Huawei Fiber Hybrid Switch LEDs indicate power, optical link status, Ethernet activity, and hybrid cable connectivity, with steady or blinking lights reflecting normal operation or faults.

Power Indicator

The Power LED shows the device's power status. A steady green light indicates the switch is powered on, while off means no power is supplied or the power connection is faulty. Always ensure the power adapter matches the device specifications and the ON/OFF button is correctly set ( ).

Optical Link Indicators (PON/LOS)

• PON LED: Steady green indicates a successful connection and registration with the upper-layer device (e.g., OLT). Blinking green signals that the switch is attempting to establish a connection or register ( ).
• LOS (Loss of Signal) LED: Normally off when the optical link is healthy. A blinking or steady red light indicates fiber disconnection, no optical signal, or hardware faults. Slow blinking may suggest a dirty or improperly connected fiber ( ).

Ethernet Port Indicators (LAN)

• Steady green: Ethernet port is connected and operational.
• Blinking green: Data is being transmitted or received.
• Off: No connection is detected on the port ( ).

WLAN and Other Function LEDs

• WLAN LED: Steady green when Wi-Fi is enabled, blinking green during wireless data transmission, and off when disabled.
• USB, TEL, CATV LEDs: Indicate the status of connected devices or services, with blinking showing active data transmission and off indicating inactivity or disconnection ( ).

Hybrid Cable Connection Indicators

For hybrid optical-electrical switches, proper LED behavior also depends on correct hybrid cable installation. Ensure that:

• Switch-side and AP-side pigtails are correctly identified and connected.
• Optical fibers are connected to the correct TX/RX ports.
• Power cables and optical fibers of the same color are matched.
• Steady or blinking LEDs on the switch reflect proper hybrid cable connectivity and data transmission ( ).

Troubleshooting Tips

• If LEDs indicate abnormal states (e.g., LOS red, PON blinking without registration), check fiber connections, clean connectors, verify power supply, and ensure correct hybrid cable installation.
• Persistent faults may require collecting device logs and contacting Huawei support for further assistance ( ).

By monitoring these LEDs, technicians can quickly assess the operational health of Huawei Fiber Hybrid Switches and identify issues related to power, optical links, Ethernet ports, and hybrid cable connections.