D-Link 4G 무선 LTE 라우터 DWR-921_E 사용 설명서

1. 서론

This manual provides detailed instructions for the D-Link DWR-921_E 4G Wireless LTE Router. The DWR-921_E allows you to access and share your 4G LTE or 3G mobile broadband connection. Once connected, you can transfer data, stream media, and send SMS messages. Simply insert your SIM card and share your 4G LTE or 3G Internet connection through a secure wireless network or using any of the four Ethernet ports.

2. 패키지 내용

Ensure that your package contains the following items. If any item is missing or damaged, please contact your local D-Link reseller.

• D-Link DWR-921_E 4G Wireless LTE Router
• 전원 어댑터
• 이더넷 케이블
• 빠른 설치 가이드
• Two Detachable 4G LTE Antennas

3. 신체적 특징

3.1 전면 패널

The front panel of the DWR-921_E features LED indicators that provide status information about the router's operation.

이미지: 앞면 view of the D-Link DWR-921_E router, showing the D-Link logo and status LEDs.

• 전원 LED: 전원 상태를 나타냅니다.
• WAN LED: Indicates status of the wired WAN connection.
• LAN LED(1-4): 각 이더넷 LAN 포트의 활동을 나타냅니다.
• 3G/4G LED: Indicates the type of mobile network connection (3G or 4G LTE).
• SMS LED: Indicates new or unread SMS messages.
• WLAN LED: 무선 네트워크 활동을 나타냅니다.
• WPS LED: Wi-Fi 보호 설정 상태를 나타냅니다.

3.2 후면 패널

The rear panel provides all the necessary ports and buttons for connecting the router to power, network devices, and inserting the SIM card.

이미지: 후면 view of the D-Link DWR-921_E router, showing the power port, SIM card slot, WAN port, LAN ports, and antennas.

• 전원 포트(12V): 포함된 전원 어댑터에 연결합니다.
• 전원 켜기/끄기 스위치: 라우터의 전원을 켜고 끕니다.
• SIM 카드 슬롯: Insert your 4G LTE or 3G SIM card here.
• WAN 포트: Connects to a wired broadband modem for an alternative internet source.
• LAN 포트(1-4): 컴퓨터, 게임 콘솔, 네트워크 저장 장치와 같은 유선 장치를 연결하세요.
• 재설정 버튼: 10초간 길게 누르면 공장 기본 설정으로 복원됩니다.
• 안테나 커넥터: Attach the two detachable 4G LTE antennas.

4. 설정

Follow these steps for the initial setup of your D-Link DWR-921_E router.

1. SIM 카드 삽입: Ensure the router is powered off. Carefully insert your 4G LTE or 3G SIM card into the SIM card slot on the rear panel until it clicks into place.
2. 안테나 부착: Screw the two detachable 4G LTE antennas onto the connectors on the rear panel. Ensure they are securely fastened.
3. 전원 연결: Connect the included power adapter to the power port on the rear of the router and then plug the adapter into a power outlet.
4. 전원 켜기: Press the Power On/Off switch to turn on the router. Wait for the Power LED to turn solid green and the 3G/4G LED to indicate a stable connection (e.g., solid green or blue, depending on the network type).
5. 라우터에 연결:
   • 유선 연결: Connect one end of the Ethernet cable to a LAN port on the router and the other end to your computer's Ethernet port.
   • 무선 연결: On your computer or mobile device, search for available Wi-Fi networks. Select the network name (SSID) printed on the label on the bottom of your router and enter the Wi-Fi password (WPA/WPA2 Key) when prompted.
6. 입장 Web 인터페이스: 열기 web 브라우저(예: Chrome, Firefox) 및 유형 http://192.168.0.1 주소 표시줄에 엔터 키를 치시오.
7. 로그인: When prompted, enter the default username (usually admin) 및 비밀번호(일반적으로 admin or left blank) as printed on the router's label.
8. 설치 마법사를 실행하세요: Follow the on-screen instructions of the setup wizard to configure your internet connection, Wi-Fi name, and password. It is recommended to change the default administrator password for security.

5. 운영

5.1 장치 연결

• 와이파이 기기: Use the Wi-Fi name (SSID) and password you configured during setup to connect smartphones, tablets, laptops, and other wireless devices.
• 유선 장치: Connect devices like desktop computers, smart TVs, or gaming consoles to any of the four LAN ports using Ethernet cables.

