1. Introducció
This manual provides essential information for setting up, operating, and maintaining your Zyxel NR5103E 5G WiFi 6 Mesh Router. The NR5103E is an unlocked, refurbished device designed to provide high-speed 5G and WiFi 6 connectivity for home and office environments. It supports both NSA and SA 5G modes, features 4x4 MIMO for enhanced performance, and includes a SIM card slot for mobile broadband access.

2. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- 1 x Zyxel NR5103E 5G Wi-Fi 6 Router (White)
- 1 x EU/UK Power Adapter (Please ensure you select the correct adapter for your region)
- 1 cable de xarxa RJ45
- 1 x Package Box (Note: Due to the router's weight, it may be shipped without the original box to reduce shipping costs.)

3. Especificacions
| Característica | Descripció |
|---|---|
| Nom del model | NR5103E |
| 5G NR Support | NSA & SA modes |
| Velocitat de descàrrega 5G | Fins a 4.7 Gbps |
| Velocitat de càrrega 5G | Fins a 2.5 Gbps |
| Categoria 4G LTE | CAT 19 |
| 4G LTE Download Speed | Fins a 1.6 Gbps |
| 4G LTE Upload Speed | Fins a 150 Mbps |
| Wi-Fi estàndard | Wi-Fi 6 (802.11ax, 4×4 UL/DL MU-MIMO) |
| Banda de freqüència Wi-Fi | 2.4GHz & 5GHz (dual-band auto-selection) |
| Wi-Fi Connections Supported | Fins a 64 dispositius |
| Tipus d'antena | Internal 5G/LTE main & diversity antennas, 4 x External LTE Antenna Ports |
| Ports LAN | 1 x LAN GE Port (RJ45), 1 x LAN/WAN GE Port (RJ45) |
| Interfície USB | 1 x port USB 3.0 |
| Ranura per a targeta SIM | 1 x Micro-SIM card slot |
| Dimensions (A x A x P) | 227 x 134 mm x 125 mm |
| Pes | Approximately 2KG (with original box) |
| Temperatura de funcionament | 0 °C ~ 40 °C |
| Temperatura d'emmagatzematge | -20 °C ~ +70 °C |
| Humitat | 5% ~ 95% (sense condensació) |
| Certificacions | CE, FCC, RoHS |
4. Configuració
4.1 Connexions físiques
- Insereix la targeta SIM: Locate the Micro-SIM card slot on the bottom rear of the router. Carefully insert your activated Micro-SIM card into the slot until it clicks into place. Ensure the SIM card is correctly oriented.
- Connecteu l'adaptador d'alimentació: Connect the provided power adapter to the 'Power' port on the rear of the router and then plug it into a power outlet.
- Ethernet Connections (Optional): If you wish to connect devices via Ethernet, use an RJ45 network cable to connect your computer or other network devices to the 'LAN GE' or 'LAN/WAN GE' ports. The 'LAN/WAN GE' port can also be used to connect to an existing modem or router for a wired internet source.
- External Antennas (Optional): For improved signal reception, you can connect up to four external LTE antennas to the 'INT/EXT' ports on the rear of the router.




4.2 Configuració inicial
Once powered on, the router will automatically attempt to connect to the 5G/4G network. You can access the router's web management interface for detailed configuration.
- Connecta't a Wi-Fi: On your computer or mobile device, search for the Wi-Fi network name (SSID) printed on the label at the bottom of the router. Connect to this network using the default Wi-Fi password (Key) also found on the label.
- Accés Web GUI: Obre a web browser and enter the default login address (e.g.,
http://192.168.1.1orhttp://zyxel.home) found on the router's bottom label. - Inici de sessió: Introduïu el nom d'usuari i la contrasenya predeterminats (per exemple,
adminfor both) as indicated on the label. You will be prompted to change the default password for security reasons. - Segueix l'Auxiliar de configuració: El web interface may guide you through an initial setup wizard to configure basic settings like time zone, Wi-Fi name, and password.

5. Instruccions de funcionament
5.1 Encès/Apagat
To power on the router, ensure the power adapter is connected and plugged in. The router will automatically start. To power off, simply unplug the power adapter. There might be a dedicated ON/OFF button on the rear panel next to the power port.
5.2 Indicadors LED
The LED indicators on the top of the router provide status information:
- LED d'alimentació: Indica l'estat d'alimentació.
- LED d'Internet: Indicates internet connection status (e.g., solid green for connected, blinking for activity).
- 5G/4G Signal Strength LEDs: Multiple LEDs typically indicate the strength of the cellular signal. More lit LEDs mean a stronger signal.
- LED Wi-Fi: Indicates Wi-Fi network status (e.g., solid for active, blinking for data transfer).

