D-Link reserves the right to revise this publication and to make changes in the content hereof without obligation to
notify any person or organization of such revisions or changes.
Manual Revisions
RevisionDateDescription
1.0
May 25th, 2010• First release version
Trademarks
D-Link and the D-Link logo are trademarks or registered trademarks of D-Link Corporation or its subsidiaries in the
United States or other countries. All other company or product names mentioned herein are trademarks or registered
trademarks of their respective companies.
Note: Using a power supply with a different voltage rating than the one included
with the DIR-603 will cause damage and void the warranty for this product.
The product must be used with the power adapter included with the device.
Product Overview
Package Contents
Note: Always attach the power cord plug to the power supply, before inserting
the power cord and connected power supply to the wall outlet.
System Requirements
• Ethernet-based Cable or DSL Modem
• Computers with Windows®, Macintosh®, or Linux-based operating systems with an installed Ethernet
adapter
• Internet Explorer 6 or Firefox 2.0 or above (for conguration)
Note: Using a power supply with a different voltage rating than the one included with the DIR-603 will cause damage and void the warranty for this
product.
1D-Link DIR-603 User Manual
Section 1 - Product Overview
System Requirements
Network Requirements
Web-based Conguration
Utility Requirements
• An Ethernet-based Cable or DSL modem
• IEEE 802.11n/g wireless clients
• 10/100 Ethernet
Computer with the following:
• Windows®, Macintosh, or Linux-based operating
system
• An installed Ethernet adapter
Browser Requirements:
• Internet Explorer 6.0 or higher
• Mozilla 1.7.12 or higher
• Firefox 1.5 or higher
• Safari 1.0 or higher (with Java 1.3.1 or higher)
• Flock 0.7.14 or higher
• Opera 6.0 or higher
Windows® Users: Make sure you have the latest version
of Java installed. Visit www.java.com to download the
latest version.
2D-Link DIR-603 User Manual
Section 1 - Product Overview
• Faster Wireless Networking - The DIR-603 provides up to 150Mbps* wireless connection with other
802.11n wireless clients. This capability allows users to participate in real-time activities online, such as
video streaming, online gaming, and real-time audio.
• Compatible with 802.11g Devices - The DIR-603 is still fully compatible with the IEEE 802.11g standard,
so it can connect with existing 802.11g PCI, USB and Cardbus adapters.
• Advanced Firewall Features - The Web-based user interface displays a number of advanced network
management features including:
• Content Filtering - Easily applied content ltering based on URL, and/or Domain Name.
• Secure Multiple/Concurrent Sessions - The DIR-603 can pass through VPN sessions. It
supports multiple and concurrent IPSec and PPTP sessions, so users behind the DIR-603
can securely access corporate networks.
Features
• Easy Setup Wizard - Through its easy-to-use Web-based user interface, the DIR-603 lets you control
what information is accessible to those on the wireless network, whether from the Internet or from your
company’s server. Congure your router to your specic settings within minutes.
* Maximum wireless signal rate derived from IEEE Standard 802.11g and Draft 802.11n specications. Actual data throughput will vary. Network conditions and
environmental factors, including volume of network trafc, building materials and construction, and network overhead, lower actual data throughput rate. Environmental
conditions will adversely affect wireless signal range.
3D-Link DIR-603 User Manual
Section 1 - Product Overview
LAN Ports
Connect Ethernet devices such as
computers, switches, and hubs.
Hardware Overview
Connections
Internet Port
The auto MDI/MDIX Internet port is
the connection for the Ethernet cable
to the cable or DSL modem.
WPS
Power Receptor
Receptor for the supplied power
adapter.
Reset
Pressing the Reset button restores the router to
its original factory default settings.
4D-Link DIR-603 User Manual
Section 1 - Product Overview
Hardware Overview
LEDs
WLAN LED
A solid light indicates that the wireless
segment is ready. This LED blinks
during wireless data transmission.
