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Huawei / SFP optical transceivers

Huawei 10G SFP+ 1.4km Equipment information & support

The Huawei 10G SFP+ 1310nm 1.4km is a wireless fronthaul optical transceiver engineered for high-density CPRI/eCPRI links up to 1.4km over single-mode fiber with duplex LC connectors.

Equipment information

Brand
Huawei
Equipment model
Huawei 10G SFP+ 1.4km
Equipment type
SFP optical transceivers
Controller / software version
Confirm against the installed equipment
View full product specifications
Huawei 10G SFP+ 1.4km Official Product View 3

Information below comes from the current product catalogue. Confirm the controller, software version and configuration of the installed equipment separately.

Physical Form Factor
SFP+ (dedicated for wireless fronthaul)
Data Rate
9.8 ~ 10.3125 Gbps
Central Wavelength
1310 nm
Maximum Distance
1.4 km
Fiber Type
Single-Mode Fiber (SMF) (SMF)
Optical Connector
Duplex LC Connector

Alarms & troubleshooting

OPT_RX_LOS (Optical RX Loss of Signal)
Port LINK/ACT LED off, chassis ALM LED solid amber or red
Fiber break or severe macro-bending, remote laser shut down or disabled, optical LC connector disconnected or contaminated
1. Verify port administrative status and ensure both ends are not in shutdown state. 2. Measure incoming optical power with an optical power meter to confirm it is within sensitivity limits (-14.4 dBm to +0.5 dBm). 3. Clean the LC connector ferrule and the SFP+ optical bore using optical cleaning tools. 4. If power is low or zero, replace patch cord or test the fiber run. If incoming power is normal but alarm persists, replace the SFP+ transceiver.
TX_FAULT (Laser Transmitter Fault / High Bias Current)
Port LINK/ACT LED solid amber or flashing red intermittently
Internal laser diode aging or degradation, TX bias current exceeding maximum DDM threshold, or driver circuit failure
1. Execute 'display transceiver verbose' to inspect TX Bias Current and TX Output Power metrics. 2. Reseat the SFP+ transceiver firmly into the slot to clear electrical contact oxidation or misalignment. 3. Reset the port laser by executing 'shutdown' followed by 'undo shutdown'. 4. If TX bias current remains above upper alarm threshold and TX power is degraded, replace the SFP+ optical module.
TEMP_ALM (Transceiver Operating Temperature High Alarm)
Chassis FAN/ALM LED solid amber, port LINK/ACT LED normal green or blinking amber
Ambient equipment room temperature too high (>45°C), blocked air ducts or clogged dust filters, fan tray failure, high-density port thermal accumulation
1. Run 'display transceiver verbose' to verify current temperature against high-alarm threshold (typically >75°C). 2. Check chassis fan tray status using 'display fan' and verify equipment room HVAC cooling operation. 3. Clean chassis dust filters and remove any airflow obstructions around front/rear vents. 4. If adjacent optical modules report normal temperatures, the internal SFP+ IC is degraded; replace the module.
PORT_CRC_ERR (Port CRC Error Threshold Exceeded & Link Flapping)
Port LINK/ACT LED rapidly alternating between green and amber, then blinking irregularly
Contamination on optical end-faces, loose LC latching mechanism, optical link margin operating near sensitivity threshold, chromatic dispersion
1. Execute 'display interface' to monitor if Input errors, CRC, and FCS error counters are continuously incrementing. 2. Inspect fiber end-faces with a fiber microscope and clean LC connector ferrules with a dry optical cassette cleaner. 3. Verify optical receive power, ensuring at least a 3 dB link margin above receiver sensitivity (-14.4 dBm). 4. Replace the optical patch cable; if CRC errors persist, swap the SFP+ transceivers on both ends to isolate hardware fault.
RX_PWR_HIGH (Optical RX Overload / High Input Power Alarm)
Port LINK/ACT LED steady green, NMS reporting optical warning/major threshold alarm
Accidental connection to high-power long-reach transceiver (e.g., 10G-ER/ZR), or short fiber loopback without optical attenuation exceeding PIN detector saturation point (+0.5 dBm)
1. Execute 'display transceiver verbose' immediately to check RX Optical Power and confirm if it exceeds +0.5 dBm. 2. Verify the remote optical transceiver model; ensure matching 10G 1.4km or short-reach specifications, avoiding long-haul transceivers. 3. Install an inline fixed LC optical attenuator (e.g., 3 dB or 5 dB) on the RX port to reduce power to the optimal -10 dBm to -2 dBm range. 4. Re-evaluate link status and error counts to protect the PIN photodiode from permanent thermal saturation damage.

Access Complete Maintenance & Full Alarm Troubleshooting Manual

This page lists high-frequency critical alarm codes commonly encountered in field maintenance. Comprehensive manufacturer troubleshooting matrices, board-level repair guides, detailed electrical schematics, and firmware commissioning manuals are delivered alongside equipment upon formal project procurement, accompanied by dedicated FAE technical support.

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