1. Pendahuluan
This manual provides essential information for the safe and efficient operation of your Digi International WR21-L52A-DE1-TB Cellular Wireless Router. Please read this manual thoroughly before installation and use, and retain it for future reference. This device is designed to provide reliable cellular connectivity for various applications.
2. Informasi Keselamatan
- Catu Daya: Use only the power adapter supplied with the device. Using an incorrect adapter may damage the device and void the warranty.
- Ventilasi: Pastikan ventilasi yang memadai di sekitar router. Jangan menghalangi lubang ventilasi.
- Lingkungan: Avoid exposing the device to extreme temperatures, humidity, direct sunlight, or corrosive environments.
- Pelayanan: Jangan mencoba membuka atau memperbaiki perangkat sendiri. Serahkan semua perbaikan kepada teknisi yang berkualifikasi.
- Antena: Ensure antennas are securely connected before powering on the device.
3. Isi Paket
Verifikasi bahwa semua item ada dalam paket:
- Digi International WR21-L52A-DE1-TB Cellular Wireless Router
- Adaptor Daya
- Antennas (quantity may vary)
- Kabel Ethernet
- Panduan Memulai Cepat (jika disertakan)
Jika ada barang yang hilang atau rusak, segera hubungi vendor Anda.
4. Produk Lebihview

Gambar: Depan view of the Digi International WR21-L52A-DE1-TB Cellular Wireless Router. This image displays the compact form factor of the device, likely showing ports for antennas, power, and network connections.
The Digi International WR21-L52A-DE1-TB is a robust cellular wireless router designed for reliable and secure connectivity. It features multiple connectivity options and is suitable for various industrial and enterprise applications requiring remote access and data transfer over cellular networks.
5. Pengaturan
5.1. Pemasangan Kartu SIM
- Pastikan router dalam keadaan mati dan terputus dari sumber listrik.
- Locate the SIM card slot(s) on the device. Refer to the device's physical markings for exact location.
- Insert the activated cellular SIM card into the slot with the gold contacts facing down and the notched corner oriented correctly. Push until it clicks into place.
- If applicable, secure the SIM card tray or cover.
5.2. Koneksi Antena
- Identify the cellular antenna ports (typically labeled 'MAIN' and 'DIV' or similar).
- Screw the provided cellular antennas onto the corresponding ports until finger-tight. Do not overtighten.
- Posisikan antena untuk penerimaan sinyal yang optimal.
5.3. Koneksi Daya
- Hubungkan adaptor daya ke port input daya router.
- Colokkan adaptor daya ke stopkontak yang sesuai.
- The router will power on automatically or may require pressing a power button. Observe the LED indicators for power status.
5.4. Koneksi Jaringan (Opsional)
- To connect a device via Ethernet, plug one end of an Ethernet cable into an available LAN port on the router.
- Plug the other end of the Ethernet cable into the network port of your computer or other network device.
6. Petunjuk Pengoperasian
6.1. Menghidupkan/Mematikan
- Nyalakan: Connect the power adapter. The device will typically power on automatically. Observe the power LED.
- Matikan: Disconnect the power adapter from the electrical outlet. For controlled shutdown, refer to the device's web interface or specific documentation for a software shutdown procedure if available.
6.2. Mengakses Web Antarmuka
- Ensure your computer is connected to the router via Ethernet or Wi-Fi (if enabled).
- Buka sebuah web peramban (misalnya, Chrome, Firefox, Edge).
- Enter the router's default IP address (e.g., 192.168.1.1 or 192.168.0.1) into the address bar and press Enter. Refer to the Quick Start Guide or device label for the exact default IP address.
- Enter the default username and password when prompted. These are typically found on a label on the device or in the Quick Start Guide.
- Upon successful login, you will access the router's configuration interface.
6.3. Konfigurasi Dasar
Dalam web Pada antarmuka ini, Anda dapat mengkonfigurasi berbagai pengaturan:
- Cellular Settings: Verify APN settings, signal strength, and connection status.
- Pengaturan Jaringan: Configure LAN IP address, DHCP server, and port forwarding.
- Keamanan: Change default login credentials, configure firewall rules, and VPN settings.
- Pembaruan Firmware: Check for and apply firmware updates to ensure optimal performance and security.
7. Pemeliharaan
- Pembersihan: Gunakan kain lembut dan kering untuk membersihkan bagian luar router. Jangan gunakan cairan pembersih atau aerosol.
- Pembaruan Firmware: Periksa secara berkala petunjuk dari produsen. webSitus untuk pembaruan firmware. Memperbarui firmware secara berkala memastikan Anda mendapatkan fitur terbaru, patch keamanan, dan peningkatan kinerja.
- Kondisi Lingkungan: Ensure the router is operating within its specified temperature and humidity ranges to prevent overheating or damage.
8. Penyelesaian masalah
8.1. No Cellular Connection
- Verify the SIM card is correctly inserted and activated with your cellular provider.
- Check antenna connections and ensure they are positioned for optimal signal.
- Masuk ke dalam web interface to check cellular signal strength and connection status.
- Mulai ulang router.
8.2. Tidak Dapat Mengakses Web Antarmuka
- Pastikan komputer Anda terhubung langsung ke router melalui kabel Ethernet.
- Verify your computer's IP address is in the same subnet as the router (e.g., if router is 192.168.1.1, computer should be 192.168.1.x).
- Coba bersihkan cache browser Anda atau gunakan browser lain.
- If you forgot the password, a factory reset might be necessary (refer to specific device documentation for this procedure, as it will erase all configurations).
8.3. Kecepatan Koneksi Lambat
- Check cellular signal strength in the web interface. Weak signal can lead to slow speeds.
- Ensure antennas are properly positioned and unobstructed.
- Verify your cellular data plan has not reached its data cap or is being throttled.
- Restart the router and connected devices.
9. Spesifikasi
| Fitur | Keterangan |
|---|---|
| Model | WR21-L52A-DE1-TB |
| Merek | Digi Internasional |
| Protokol Konektivitas | Seluler |
| Teknologi Konektivitas | USB |
| Metode Kontrol | Terpencil |
| Fitur Khusus | WPS |
| Perangkat yang Kompatibel | Komputer Pribadi |
| Penggunaan yang Direkomendasikan | Rumah |
| UPC | 747356312219 |
10. Garansi dan Dukungan
For detailed warranty information, please refer to the warranty card included with your product or visit the official Digi International website. Technical support is available through the manufacturer's support channels. Please have your product model number (WR21-L52A-DE1-TB) and serial number ready when contacting support.





