D-Link DNS-120 USB to Ethernet Network Storage Adapter Manual
Version 1.0 Building Networks for People Contents
Package Contents .................................................................................. 3
Introduction .............................................................................................. 4
Features .................................................................................................. 4
Hardware Overview ................................................................................. 5
Disconnect Button ................................................................................... 6
Reset Button ............................................................................................ 6
Using Easy Search ................................................................................. 7
DNS-120 Web Login Screen ................................................................ 13
Web Configuration Utility ....................................................................... 14
Scheduling ............................................................................................ 31
Networking Basics ................................................................................ 37
Technical Specifications ........................................................................ 50
Contacting Technical Support................................................................ 51
Warranty ................................................................................................ 52
2 Package Contents Contents of Package:
! D-Link USB to Ethernet Network Storage Adapter ! Power Adapter-DC 5V, 2.5A ! CD-ROM with manual ! Quick Installation Guide ! Ethernet Cable
If any of the above items are missing, please contact your reseller. Note: Using a power supply with a different voltage rating than the one included with the DNS-120 will cause damage and void the warranty for this product. System Requirements for Configuration:
! Computers with Windows OS XP/2000/Me with an installed
! Internet Explorer version 6.0 or above
The D-Link DNS-120 USB to Ethernet Network Storage Adapter is a convenient way to share data, media-rich files and resources on your network. With two USB ports, the DNS-120 allows you to plug in up to two USB drives, configure your file-sharing settings, and begin sharing storage on your network. Features
USB 1.1 and 2.0 compliant
10/100 Fast Ethernet LAN port with auto-MDI/MDIX
No software installation necessary
Built-in Web Configuration Utility
Built-in FTP server for remote access
Firmware Upgrade utility
USB drive to drive backup
Local PC to USB drive backup
Recurring and incremental backup
Easy Search utility for quick access to the DNS-120
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.
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
the included Ethernet cable. Adapter
5 Disconnect Button
The Disconnect button is located on the back panel of the DNS-120. This button will safely disconnect all attached USB drives on the DNS-120.
To safely remove a USB drive from the DNS-120, press the Disconnect button on the back panel until the USB LED blinks red. After the USB LED turns off, it is safe to remove all USB drives from the DNS-120. Note: If a USB drive remains attached to the DNS-120 after being disconnected, it will no longer be accessible. That USB drive must be reconnected in order to be available for access again.
To ensure that risk of data loss is minimized, it is important to make sure that no users are currently accessing files on the DNS-120 while disconnecting USB drives is in progress. Reset Button
To reset the DNS-120 to factory default settings, press the reset button for 5 seconds and release. The Ethernet LED will turn off momentarily, and then light green.
Wait approximately 30 seconds for the DNS-120 to complete the reset cycle before you begin using it again.
6 Using Easy Search
At any time, you can easily access and manage the DNS-120 with the convenient utility, Easy Search (provided on the Installation CD-ROM). Easy Search is a tool that allows you to easily find DNS-120 units for configuration and add USB drive content to the network for user access. To use Easy Search: 1. Insert the Installation CD-ROM into your computerâ€™s CD-ROM drive to initiate the Autorun program. The Autorun Screen of the Installation CD-ROM 2. Click the Easy Search item to launch the utility. The control panel will appear as shown on the following page.
Using Easy Search Server List This list will detect all DNS-120 units on the network. Each DNS-120 will be displayed on a separate line with the current IP address, Network Mask, and Gateway IP. Refresh Click this button to refresh or re-detect all DNS-120 units on the network. Configuration This is used to bring up the Web configuration utility of the DNS-120. To access the Web configuration utility, click on the desired DNS-120 unit in the Server List and then click on the Configuration button to bring up the Web configuration login screen.
