1. Уводзіны
This user manual provides comprehensive instructions for the installation, configuration, operation, and maintenance of your D-Link DSL-2750U Wireless N 300 ADSL2+ Router. Please read this manual carefully before using the device to ensure proper setup and optimal performance. Keep this manual for future reference.
2. Прадукт скончыўсяview
2.1. Асноўныя магчымасці
- Integrated ADSL2+ Modem and Wireless N Router.
- High-speed wireless connectivity up to 300 Mbps.
- Four 10/100 LAN ports for wired connections.
- Quality of Service (QoS) for traffic prioritization.
- Advanced security features: WEP, WPA, WPA2, WPS, Parental Controls, Packet Filtering, IP filtering, MAC address binding.
- Support for guest networks.
- USB port for network storage (SAMBA server functionality).
- Compatible with major Indian ISPs like BSNL, MTNL, Airtel, TATA.
2.2. Змесціва ўпакоўкі
Пераканайцеся, што ваш пакет змяшчае наступныя элементы:
- D-Link DSL-2750U Wireless N 300 ADSL2+ Router
- Адаптар сілкавання
- Ethernet Cable (Cat 5e patch cable)
- Тэлефонны кабель
- ADSL Splitter
- Setup CD/Disc
- Кароткае кіраўніцтва па ўстаноўцы
- Гарантыйны буклет
If any items are missing or damaged, please contact your retailer or D-Link customer support.
2.3. Фізічны апісанне

Малюнак 1: Спераду view of the D-Link DSL-2750U router. It features a sleek black design with indicator lights on the front panel for power, DSL, Internet, WLAN, LAN, and WPS status. Two external antennas are visible at the rear sides.

Малюнак 2: Назад view of the D-Link DSL-2750U router. From left to right, it shows the DSL port (RJ-11), four LAN ports (RJ-45), a USB port, WPS button, ON/OFF switch, and the power input (12V=1A).
3. Кіраўніцтва па наладцы
3.1. Апаратнае падключэнне
- Connect the ADSL Line: Connect one end of the telephone cable to the DSL port on the router and the other end to the ADSL splitter. Connect the ADSL splitter to your telephone wall jack.
- Падключэнне да кампутара (неабавязкова): For initial setup, connect one end of the Ethernet cable to any of the LAN ports (1-4) on the router and the other end to the Ethernet port on your computer.
- Падключыце харчаванне: Connect the power adapter to the router's power input and plug it into a power outlet. Press the ON/OFF switch to power on the router.
- Праверце святлодыёдныя індыкатары: Wait for the Power and DSL LEDs to turn solid green. The Internet LED will light up once the internet connection is established.
3.2. Пачатковая канфігурацыя (Web Інтэрфейс)
- Маршрутызатар доступу: Адкрыйце a web browser (e.g., Chrome, Firefox) and type the router's default IP address (usually
192.168.1.1or192.168.0.1) у адрасны радок і націсніце Enter. - Лагін: Enter the default username (e.g.,
admin) і пароль (напрыклад,adminor blank). Refer to the sticker on the bottom of your router for default credentials. - Запусціце майстар налады: У маршрутызатара web interface will typically launch a setup wizard. Follow the on-screen prompts.
- Налады інтэрнэт-правайдэра: Select your country (India) and Internet Service Provider (e.g., BSNL). Enter your ISP-provided username and password for your ADSL connection.
- Налады бесправадной сувязі: Configure your Wi-Fi network name (SSID) and a strong password (WPA2-PSK recommended).
- Захаваць налады: Save your configuration and restart the router if prompted.
4. Інструкцыя па эксплуатацыі
4.1. Wireless Network Management
After initial setup, you can modify your wireless settings through the web інтэрфейс:
- Змяніць SSID: Modify your Wi-Fi network name.
- Змяніць пароль: Update your Wi-Fi password regularly for security.
- Рэжым бяспекі: Ensure WPA2-PSK is selected for optimal security.
- Гасцявая сетка: Create a separate Wi-Fi network for guests to provide internet access without compromising your main network's security.
4.2. Якасць абслугоўвання (QoS)
The QoS feature allows you to prioritize network traffic, ensuring that critical applications (like video calls or online gaming) receive sufficient bandwidth. Access the QoS settings in the web interface to configure rules based on application, IP address, or port.
4.3. Пашыраныя функцыі бяспекі
The router offers various security options to protect your network:
- Брандмаўэр: Built-in firewall (SPI, NAT) protects against unauthorized access.
- Бацькоўскі кантроль: Manage internet access for specific devices or during certain times.
- Packet Filtering: Control data packets based on source/destination IP, port, or protocol.
