1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Generic Calix 100-04255 GigaPoint 803G Fiber Optical Network Terminal (ONT) Modem. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
The Calix 803G GigaPoint is designed to deliver high-speed fiber optic internet services to your home or office, offering reliable connectivity for various networking needs.
2. Safety Information
- Always disconnect power before cleaning or servicing the device.
- Do not expose the device to water or moisture.
- Ensure proper ventilation to prevent overheating.
- Use only the power adapter supplied with the device.
- Avoid placing the device near heat sources or in direct sunlight.
- Handle fiber optic cables with care; do not bend them sharply.
3. Package Contents
Verify that all items are present in the package:
- Calix 100-04255 GigaPoint 803G Fiber Optical Network Terminal Modem
- Power Adapter

Image: Calix 100-04255 GigaPoint 803G Modem and its power adapter. The modem is a compact black device, and the power adapter is typically a small black brick with a cable.
4. Product Overview
The Calix 803G GigaPoint is a compact and efficient Fiber Optical Network Terminal. It features an Ethernet (RJ-45) network port for connecting to your home network or router.
4.1 Key Features
- Maximum Data Rate: 1000 Mbps (1 Gbps)
- Network Ports: Ethernet (RJ-45)
- Connectivity Technology: Ethernet
- Number of Ports: 1
4.2 Device Label Information
The product label, typically found on the device packaging or the device itself, contains important identification information:

Image: A close-up of the product label on the modem's packaging. It displays various identifiers including Model No: 100-04255 11, Prod Desc: 803G, FSAN: CXNK00C25320, ONU MAC: 84D34353CBCD, MTA MAC: 84D34353CBCE, CLEI: BVMCN10ARA, and Country of Origin: Taiwan. These details are crucial for identification and support.
- Model No: 100-04255 11
- Prod Desc: 803G
- FSAN: CXNK00C25320
- ONU MAC: 84D34353CBCD
- MTA MAC: 84D34353CBCE
- CLEI: BVMCN10ARA
- Country of Origin: Taiwan
5. Setup Instructions
Follow these steps to set up your Calix 803G GigaPoint modem:
- Placement: Choose a central location for the modem, away from obstructions, direct sunlight, and heat sources. Ensure it is near a power outlet and the fiber optic wall jack.
- Connect Fiber Optic Cable: Carefully connect the fiber optic cable from your wall jack to the fiber port on the Calix 803G GigaPoint. Ensure the connection is secure but do not force it. (Note: This step is typically performed by an authorized service technician.)
- Connect Ethernet Cable: Connect one end of an Ethernet cable to the Ethernet (RJ-45) port on the Calix 803G GigaPoint and the other end to the WAN/Internet port of your router or directly to your computer's Ethernet port.
- Connect Power Adapter: Plug the power adapter into the modem's power input port, then plug the other end into a wall outlet.
- Power On: The modem will automatically power on. Wait for the indicator lights to stabilize, which may take a few minutes. Refer to the operating section for indicator light status.
6. Operating the Device
Once the Calix 803G GigaPoint is properly set up, it operates automatically. The primary function is to convert the fiber optic signal into an Ethernet signal for your network devices.
6.1 Indicator Lights
The device typically has indicator lights to show its status. Consult your service provider's documentation for specific light behaviors, as these can vary. Common indicators include:
- Power: Indicates if the device is receiving power.
- PON/Optical: Indicates connection to the fiber optic network.
- LAN/Ethernet: Indicates an active Ethernet connection to a connected device.
A stable green light usually indicates a successful connection, while blinking lights or red lights may indicate an issue.
7. Maintenance
The Calix 803G GigaPoint requires minimal maintenance. Follow these guidelines to ensure optimal performance:
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols.
- Ventilation: Ensure that the ventilation openings are not blocked.
- Firmware Updates: Firmware updates are typically managed by your internet service provider and do not require user intervention.
- Restarting: If you experience connectivity issues, try restarting the modem by unplugging the power adapter for 10 seconds and then plugging it back in.
8. Troubleshooting
If you encounter problems with your Calix 803G GigaPoint, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Power adapter not connected or faulty outlet. | Ensure the power adapter is securely connected to the modem and a working electrical outlet. Try a different outlet. |
| No Internet Connection | Fiber optic cable disconnected, Ethernet cable disconnected, or service outage. | Check all cable connections. Restart the modem and your router. Contact your internet service provider to check for outages or service issues. |
| Slow Internet Speed | Network congestion, faulty Ethernet cable, or service issue. | Restart the modem and router. Try a different Ethernet cable. Contact your internet service provider. |
| Indicator Lights Abnormal | Indicates a connection or hardware issue. | Refer to your service provider's documentation for specific light patterns. Restart the device. If the issue persists, contact support. |
For further assistance, please contact your internet service provider.
9. Specifications
| Feature | Detail |
|---|---|
| Model | 100-04255 GigaPoint 803G |
| Brand | Generic (Calix) |
| Maximum Data Rate | 1000 Mbps / 1 Gbps |
| Network Ports | Ethernet (RJ-45) |
| Connectors | 24 Pin (internal, not user accessible) |
| Connectivity Technology | Ethernet |
| Number of Ports | 1 (Ethernet) |
| Color | Black |
| Package Dimensions | 10 x 4 x 2 inches |
| Item Weight | 1 pound |
| Country of Origin | Taiwan |
| Compatible ISPs | Verizon, AT&T, Frontier, CenturyLink, Ziply Fiber (Note: Compatibility may vary, confirm with your ISP) |
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided by your internet service provider or the original vendor. As this device is often provided by an ISP, they are typically the primary point of contact for support and warranty claims.
Keep your purchase receipt and any service agreements for reference.