Power LED
A solid light indicates a
proper connection to the
power supply.
WPS LED
A blinking light indicates that the DAP-1560
is performing the WPS function.
5D-Link DIR-603 User Manual
Section 2 - Installation
Installation
This section will walk you through the installation process. Placement of the router is very important. Do not place the
router in an enclosed area such as a closet, cabinet, or in the attic or garage.
Before you Begin
• Please congure the router with the computer that was last connected directly to your modem.
• You can only use the Ethernet port on your modem. If you were using the USB connection before using
the router, then you must turn off your modem, disconnect the USB cable and connect an Ethernet cable
to the Internet port on the router, and then turn the modem back on. In some cases, you may need to
call your ISP to change connection types (USB to Ethernet).
• If you have DSL and are connecting via PPPoE, make sure you disable or uninstall any PPPoE software
such as WinPoet, Broadjump, or Enternet 300 from your computer or you will not be able to connect to
the Internet.
6D-Link DIR-603 User Manual
Section 2 - Installation
Wireless Installation Considerations
The D-Link wireless router lets you access your network using a wireless connection from virtually anywhere within
the operating range of your wireless network. Keep in mind, however, that the number, thickness and location of
walls, ceilings, or other objects that the wireless signals must pass through, may limit the range. Typical ranges vary
depending on the types of materials and background RF (radio frequency) noise in your home or business. The key
to maximizing wireless range is to follow these basic guidelines:
1. Keep the number of walls and ceilings between the D-Link router and other network devices to a
minimum - each wall or ceiling can reduce your adapter’s range from 3-90 feet (1-30 meters.) Position
your devices so that the number of walls or ceilings is minimized.
2. Be aware of the direct line between network devices. A wall that is 1.5 feet thick (.5 meters), at a
45-degree angle appears to be almost 3 feet (1 meter) thick. At a 2-degree angle it looks over 42 feet
(14 meters) thick! Position devices so that the signal will travel straight through a wall or ceiling (instead
of at an angle) for better reception.
3. Building Materials make a difference. A solid metal door or aluminum studs may have a negative effect on
range. Try to position access points, wireless routers, and computers so that the signal passes through
drywall or open doorways. Materials and objects such as glass, steel, metal, walls with insulation, water
(sh tanks), mirrors, le cabinets, brick, and concrete will degrade your wireless signal.
4. Keep your product away (at least 3-6 feet or 1-2 meters) from electrical devices or appliances that
generate RF noise.
5. If you are using 2.4GHz cordless phones or X-10 (wireless products such as ceiling fans, lights, and
home security systems), your wireless connection may degrade dramatically or drop completely. Make
sure your 2.4GHz phone base is as far away from your wireless devices as possible. The base transmits
a signal even if the phone in not in use.
7D-Link DIR-603 User Manual
Section 2 - Installation
Connect to Cable/DSL/Satellite Modem
If you are connecting the router to a cable/DSL/satellite modem, please follow the steps below:
1. Place the router in an open and central location. Do not plug the power adapter into the router.
2. Turn the power off on your modem. If there is no on/off switch, then unplug the modem’s power adapter. Shut down
your computer.
3. Unplug the Ethernet cable (that connects your computer to your modem) from your computer and place it into the
Internet port on the router.
4. Plug an Ethernet cable into one of the four LAN ports on the router. Plug the other end into the Ethernet port on
your computer.
5. Turn on or plug in your modem. Wait for the modem to boot (about 30 seconds).
6. Plug the power adapter to the router and connect to an outlet or power strip. Wait about 30 seconds for the router
to boot.
7. Turn on your computer.
8. Verify the link lights on the router. The power light, Internet light, and the LAN light (the port that your computer is
plugged into) should be lit. If not, make sure your computer, modem, and router are powered on and verify the cable
connections are correct.