5.2 LED 표시등 이해

Regularly observe the LED indicators on the front panel to monitor the router's status. A solid green 3G/4G LED typically indicates a stable mobile broadband connection. Flashing LEDs usually indicate data activity.

5.3 Web 인터페이스 탐색

그만큼 web 인터페이스(다음으로 접근 가능) http://192.168.0.1) allows you to manage various settings:

• 인터넷 설정: Configure APN settings, PIN management for your SIM card, and WAN failover options.
• 무선 설정: Change Wi-Fi name (SSID), password, security type, and channel.
• 네트워크 설정: Adjust LAN IP address, DHCP server settings, and port forwarding rules.
• 문자: View and send SMS messages directly from the router.
• 체계: Update firmware, backup/restore configuration, and change administrator password.

6. 유지관리

To ensure optimal performance and longevity of your DWR-921_E router, consider the following maintenance tips:

• 최적의 배치: Place the router in a central location, away from obstructions, large metal objects, and other electronic devices that may cause interference. Ensure good ventilation.
• 정기 재부팅: Periodically reboot the router (e.g., once a month) by unplugging the power adapter for 10 seconds and then plugging it back in. This can resolve minor performance issues.
• 펌웨어 업데이트: Check the D-Link support website for the latest firmware updates. Keeping your firmware up-to-date can improve performance, add new features, and enhance security.
• 물리적 청소: 라우터를 깨끗하고 먼지가 없는 상태로 유지하세요. 부드럽고 마른 천으로 외부를 닦으세요. 액체 세척제는 사용하지 마세요.
• 보안 비밀번호: 정기적으로 다시view and update your Wi-Fi and administrator passwords to strong, unique combinations.

7. 문제 해결

This section addresses common issues you might encounter with your DWR-921_E router.

7.1 인터넷 연결 없음

• SIM 카드 확인: SIM 카드가 올바르게 삽입되었고 데이터 요금제로 활성화되었는지 확인하세요.
• LED 확인: Verify that the Power LED is solid and the 3G/4G LED indicates a stable connection. If the 3G/4G LED is off or flashing erratically, there might be a network issue or SIM card problem.
• 신호 강도: 신호 강도 표시기를 확인하십시오. web interface. If the signal is weak, try repositioning the router or antennas.
• APN 설정: 라우터의 액세스 포인트 이름(APN) 설정이 올바른지 확인하십시오. web interface match those provided by your mobile network operator.
• 라우터 재부팅: Power cycle the router by turning it off, waiting 10 seconds, and turning it back on.

7.2 Slow Internet Speeds

• 신호 강도: Weak 4G LTE/3G signal will result in slower speeds. Optimize router placement.
• 네트워크 혼잡: Mobile network speeds can vary based on network traffic in your area.
• Wi-Fi 간섭: 다른 무선 기기나 네트워크가 Wi-Fi 신호를 방해할 수 있습니다. 라우터 설정에서 Wi-Fi 채널을 변경해 보세요.
• 연결된 장치 수: Too many devices actively using the network can reduce speeds for all.

7.3 접근할 수 없습니다 Web 인터페이스

• IP 주소: Ensure you are typing the correct IP address (http://192.168.0.1) into your browser.
• 유선 연결: If connecting wirelessly, try connecting your computer directly to the router with an Ethernet cable.
• IP 주소 충돌: 컴퓨터가 IP 주소를 자동으로 받도록(DHCP) 설정되어 있는지 확인하세요.
• 방화벽/안티바이러스: 컴퓨터의 방화벽이나 바이러스 백신 소프트웨어를 일시적으로 비활성화하여 액세스가 차단되는지 확인하세요.
• 라우터 재설정: As a last resort, perform a factory reset by pressing and holding the Reset button for 10 seconds. 경고: 이렇게 하면 사용자 지정 설정이 모두 삭제됩니다.

8. 사양

Below are the technical specifications for the D-Link DWR-921_E 4G Wireless LTE Router.

9. 보증 및 지원

For warranty information and technical support, please refer to the warranty card included with your product or visit the official D-Link website. D-Link provides various support resources, including FAQs, troubleshooting guides, and driver downloads, to assist you with your DWR-921_E router.

D-링크 지원 Web대지: www.dlink.com/support