8 Using Easy Search LAN LAN This section displays details of selected DNS-120 unit. To review the LAN settings, click on an available DNS-120 unit in the Server List. The LAN settings now appear in the appropriate fields in this section. DHCP Client The DNS-120 takes advantage of DHCP server presence on the network to automatically configure the LAN settings. Enabled â€“ The DNS-120 will request an IP address from the available DHCP server and configure the LAN settings automatically. The IP, Netmask, and
Gateway options will be disabled. Disabled â€“ The IP, Netmask, and Gateway fields will be enabled for the user
to enter in the LAN settings manually. Apply â€“ Click this button to put the changes to LAN settings into effect.
Using Easy Search LINK INFO LINK INFO This section lists all available shared folders on a USB drive attached to DNS-120. Click on the desired DNS-120 in the Server List. All available shared folders will be displayed in the Link Info List, along with the mapped drive letter (if any). At the userâ€™s option, any of the available shared folders may be mapped as a network drive letter to the local PC or to disconnect an existing mapped drive. MAP (CONNECT) A DNS-120 SHARED FOLDER AS A NETWORK DRIVE 1. Click on the desired shared folder in the Link Info list (will highlight in blue) 2. Select a network drive letter from the drop-down Network Drive option. Note that
some network drive letters may be unavailable. This will be indicated by a previously assigned network path next the drive letter.
3. Click the Connect button 4. If the shared folder has restricted user access, you will see the following:
Using Easy Search MAP (CONNECT) A DNS-120 SHARED FOLDER AS A NETWORK DRIVE (continued)
Enter in a valid user name and password. Press OK to continue or Cancel to reset the User name and Password fields. You will then see one of the following messages appear: Failure Notice Success Notice
If the user name and password entered is incorrect, you will see a failure notice (shown above). If the user name and password entered is valid, you will see a success notice (shown above).
5. To verify that the DNS-120 shared folder was mapped successfully, click on My Computers on the Windows desktop of the local PC. The mapped drive should appear under the Network Drives heading.
Using Easy Search DISCONNECT A MAPPED (CONNECTED) DRIVE Success Notice Failure Notice
1. Click on the desired shared folder in the Link Info list (will highlight in blue). 2. Click the Disconnect button. 3. You will see one of the above messages.
If the mapped drive was disconnected successfully, a success notice (shown above) will appear. If the mapped drive could not be successfully disconnected, a failure notice (shown above) with some possible reasons will appear.
4. To verify that the DNS-120 shared folder was disconnected successfully, click on My Computers on the Windows desktop of the local PC. The mapped drive should no longer appear.
12 DNS-120 Web Login Screen DNS-120 WEB LOGIN SCREEN
Access the Web login screen from the Easy Search utility. (Please see page 7).
This is the DNS-120 login screen for access to Download Scheduling and the Web Configuration. Enter your User Name and Password here.
For first-time configuration of DNS-120, enter â€śadminâ€ť for user name and leave the password field blank. Download Schedule After entering login information, click the Download Schedule button to access file/ folder backup and transfer configuration screen. All users have access to this section of the DNS-120 web configuration. Config After entering login information, click the Config button to access the DNS-120 web configuration utility. This section is restricted to only the Admin account. Reset Click this button to clear the User Name and Password fields.
13 Web Configuration Utility
This utility contains all of the settings and options available to configure the DNS-120. The utility is divided up into five tabbed sections. Each tabbed section includes a number of options represented by buttons on the left side. The Logout button remains present on every configuration page for instant logout of the utility. Home > Wizard Run Wizard Click this button to access the Setup Wizard. Please refer to the Quick Installation Guide that is included with the DNS-120 to learn more about the Setup Wizard. Help Click this button to get additional online help for the Setup Wizard.
Web Configuration Home > LAN LAN Settings This section contains all LAN settings to configure the DNS-120 to the network. Depending on how the network is set up, changes to this page may or may not be necessary. DHCP Client Clicking this option enables the DNS-120 to request an IP and auto-configure itself to the network if there is a DHCP Server present. By default, DHCP is enabled. Static IP Click this option if there is no DHCP Server present on the network and manually enter the network settings in the fields provided below this option.