5.3 Connexió de dispositius
- Wi-Fi: Use the Wi-Fi name (SSID) and password to connect your wireless devices (smartphones, laptops, tablets, etc.) to the router.
- Ethernet: Connect wired devices (desktops, gaming consoles, smart TVs) to the LAN ports using Ethernet cables.
- USB: The USB 3.0 port can be used for connecting external storage devices for network sharing or other compatible peripherals.
5.4 Funcions avançades
- Mode pont: Configure the router to act as a bridge, passing network traffic directly to another router.
- Direcció de banda: Allows the router to intelligently direct devices to the optimal Wi-Fi band (2.4GHz or 5GHz) for better performance.
- Gestió remota: The router supports remote management via TR-069 (TR-181 and TR-143 speed test) and a web GUI.
- Zyxel Mobile App: Download the official Zyxel mobile app (available for iOS and Android) for convenient management and monitoring of your router.
6. Manteniment
- Firmware Updates (FOTA): The router supports Firmware Over-The-Air (FOTA) updates. Regularly check for and install firmware updates through the web management interface or Zyxel mobile app to ensure optimal performance, security, and access to new features.
- Neteja: Mantingueu el router net i lliure de pols. Feu servir un drap suau i sec per netejar l'exterior. No utilitzeu netejadors líquids ni aerosols.
- Condicions ambientals: Ensure the router is placed in a well-ventilated area, away from direct sunlight, heat sources, and moisture. Operate within the specified temperature (0 °C ~ 40 °C) and humidity (5% ~ 95% non-condensing) ranges.
- Reiniciant: Si teniu problemes de xarxa, proveu de reiniciar el router desendollant l'adaptador de corrent, esperant 10 segons i tornant-lo a connectar.
7. Solució De Problemes
7.1 Sense connexió a Internet
- Comproveu la targeta SIM: Ensure the Micro-SIM card is correctly inserted and activated with a data plan.
- Comproveu la força del senyal: Observe the 5G/4G signal strength LEDs. If the signal is weak, try repositioning the router or connecting external antennas.
- Comproveu els cables: Verify all Ethernet cables are securely connected.
- Reinicieu l'encaminador: Power cycle the router by unplugging and replugging the power adapter.
- Check APN Settings: En el web management interface, verify that the Access Point Name (APN) settings match those provided by your mobile network operator.
7.2 Problemes de connectivitat Wi-Fi
- Contrasenya incorrecta: Comproveu dues vegades la contrasenya del Wi-Fi.
- Router Range: Assegureu-vos que el dispositiu estigui dins de l'abast Wi-Fi del router.
- Interferència: Move the router away from other electronic devices that might cause interference (e.g., microwaves, cordless phones).
- Direcció de banda: If experiencing issues, try disabling band steering in the router settings to manually select 2.4GHz or 5GHz.
7.3 Velocitats lentes
- Intensitat del senyal: A weak 5G/4G signal will result in slower speeds. Improve signal by repositioning or using external antennas.
- Congestió de la xarxa: Performance can be affected by network congestion from your mobile operator.
- Capacitats del dispositiu: Ensure your connected devices support Wi-Fi 6 for optimal wireless performance.
- Firmware: Assegureu-vos que el firmware del router estigui actualitzat.
7.4 Router Unresponsive
- Cicle d'alimentació: Desendolla l'adaptador de corrent, espera 10 segons i torna'l a endollar.
- Restabliment de fàbrica: If the router remains unresponsive, you may need to perform a factory reset. Locate the 'RESET' button (often a small pinhole) on the bottom or rear of the router. Use a paperclip to press and hold the button for about 10 seconds until the LEDs flash, then release. This will restore all settings to factory defaults.
8. Consells d'usuari
- Compatibilitat de l'operador: This router is unlocked and compatible with various carriers, provided they operate on the supported 5G (n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78) and 4G/LTE (B1, B3, B5, B7, B8, B20, B28, B32, B38, B40, B41, B42, B43) bands. Always verify your carrier's bands before use.
- Refurbished Condition: As a refurbished unit, the NR5103E is tested to work well and should have no scratches.
- Antenes externes: For locations with weaker cellular signals, utilizing the external antenna ports can significantly improve signal strength and data speeds.
- Col·locació: Position the router in a central location, away from obstructions and potential interference sources, for the best Wi-Fi coverage.
9. Garantia i Suport
For technical support, firmware updates, and additional resources, please refer to the official Zyxel website or contact Zyxel customer support. You can also utilize the Zyxel mobile app for convenient access to support features and router management.