9. Skip to page 11 to congure your router.
8D-Link DIR-603 User Manual
Section 2 - Installation
Connect to Another Router
If you are connecting the D-Link router to another router to use as a wireless access point and/or switch, you will have
to do the following before connecting the router to your network:
• Disable UPnP
• Disable DHCP
• Change the LAN IP address to an available address on your network. The LAN ports on the router cannot
accept a DHCP address from your other router.
To connect to another router, please follow the steps below:
1. Plug the power into the router. Connect one of your computers to the router (LAN port) using an Ethernet cable.
Make sure your IP address on the computer is 192.168.0.xxx (where xxx is between 2 and 254). Please see the
Networking Basics section for more information. If you need to change the settings, write down your existing settings
before making any changes. In most cases, your computer should be set to receive an IP address automatically in
which case you will not have to do anything to your computer.
2. Open a web browser and enter http://192.168.0.1 and press Enter. When the login window appears, set the user
name to Admin and leave the password box empty. Click Log In to continue.
3. Click on Advanced and then click Advanced Network. Uncheck the Enable UPnP checkbox. Click Save Settings
to continue.
™
4. Click Setup and then click Network Settings. Uncheck the Enable DHCP Server server checkbox. Click Save Settings to continue.
5. Under Router Settings, enter an available IP address and the subnet mask of your network. Click Save Settings to
save your settings. Use this new IP address to access the conguration utility of the router in the future. Close the
browser and change your computer’s IP settings back to the original values as in Step 1.
9D-Link DIR-603 User Manual
Section 2 - Installation
6. Disconnect the Ethernet cable from the router and reconnect your computer to your network.
7. Connect an Ethernet cable in one of the LAN ports of the router and connect it to your other router. Do not plug
anything into the Internet port of the D-Link router.
8. You may now use the other 3 LAN ports to connect other Ethernet devices and computers. To congure your wireless
network, open a web browser and enter the IP address you assigned to the router. Refer to the Conguration and WirelessSecurity sections for more information on setting up your wireless network.
10D-Link DIR-603 User Manual
Section 3 - Conguration
Conguration
This section will show you how to congure your new D-Link wireless router using the web-based conguration
utility.
Web-based Conguration Utility
To access the Easy Setup Wizard or conguration utility,
open a web-browser such as Internet Explorer and enter
the IP address of the router (192.168.0.1). DIR-603 will
detect WAN connection type.
11D-Link DIR-603 User Manual
Section 3 - Conguration
Easy Setup Wizard
Once logged into the web interface of the router, Easy Setup Wizard will appear and perform WAN auto detection for
the type of Internet connection.
12D-Link DIR-603 User Manual
Section 3 - Conguration
According to the detection result, the wizard will
indicate the type of Internet connection that you’re
currently use.
You can configure your wireless network. Click
Congure button in Wireless Settings. Select the
type of Wireless security you use (Disable Wireless
Security or AUTO-WPA/WPA2) and enter the
network name (SSID, Service Set Identier) and
security password. The network name(SSID) is the
name of your wireless network. Create a name using
up to 32 characters.
If the type is Dynamic IP(DHCP), click Save to
continue.
If the type is PPPoE, enter your PPPoE username
and password. Click Next to continue.
If the type is Static IP, please enter the IP
address, subnet mask, gateway, and DNS server
addresses that your ISP assigned to you. Click
Connect to continue.
Note: Make sure to remove your PPPoE software
from your computer. The software is no longer
needed and will not work through a router.
13D-Link DIR-603 User Manual
Section 3 - Conguration
In the nal stage of Easy setup wizard, the summary
will show your current conguration. Click Save to
complete the setting.
When the internet connectivity is established, the
webpage will be redirected to D-Link Website.
14D-Link DIR-603 User Manual
Section 3 - Conguration
Manual Conguration
Dynamic (Cable)
If you opt to set up your Internet connection manually, you will be redirected to a WAN page that allows you to select
your Internet type and enter the correct conguration parameters.
Select your Internet connection type using the “My Internet Connection is” drop-down menu.
