D-Link DSL-2740B

D-Link Wireless N300 DSL Modem Router DSL-2740B User Manual

Model: DSL-2740B

Introduction

This manual provides comprehensive instructions for the installation, configuration, and operation of your D-Link Wireless N300 DSL Modem Router, model DSL-2740B. This device integrates an ADSL2+ modem, a wireless N router, and a 4-port Ethernet switch, offering a complete solution for high-speed internet access and network sharing.

Please read this manual thoroughly before setting up your device to ensure proper functionality and optimal performance.

Setup

1. Package Contents

Verify that your package contains the following items:

  • D-Link Wireless N300 DSL Modem Router (DSL-2740B)
  • Power Adapter
  • Ethernet Cable (RJ-45)
  • Phone Cable (RJ-11)
  • ADSL Splitter/Filter (may vary by region)
  • Quick Installation Guide

If any items are missing or damaged, please contact your local D-Link reseller.

2. Physical Connection

Follow these steps to connect your modem router:

  1. Power Off: Ensure your computer and any existing modem are powered off.
  2. DSL Line Connection: Connect one end of the phone cable (RJ-11) to the DSL port on the back of the DSL-2740B. Connect the other end to your ADSL wall jack or the 'MODEM' port on an ADSL splitter/filter.
  3. Ethernet Connection: Connect one end of the Ethernet cable (RJ-45) to any of the LAN ports (1-4) on the back of the DSL-2740B. Connect the other end to the Ethernet port on your computer.
  4. Power Connection: Connect the power adapter to the power input on the back of the DSL-2740B and then plug it into a power outlet.
  5. Power On: Press the power button on the back of the device. The Power LED on the front panel should illuminate.
Front view of the D-Link Wireless N300 DSL Modem Router DSL-2740B with LED indicators and two antennas.

Figure 1: Front view of the D-Link Wireless N300 DSL Modem Router DSL-2740B. This image displays the front of the D-Link DSL-2740B modem router, highlighting its status LEDs and two external antennas. The LEDs indicate power, DSL connection status, Internet activity, and LAN port activity.

3. Initial Configuration (Web Interface)

To access the modem router's web-based configuration utility:

  1. Open a web browser (e.g., Chrome, Firefox, Edge).
  2. In the address bar, type http://192.168.1.1 and press Enter.
  3. A login prompt will appear. Enter the default username and password (usually admin for both, or refer to the label on the device).
  4. Follow the on-screen setup wizard to configure your DSL connection settings (VPI/VCI, encapsulation type, username, password provided by your ISP) and wireless network settings (SSID, security key).

Operating Instructions

1. Connecting Devices

  • Wired Devices: Connect Ethernet-enabled devices (e.g., desktop computers, gaming consoles) to any of the four LAN ports on the back of the router using Ethernet cables.
  • Wireless Devices:
    1. On your wireless device (laptop, smartphone, tablet), search for available Wi-Fi networks.
    2. Select the SSID (network name) you configured during the initial setup.
    3. Enter the wireless password (security key) when prompted.
    4. The device should now be connected to your wireless network.

2. Wireless Network Configuration

You can modify your wireless network settings through the web interface:

  • SSID (Network Name): Change the default network name to a unique identifier.
  • Security Mode: It is recommended to use WPA2-PSK (AES) for the strongest security.
  • Pre-Shared Key (Password): Set a strong, unique password for your wireless network.
  • WPS (Wi-Fi Protected Setup): Use WPS for easy connection of compatible devices by pressing the WPS button on the router or entering a PIN.

Maintenance

1. Firmware Updates

Periodically check the D-Link support website for firmware updates. Firmware updates can improve performance, add new features, and fix security vulnerabilities. Follow the instructions provided with the firmware update file carefully.

2. Resetting the Device

If you encounter persistent issues or forget your login credentials, you may need to reset the device to factory default settings. Locate the reset button (usually a small pinhole) on the back of the router. With the device powered on, use a paperclip to press and hold the reset button for approximately 10 seconds until the LEDs flash. The device will restart with factory default settings.

3. Cleaning

Keep the modem router clean and free from dust. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.

Troubleshooting

Common Issues and Solutions:

  • No Power: Ensure the power adapter is securely connected to the device and a working power outlet. Check the Power LED.
  • No DSL Connection: Verify the phone cable is correctly connected to the DSL port and the wall jack/splitter. Ensure your ISP service is active. The DSL LED should be solid green.
  • No Internet Access: Check if the Internet LED is illuminated. If not, verify your ISP settings (username, password, VPI/VCI) in the web interface. Contact your ISP if the issue persists.
  • No Wireless Connection: Ensure the Wireless LED is illuminated. Check your device's Wi-Fi settings and ensure you are connecting to the correct SSID with the correct password.
  • Slow Performance:
    • Try restarting the modem router by unplugging it for 10 seconds and plugging it back in.
    • Ensure the router is placed in a central location, away from obstructions and interference sources (e.g., microwaves, cordless phones).
    • Check for firmware updates.

LED Indicators:

LED NameStatusDescription
PowerSolid GreenDevice is powered on.
DSLSolid GreenDSL connection is established.
DSLFlashing GreenAttempting to establish DSL connection.
InternetSolid GreenInternet connection is active.
InternetFlashing GreenData is being transmitted/received over the Internet.
LAN (1-4)Solid GreenA device is connected to the corresponding LAN port.
LAN (1-4)Flashing GreenData is being transmitted/received over the corresponding LAN port.
WLANSolid GreenWireless network is active.
WLANFlashing GreenData is being transmitted/received over the wireless network.

Specifications

  • Model: DSL-2740B
  • Device Type: ADSL2+ Modem, Wireless N Router, 4-Port Switch
  • Wireless Standard: 802.11n (backward compatible with 802.11g/b)
  • Wireless Speed: Up to 300 Mbps (N300)
  • ADSL Standard: ADSL2+
  • Ethernet Ports: 4 x 10/100 Mbps LAN ports (RJ-45)
  • DSL Port: 1 x RJ-11
  • Security: WPA, WPA2 Wireless Encryption, NAT and SPI Dual Active Firewall
  • Dimensions (LxWxH): Approximately 10.9 x 8.3 x 2.7 inches
  • Weight: Approximately 1.4 pounds
  • Operating System: D-Link OS
  • Special Feature: WPS

Warranty Information

D-Link products are covered by a limited warranty. The specific terms and duration of the warranty may vary by region and product. Please refer to the warranty card included with your product or visit the official D-Link website for detailed warranty information applicable to your purchase.

Technical Support

For technical assistance, product registration, or to download the latest drivers and firmware, please visit the official D-Link support website. Support resources typically include FAQs, troubleshooting guides, and contact information for technical support representatives.

D-Link Support Website: www.dlink.com/support

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