- IP Filtering & MAC Address Binding: Restrict network access to specific devices.
- WPS (абароненая ўстаноўка Wi-Fi): Allows for easy connection of WPS-compatible devices.
4.4. Функцыянальнасць порта USB
The USB port on the back of the router supports connecting a USB storage device (e.g., pen drive). You can configure a SAMBA server through the router's web interface to allow devices on your network to access files stored on the connected USB drive.
5. Тэхнічнае абслугоўванне
5.1. Абнаўленне прашыўкі
Regularly updating the router's firmware is crucial for performance, security, and stability. Visit the official D-Link support website for your region to check for the latest firmware version for your DSL-2750U model. Follow the instructions provided by D-Link for the update process. Папярэджанне: Do not power off the router during a firmware update.
5.2. Уборка
To maintain optimal performance, keep the router clean and free from dust. Use a soft, dry cloth to wipe the exterior. Ensure ventilation slots are not blocked to prevent overheating.
5.3. Скід налад прылады
If you encounter persistent issues or forget your login credentials, you may need to perform a factory reset. Locate the small reset button (usually recessed) on the back of the router. With the router powered on, use a paperclip or similar pointed object to press and hold the reset button for about 10-15 seconds until the LEDs flash. The router will restart with factory default settings.
6. Выпраўленне непаладак
6.1. Няма падключэння да Інтэрнэту
- DSL LED Off/Flashing: Check the telephone cable connection to the router, splitter, and wall jack. Contact your ISP if the issue persists, as it may indicate a line problem.
- Internet LED Off: Ensure your ISP username and password are correctly entered in the router's web interface. Verify your internet service is active with your ISP.
6.2. Wi-Fi Disconnections or Poor Signal
- Перыядычныя адключэнні: Ensure the router's firmware is up to date. Check for interference from other electronic devices.
- Слабы сігнал: Position the router centrally in your home, away from obstructions and other wireless devices.
6.3. Router Overheating
Ensure the router is placed in a well-ventilated area. Do not cover the ventilation slots. If placed in an enclosed space, consider improving air circulation.
6.4. Cannot Access Router Web Інтэрфейс
- Verify your computer is connected to the router (wired or wireless).
- Пераканайцеся, што ў наладах IP-адраса вашага кампутара настроены аўтаматычны доступ да IP-адраса (DHCP).
- Паспрабуйце ачысціць кэш браўзера або скарыстацца іншым браўзерам.
- Калі вы забыліся пароль, выканайце скід да заводскіх налад (гл. раздзел 5.3).
7. Тэхнічныя характарыстыкі
| Асаблівасць | Дэталь |
|---|---|
| мадэль | DSL-2750U/IN |
| бесправадной стандарт | 802.11n, 802.11b, 802.11g |
| Хуткасць перадачы даных | Да 300 Мбіт/с |
| ADSL Standard | Multi-mode ANSI T1.413 Issue 2, ITU G.992.1 (G.dmt) Annex A, ITU G.992.2 (G.lite) Annex A, ITU G.994.1 (G.hs), ADSL2 Standard ITU G.992.3 (G.dmt.bis) Annex A/L/M, ITU G.992.4 (G.lite.bis) Annex A, ITU.G.992.5 Annex L/M (optional) |
| Парты | 1 x RJ-11 ADSL port, 4 x RJ-45 10/100BASE-TX Ethernet LAN ports (with auto MDI/MDIX), 1 x USB port |
| Пратаколы бяспекі | 64/128-bit WEP, WPA, WPA2, WPS, Parental Controls, Packet Filtering, SPI, NAT |
| Памеры (ДхШхВ) | 11.6 х 3.2 х 16.2 см |
| Вага | 630 г |
| Крыніца харчавання | 12V=1A (via included power adapter) |
| Сумяшчальнасць аперацыйнай сістэмы | OS independent (web-based configuration) |
8. Гарантыя і падтрымка
8.1. Інфармацыя аб гарантыі
The D-Link DSL-2750U Wireless N 300 ADSL2+ Router comes with a 3-гадовая гарантыя брэнда. Please retain your purchase receipt for warranty claims. For detailed warranty terms and conditions, refer to the warranty booklet included in your package or visit the official D-Link webсайт.
8.2. Падтрымка кліентаў
For technical assistance, troubleshooting, or warranty inquiries, please contact D-Link Customer Support:
- Бясплатны нумар: 1860 233 9999
- GSM/CDMA Users: +91-832-2856300 & 2856000 (Local & STD Charges apply)
- электронная пошта: helpdesk@dlink.co.in
- Webсайт: Visit the official D-Link India website for FAQs, drivers, and firmware updates.





