration of the DNS-120.

Mapping Drive Letters
Launch the D-Link Easy Search Utility as shown on page 4.
Select the appropriate folder
Select a drive letter to assign.
Click the Connect button.
A message will appear indicating the
success of the operation.
Disconnecting Drives

Press the Disconnect button on the rear panel of the DNS-120.

The USB LED will flash red for a few seconds and turn off.

You may now safely remove both USB drives.
NOTE: Both drives are disconnected when the Disconnect button is pressed. You must
remove both drives from the USB ports. This is a safety feature to reduce the risk of
data loss. After both drives have been removed you may reconnect a drive at any time.

Enabling FTP Access
You can enable FTP access to allow Internet/Intranet users FTP access to the drive(s) or
folder(s) that you want to share.
Unless additional precautions are taken, use of an FTP server to access files over the
Internet does not provide secure or encrypted transmission. It is recommended that
the end user utilize a Virtual Private Network (VPN) to establish a secure FTP session.
Select the DNS-120
Click the Configuration button
Select the Advanced tab
Select the FTP Server button
Click the Open button

Enabling FTP Access (continued)
Select a volume or folder
Click OK
Press apply to save settings
and start the FTP server.
The FTP Server Status is
displayed at the bottom of
the screen. Scroll down to
confirm the FTP Server has
been started.

Enabling FTP Access (continued)
The DNS-120 uses the standard
FTP port assignment of 21. You
will need to adjust your router’s
virtual server configuration to
include the DNS-120 FTP server
IP and port. Additional filtering
and firewall settings may need
to be modified on your router to
allow Internet access to the
After configuring your router and
DNS-120, you should be able to
FTP to the DNS-120 using a web
browser or FTP client.

Technical Support
You can find software updates and user documentation on the D-Link website.
D-Link provides free technical support for customers within the United States and
within Canada for the duration of the warranty period on this product.
U.S. and Canadian customers can contact D-Link technical support through our
website, or by phone.
Tech Support for customers within the United States:
D-Link Technical Support over the Telephone:
(877) 453-5465
24 hours a day, seven days a week.
D-Link Technical Support over the Internet:
Tech Support for customers within Canada:
D-Link Technical Support over the Telephone:
(800) 361-5265
Monday to Friday 7:30am to 12:00am EST
D-Link Technical Support over the Internet: