ZYXEL NR5103 5G Indoor CPE Router User Manual

1. Product Overview

The Zyxel NR5103 5G NR Indoor Router is designed to provide high-speed internet connectivity utilizing the latest 5G NR technology, while maintaining full compatibility with existing 4G networks. It is an ideal solution for Fixed Wireless Access (FWA) deployments, enabling premium broadband services in homes and workplaces. The NR5103 is certified with WiFi 6 (802.11ax) and EasyMesh R2, ensuring superior performance and extensive coverage. This device is compatible with networks in Europe, Asia, the Middle East, Africa, Australia, Brazil, and Chile.

Key Features:

• 3GPP Rel. 15 5G NR Sub-6 GHz DL 2xCA, supporting up to 4.67 Gbps (DL) / 2.5 Gbps (UL) with NSA & SA modes.
• WiFi 6 (11ax) 4x4 + 4x4 for enhanced performance and coverage.
• Integrated 4x4 MIMO with 4 high-performance 4G/5G antennas.
• Certified for WiFi 6 and EasyMesh R2 for optimal wireless experience.
• Remote management capabilities via TR-069 (TR-181 and TR-143 speed test) HTTPS/web GUI.
• Supports both Standalone (SA) and Non-Standalone (NSA) 5G architectures.
• Easy network setup and management through the Zyxel Air mobile application (iOS and Android).

2. What's in the Box

Upon opening the package, you should find the following items:

• ZYXEL NR5103 5G Indoor CPE Router (with EE Logo)
• RJ45 Ethernet Cable
• Power Adapter (EU or UK Charger, depending on region)

3. Setup Guide

Follow these steps to set up your ZYXEL NR5103 router:

1. Insert SIM Card: Locate the 3FF/Micro SIM card slot on the device. Carefully insert your activated 5G/4G SIM card into the slot until it clicks into place. Ensure the SIM card is oriented correctly as indicated on the device.
2. Connect Power: Connect the provided power adapter to the router's power port and then plug it into a wall outlet.
3. Power On: Press the 'ON/OFF' button on the back of the router to power it on. The LED indicators on the front will light up as the device starts.
4. Initial Connection (Optional - Wired): For a wired connection, connect one end of the RJ45 Ethernet cable to a LAN port on the router and the other end to your computer or network device.
5. Initial Connection (Wireless):
   • Using WPS: Press the WPS button on the router. Within two minutes, press the WPS button on your WiFi-enabled device (e.g., laptop, smartphone) to establish a secure connection automatically.
   • Manual Connection: On your WiFi-enabled device, search for available WiFi networks. Select the SSID (network name) printed on the label at the bottom or back of your router. Enter the WiFi password (also found on the label) to connect.
6. Zyxel Air App Setup: Download the Zyxel Air app from your device's app store (iOS or Android). Follow the in-app instructions for easy installation and local management of your router.
7. External Antennas (Optional): If you wish to use external antennas for improved signal reception, connect them to the four TS9 connectors on the back of the router. Ensure the 'Int/Ext' switch is set to 'Ext' for external antennas to be active.

4. Operating Instructions

Once your ZYXEL NR5103 router is set up, you can begin using it to access the internet and manage your network.

4.1 Connecting Devices

• Wireless Connection: Connect your smartphones, tablets, laptops, and other WiFi-enabled devices to the router's WiFi network using the SSID and password. The router supports WiFi 6 (802.11ax) for high-speed wireless connectivity.
• Wired Connection: Use the two 100/1000/2500 Mbps Ethernet RJ-45 LAN ports to connect devices that require a stable wired connection, such as desktop computers, gaming consoles, or smart TVs. LAN2 can also be configured as an Ethernet WAN port.

4.2 LED Indicators

The LED indicators on the front of the router provide important status information:

• Power Indication: Shows if the device is powered on.
• SMS Status: Indicates new or unread SMS messages.
• Signal Strength: Displays the strength of the 5G/4G cellular signal.
• Internet Connection Status: Shows if the router has an active internet connection.
• Radio Access Technology Status: Indicates whether the router is connected to a 5G or 4G network.
• WiFi AP Status: Shows the status of the WiFi access point.
• WPS Status: Indicates WPS activity.

4.3 Management Options

• Zyxel Air App: Use the mobile app for convenient local management, including initial setup, network monitoring, and basic configuration.
• Web GUI: Access the router's web-based graphical user interface (GUI) via a web browser for advanced settings, configuration, and remote management. Refer to your router's documentation for the default IP address and login credentials.
• Remote Management (TR-069): The router supports TR-069 for remote management and diagnostics by your service provider.

5. Maintenance

Proper maintenance ensures the longevity and optimal performance of your ZYXEL NR5103 router.

5.1 Firmware Updates

The router supports Firmware Over-The-Air (FOTA) updates. This allows for remote firmware upgrades and troubleshooting, ensuring your device always has the latest features and security patches. It is recommended to keep the firmware updated for best performance and security.

5.2 Environmental Conditions

Ensure the router is operated within the specified environmental conditions:

• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Operating Humidity: 10% to 90% RH (non-condensing)

Avoid placing the router in direct sunlight, near heat sources, or in areas with high humidity to prevent damage and ensure stable operation.

5.3 Cleaning

Gently wipe the exterior of the router with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as they may damage the device.

6. Troubleshooting

If you encounter issues with your ZYXEL NR5103 router, refer to the following common troubleshooting steps:

6.1 No Internet Connection

• Check SIM Card: Ensure the SIM card is correctly inserted and activated.
• Check Signal Strength: Observe the signal strength LED indicator. If the signal is weak, try repositioning the router or using external antennas (if applicable).
• Check APN Settings: Verify that the Access Point Name (APN) settings are correct for your mobile network operator. These can usually be configured via the web GUI or Zyxel Air app.
• Reboot Router: Power off the router, wait for 10 seconds, then power it back on.

6.2 Slow Internet Speed

• Signal Strength: A weak cellular signal can lead to slow speeds. Try moving the router to a location with better signal reception.
• Network Congestion: Performance can be affected by network congestion from your mobile operator.
• WiFi Interference: Ensure your router is not placed near other electronic devices that might cause WiFi interference.
• Firmware Update: Ensure the router's firmware is up to date.

6.3 Cannot Connect to WiFi

• Check WiFi Status LED: Ensure the WiFi AP status LED is on.
• Verify Password: Double-check that you are entering the correct WiFi password (SSID and password are on the router's label).
• WPS: If using WPS, ensure both the router's and your device's WPS buttons are pressed within the time limit.
• Reset WiFi Settings: If issues persist, you may need to reset the WiFi settings via the web GUI or Zyxel Air app.

6.4 Factory Reset

If all other troubleshooting steps fail, you can perform a factory reset. This will revert all settings to their default values. Locate the reset button (often a small pinhole) on the router, press and hold it for about 10 seconds using a paperclip or similar tool until the LEDs flash, then release. The router will restart with factory default settings.

7. Specifications

*Note: Wireless speeds and data rates are theoretical maximums. Actual performance may vary based on network conditions, environment, and other factors.

8. User Tips

To maximize your experience with the ZYXEL NR5103 router, consider the following tips:

• Optimal Placement: Place the router in a central location in your home or office, away from obstructions and potential sources of interference (e.g., microwaves, cordless phones) to ensure the best WiFi coverage and cellular signal reception.
• External Antennas: If you are in an area with weak 5G/4G signal, consider purchasing and connecting external TS9 antennas. Experiment with their placement and direction for improved signal strength. Remember to switch the 'Int/Ext' toggle to 'Ext'.
• Regular Firmware Checks: Periodically check for firmware updates via the Zyxel Air app or web GUI. Updates often include performance improvements, new features, and security enhancements.
• Secure Your Network: Always use a strong, unique password for your WiFi network. Utilize WPA2+WPA3 security if available for enhanced protection.
• Utilize Zyxel Air App: The Zyxel Air app simplifies many management tasks. Use it for quick status checks, basic configurations, and to monitor connected devices.
• Guest Network: If available, enable a guest WiFi network for visitors to keep your main network secure and manage bandwidth usage.

9. Warranty and Support

The ZYXEL NR5103 router is designed for reliability and performance. For any technical assistance or support, please refer to the official Zyxel support channels or your service provider.

9.1 Certifications

This product complies with various international standards and certifications, including:

• CE/Safety
• FCC
• RoHS (Restriction of Hazardous Substances) Directive
• WiFi 6 Certified
• EasyMesh R2 Certified
• WEEE (Waste Electrical and Electronic Equipment) Directive
• HSF (Hazardous Substance Free)

9.2 Technical Support

For further assistance, including advanced configuration or troubleshooting not covered in this manual, please contact Zyxel customer support or your internet service provider. You can also utilize the Zyxel Air app for local management and diagnostics.