Click the Save Settings button when you have
congured the connection.
Access Point
Mode:
Internet
Connection
Type:
Use this mode to disable NAT on the router and turn it into
an Access Point
Select your Internet connection type using the “Internet
connection type” drop-down menu.
15D-Link DIR-603 User Manual
Section 3 - Conguration
Dynamic IP Address (DHCP)
My Internet
Connection:
Host Name:
DNS Addresses:
MTU:
MAC Address:
Select Dynamic IP (DHCP) to obtain IP Address information
automatically from your ISP. Select this option if your ISP does
not give you any IP numbers to use. This option is commonly
used for Cable modem services.
The Host Name is optional but may be required by some ISPs.
Enter the Primary DNS server IP address assigned by your ISP.
Maximum Transmission Unit - you may need to change the
MTU for optimal performance with your specic ISP. 1500 is
the default MTU.
The default MAC Address is set to the Internet port’s physical
interface MAC address on the Broadband Router. It is not
recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC’s MAC Address button to replace the Internet port’s MAC address with the MAC address of your Ethernet card.
16D-Link DIR-603 User Manual
Section 3 - Conguration
PPPoE (DSL)
Choose PPPoE (Point to Point Protocol over Ethernet) if your ISP uses a PPPoE connection. Your ISP will provide
you with a username and password. This option is typically used for DSL services. Make sure to remove your PPPoE
software from your computer. The software is no longer needed and will not work through a router.
My Internet
Connection:
Address Mode:
IP Address:
User Name:
Password:
Service Name:
Reconnection Mode:
Maximum Idle Time:
Select PPPoE (Username/Password) from the drop-
down menu.
Select Static if your ISP assigned you the IP address,
subnet mask, gateway, and DNS server addresses.
In most cases, select Dynamic.
Enter the IP address (Static PPPoE only).
Enter your PPPoE user name.
Enter your PPPoE password and then retype the
password in the next box.
Enter the ISP Service Name (optional).
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet
connection is maintained during inactivity. To disable
this feature, enable Auto-reconnect.
DNS Addresses:
MTU:
MAC Address:
Enter the Primary and Secondary DNS Server Addresses (Static PPPoE only).
Maximum Transmission Unit - you may need to change the MTU for optimal performance with your specic ISP. 1492 is the default
MTU.
The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not
recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC’s MAC Address button to replace the Internet port’s MAC address with the MAC address of your Ethernet card.
17D-Link DIR-603 User Manual
Section 3 - Conguration
Static IP Address
Select Static IP Address if all the Internet port’s IP information is provided to you by your ISP. You will need to enter in the IP address,
subnet mask, gateway address, and DNS address(es) provided to you by your ISP. Each IP address entered in the elds must be in the
appropriate IP form, which are four octets separated by a dot (x.x.x.x). The Router will not accept the IP address if it is not in this format.
IP Address:
Subnet Mask:
Default Gateway:
DNS Servers:
MTU:
MAC Address:
Enter the IP address assigned by your ISP.
Enter the Subnet Mask assigned by your ISP.
Enter the Gateway assigned by your ISP.
The DNS server information will be supplied by your ISP (Internet
Service Provider.)
Maximum Transmission Unit - you may need to change the MTU
for optimal performance with your specic ISP. 1500 is the default
MTU.
The default MAC Address is set to the Internet port’s physical
interface MAC address on the Broadband Router. It is not
recommended that you change the default MAC address unless
required by your ISP. You can use the Clone Your PC’s MAC Address button to replace the Internet port’s MAC address with
the MAC address of your Ethernet card.
18D-Link DIR-603 User Manual
Section 3 - Conguration
Wireless Settings
If you want to congure the wireless settings on your
router using the wizard, click Wireless Connection Setup Wizard and refer to page 51.
If you want to manually congure the wireless settings
on your router click ManualWireless Network Setup
and refer to the next page.
19D-Link DIR-603 User Manual
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