IP Address â€“ Enter the static IP address
Subnet Mask â€“ Enter the Subnet Mask address
Gateway IP Address â€“ Enter the Gateway IP address
DNS1 and DNS2 (both optional) â€“ If available, enter those IP addresses here
If you need assistance in manually entering the above information, contact your network administrator for additional help in configuring the network settings.
Web Configuration Home > LAN (continued) NOTE: If DHCP Client is enabled, but there is no DHCP server, the DNS-120 will fall back to the default IP address of 192.168.0.101.
Once all changes to the LAN settings have been made, click the Apply button to put the changes into effect. The DNS-120 will then reboot itself. Wait approximately 30 seconds before attempting to log in again.
To clear any changes made to the settings and start over again, click the Cancel button. To access online help for the LAN Settings, click the Help button. Home > Device Device Settings These are additional settings to affect how the DNS-120 will appear on a Windows PC. The settings shown above are factory default and can be accepted with no further changes.
Workgroup â€“ Enter name of workgroup for the DNS-120
Name â€“ Enter name of the DNS-120 as it will appear in Windows
Description â€“ Enter brief description of this DNS-120 unit
Web Configuration Advanced > User User Accounts
This section will allow the Administrator to create additional user accounts. These accounts can then be used to access the Download Schedule section of the web configuration utility. ADD A USER ACCOUNT 1. Enter a unique user name 2. Enter a password associated with the user name 3. Re-Enter the password to confirm 4. Click Apply to save changes and add the user account
To reset the user account field and start over, click the Cancel button. To access online help for User Accounts, click the Help button.
Web Configuration Advanced > Folder Folder Settings This section will allow you to designate folders on attached USB drives as shared folders. Once shared, these folders can be mapped as a network drive using the Easy Search utility. Path To set the folder path, click the Open button to begin folder selection. A window will appear with a graphical representation of the folder structure on the USB drive(s).
18 Web Configuration Advanced > Folder (continued)
To select a folder, click on the sign next to the USB drive name to reveal all sub- folders available. When the folder you want is displayed, click on the folder name, scroll to the bottom of the folder structure, and verify the correct folder path listed. If the folder path is correct, click on the OK button to accept. Authority Select the Authority (commonly known as folder permissions) to set on the folder Read Only â€“ Users can access the files in the folder, but cannot make changes R/W (Read/Write) â€“ Users can access the files and can make changes Comment Enter a brief comment about the chosen folder (optional) Access Control This section determines which users can gain access to the folder. Allow All Users - Click this button to allow all users access to the folder Specific Users - Click this button to limit folder access to specified users. Multiple users may be chosen by holding down the Shift or Alt key and left- clicking on additional users listed in the User List Example:
Click the Apply button to save changes and designate as a shared folder.
To reset the Folder Settings options and start over, click the Cancel button. To access online help for Folder Settings, click the Help button.
Web Configuration Advanced > FTP Server FTP Server Settings This section will allow the Administrator to configure, stop, and start the built-in FTP server. The FTP server allows users outside of the network to access the DNS-120 through the Internet. Path To set the folder path, click the Open button to begin folder selection. A window will appear with a graphical representation of the folder structure on the USB drive(s). Refer to the previous section (Folder Settings) for directions on how to select a specific folder. Max Users Select the maximum number of users that can log onto the FTP server at the same time. The maximum number is limited to 10 simultaneous users. Anonymous Select Yes for Anonymous login. All users can log into the FTP server anonymously (user name: Anonymous, password: <none>). Select No for restricted access. Only registered user accounts (and appropriate password) created on the DNS-120 will be able to gain access to the FTP server.
20 Web Configuration Advanced > FTP Server (continued) Idle Time Select a period between 1-10 minutes before the DNS-120 logs out the current user from the FTP server. Flow Control Select Unlimited or enter a data rate (x10 KB) for restricted data flow. This setting is only necessary where network traffic is significant and can be affected by FTP server activity.
Click the Apply button to save changes and start the FTP server.
To reset the FTP Server options and start over, click the Cancel button. To access online help for FTP Server, click the Help button. NOTE: FTP Server port is set at 21. This cannot be changed. FTP Server Status Current FTP Server settings are reviewed in this section. If the FTP server is not started, click on the Start FTP Server button to start. If the FTP server has started, click on the Stop FTP Server button to stop. Disclaimer - 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.
Web Configuration Tools > Admin Administrator Settings Set a new password for the Administrator account.
1. Enter the current password for the Administrator (admin) account 2. Enter the new password for the Administrator account 3. Re-Enter the new password to confirm the change 4. Click Apply to accept the changes 5. A success notice will appear if the password change is successful
To reset the Administrator password settings and start over, click the Cancel button. To access online help for Administrator Settings, click the Help button
Web Configuration Tools > Time Time Settings This section will set the DNS-120 internal clock. It is important that accurate time is set for scheduled downloading and backup of files and folders.
Current Time is displayed in 24-hour format (e.g. 14:00 is 2:00pm). Current Date is displayed in Month/Day/Year format. Default NTP Server (Optional)
*NTP: Network Time Protocol synchronizes clocks on devices in the network, using Internet time servers. Set time from my computer The DNS-120 internal clock can be set according to the current time on the Administratorâ€™s local PC. Click the Set Time button to set the DNS-120 internal clock to the local PC time. Set the time The DNS-120 internal clock can be set manually. Select the appropriate date and time from the drop-down boxes provided. Click the Set Time button to set the DNS-120 internal clock to the changes made.
23 Web Configuration Tools > Time (continued) Time Zone Set the local time zone for the DNS-120 internal clock from the drop-down box. Daylight Savings Time If the local region where the DNS-120 is located observes Daylight Savings Time, select the appropriate region (US or EU) from the drop-down box. Otherwise choose the None option.
Click the Apply button to save time changes.
To reset the Time settings and start over, click the Cancel button. To access online help for Time Settings, click the Help button. NOTE: The DNS-120 internal clock does not have a battery. If power is interrupted or disconnected, the clock will not function till power is reapplied.
Web Configuration Tools > System System Settings This is a set of additional useful functions for the DNS-120. Restart This function will allow the Administrator to do a warm restart of the DNS-120, meaning a restart without disconnecting the power adapter. Click the Restart button to begin the process. The following message will appear before starting:
25 Web Configuration Tools > System (continued)
Click OK to restart. The restart will take approximately 1 minute before DNS-120 will be ready for use again. Click Cancel to abort this operation. Reset To Factory Default Settings This function will reset the DNS-120 to factory default settings. Make sure to write down any current DNS-120 settings or options that need to be re-applied after the reset is completed. Click the OK button to reset. The following message will appear before starting:
Click OK to begin reset. The reset will take approximately 1 minute before DNS-120 will be ready for use again. Click Cancel to abort this operation. Idle Time This setting will define how many minutes of idle time or inactivity elapses before DNS-120 logs out the current user from the Web configuration utility. System Inactivity Timer â€“ Specify amount of idle time (up to 999 minutes) for the Web Config section. Download Schedule Inactivity Timer â€“ Specify amount of idle time (up to 999 minutes) for the Download Schedule section.
Click the Apply button to Idle Time changes.
To reset the Idle Time settings and start over, click the Cancel button. To access online help for System Settings, click the Help button.
Web Configuration Tools > Firmware Firmware Upgrade This section allows the Administrator to upgrade the firmware on the DNS-120. Upgrading the firmware will incorporate the latest fixes, additional features, and better performance.
1. Visit the D-Link support site and download the latest firmware upgrade file 2. Save the firmware upgrade file to your desktop or other convenient location on the
3. Click on the Browse button and locate the firmware upgrade file on the hard drive.
The DNS-120 firmware upgrade file will have a .D-Link file name extension.
4. Click Apply to begin the upgrade process 5. The progress bar for the upgrade process is located towards the bottom right of
this screen. See below for appearance:
6. After the upgrade is complete, you will see the following message:
Web Configuration Tools > Firmware (continued)
7. Click Restart to complete the firmware upgrade. The upgrade completion will take
approximately 1 minute before DNS-120 will be ready for use again.
Web Configuration Status > Device Info Device Information This section will show the current DNS-120 network and folder status. For additional online help, click the Help button.
Web Configuration Help
This section lists all of the available help topics for reference. Click on a topic to view the online help information.
This function will allow the user to set up scheduled folder or file transfer and backup jobs. To access the Scheduling function, access the DNS-120 login screen, provide a valid user name and password, and click on Download Schedule to access this function.
To access the Scheduling function, click on Logout in any configuration screen.
The Login screen will appear. Fill in the fields and click Download Schedule.
The Scheduling screen will appear. Please see the following page for a description of this feature.
Scheduling Login Method Select the appropriate login method to access files for download
Â· Account â€“ If the download site employs restricted access, check this button and enter in the User Name and Password in the appropriate fields provided below this button.
Â· Anonymous â€“ Click this button if this job is a local (drive/PC to drive) backup or the download site does not require any login information. Type Select the appropriate type of content for download or backup
Â· File â€“ Click this button if a single file is being transferred
Â· Folder â€“ Click this button if an entire folder of files is being transferred URL Enter a valid URL to the remote location from which you wish to initiate a file or folder transfer. To initiate a remote FTP or HTTP file or folder transfer, refer to the following examples of valid URL formats:
ftp://22.214.171.124/Test (for a folder transfer)
ftp://126.96.36.199/Test/hello.txt (for a single file transfer)
http://www.abc123.org/Test (transfer from an HTTP site)
To initiate a local PC (same network as DNS-120) file or folder transfer, refer to the following example of the valid URL format.
The local PCâ€™s internal IP address must be known and be accessible to the DNS-120 on the network. Test This button is provided to test the given URL to make sure it is a valid. If the URL is valid, you will see one of the message boxes below: URL Valid
This screen will display if the URL is valid. File size will either be a figure in bytes (single file transfer) or â€śUnknownâ€ť (folder transfer).
Scheduling Test (continued) URL Invalid This screen will display if the URL is invalid. Check your settings and login method and try again. Local This button will let you set the local (USB drive attached to DNS-120) folder. When you click on the button, a window will appear with a graphical representation of the folder structure on the USB drive(s).
To select a folder, click on the sign next to the USB drive name (shown above) to reveal all sub-folders available. When the folder you want is displayed, click on the folder name, scroll to the bottom of the folder structure, and verify the correct folder path listed. If the folder path is correct, click on the OK button to accept.
If you wish to specify a single file to transfer, follow the above process to select the desired folder and then manually type in the file name at the end of the folder path displayed in the URL field.
33 Scheduling Save To Enter a valid destination folder path to an attached USB drive on DNS-120. Click on the Open button to begin this process. Refer to the image on the previous page and the corresponding description on how to select the desired destination folder. When Enter the date and time you wish the file or folder transfer to commence. The current date and time according the DNS-120 internal clock will be displayed in the various drop-down boxes that appear as a reference point. The format of the date is Year/ Month/Day. The time is set and displayed in 24 hour format. Recurring Backup If the backup is to happen unattended at regular intervals, then designate the appropriate interval (e.g. daily, weekly, or monthly) and specific time for the backup to occur. Example: In the figure below, the recurring backup will be performed every Wednesday at 17:00 or 5:00pm.
Options for specific day and month will appear when the appropriate time period is chosen. Recurring backup jobs will commence with the next occurrence of the time interval chosen. For example, in the example above, if the above backup was configured on a Thursday, the DNS-120 will wait until the following Wednesday to begin the backup. Incremental Backup By default all backups and file/folder transfers are in Overwrite mode. This means that files at the destination drive/folder with identical names will be written over by the source files. If the Incremental Backup option is checked, then DNS-120 will compare identical file names at source and destination by Last Modified Date/Time and overwrite the destination if the source is more recent. Note: Incremental Backup is not available for HTTP or FTP transfers as the Last Modified Date/Time is not accessible at the remote location. Apply Click this button to accept the settings and create the scheduled transfer or backup. Cancel Click this button to reset the settings to default values.
Scheduling DISCLAIMER Unless additional precautions are taken, use of this function 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 transfer session Help Click this button to bring up the help files for Scheduling in a separate window.
The Schedule List (shown above) will display all completed, active, and pending sched- uled transfer or backup jobs. Additional options are available to initiate or cancel an active or pending backup job immediately
Scheduling Scheduling > Status
The Status Schedule List will show additional details on all completed, active, and pending scheduled transfer or backup jobs. Scheduling > Help
Click on any of the topics listed to obtain more detailed information.
36 Networking Basics Using the Network Setup Wizard in Windows XP
In this section you will learn how to establish a network at home or work, using Microsoft Windows XP. Note: Please refer to websites such as http://www.homenethelp.com and http://www.microsoft.com/windows2000 for information about networking computers using Windows 2000/Me/98SE.
Go to Start>Control Panel>Network Connections. Select Set up a home or small office network.
When this screen appears, click Next.
Please follow all the instructions in this window:
In the following window, select the best description of your computer. If your computer connects to the Internet through a router, select the second option as shown.
Enter a Computer description and a Computer name (optional.)
Enter a Workgroup name. All computers on your network should havethe same Workgroup name.
Please wait while the Network Setup Wizard applies the changes.
When the changes are complete, click Next.
Please wait while the Network Setup Wizard configures the computer. This may take a few minutes.
In the window below, select the option that fits your needs. In this example, Create a Network Setup Disk has been selected. You will run this disk on each of the computers on your network. Click Next.
Insert a disk into the Floppy Disk Drive, in this case drive A.
Please read the information under Hereâ€™s how in the screen below. After you
complete the Network Setup Wizard you will use the Network Setup Disk to
run the Network Setup Wizard once on each of the computers on your network. To continue click Next.
Please read the information on this screen, then click Finish to complete the Network Setup Wizard.
The new settings will take effect when you restart the computer. Click Yes to restart the computer.
You have completed configuring this computer. Next, you will need to run the Network Setup Disk on all the other computers on your network. After running the Network Setup Disk on all your computers, your new wireless network will be ready to use.
Networking Basics Naming Your Computer
To name your computer in Windows XP, please follow these directions:
! Click Start (in the lower left corner of the screen).
! Right-click on My Computer. ! Select Properties.
! Select the Computer Name Tab in the
! You may enter a Computer Description
if you wish; this field is
! To rename the computer
and join a domain, click Change.
Networking Basics Naming Your Computer
! In this window, enter the Computer name.
! Select Workgroup and
enter the name of the Workgroup.
! All computers on your
network must have the
same Workgroup name.
! Click OK. Checking the IP Address in Windows XP
All wireless adapter-equipped computers in your network must be in the same
IP address range (see Getting Started in this manual for a definition of IP
address range.) To check on the IP address of an adapter, please do the
! Right-clickon the Local Area Connection icon in the task bar.
! Clickon Status.
Networking Basics Checking the IP Address in Windows XP
This window will appear.
Click the Support tab.
Click Close. Assigning a Static IP Address in Windows XP/2000 Note: Many broadband routers will automatically assign IP addresses to the computers on the network, using DHCP (Dynamic Host Configuration Protocol) technology. If you are using a DHCP-capable router you will not need to assign static IP addresses. If you are not using a DHCP capable router, or you need to assign a static IP
address, please follow these instructions:
Go to Start.
Click on Control Panel.
Networking Basics Assigning a Static IP Address in Windows XP/2000
! Double-click on Network Connections.
! Right-click on Local Area Connections.
! Click on Properties.