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Gigabit Huawei Multimode Optical Module

Fiber and communications infrastructure knowledge brief Published 10 Jul 2023

Use this reference to prepare product questions for BAGYOU FIBRE. Check interfaces, capacity, protection and installation requirements against the current product documentation.

Huawei multimode gigabit optical modules, such as the eSFP-GE-SX-MM850, are installed in SFP ports on compatible switches and require certified modules, proper fiber type, and correct configuration commands for reliable operation. 1.

Verify Module Certification

Always use Huawei-certified optical modules to ensure transmission reliability and service stability. Certified modules are labeled with "HUAWEI," and you can verify certification using commands like display elabel, display version, or display transceiver on the switch. Non-certified modules may cause network issues and are not supported by Huawei.

2.

Check Fiber Compatibility

Multimode gigabit modules must be used with multimode fiber (OM2 or higher). Do not mix single-mode and multimode fibers, as this can prevent the link from functioning. The eSFP-GE-SX-MM850 module uses LC duplex connectors and operates at a center wavelength of 850 nm, supporting distances up to 550 meters over OM2 fiber.

3.

Install the Module

Insert the SFP module into the switch port with the LC connector facing the correct orientation. Ensure the module is hot-swappable, so the switch does not need to be powered down. For QSFP+ modules, keep the top side with the L-shaped notch upward when inserting.

4.

Configure and Monitor the Port

Check the port status using: display interface xgigabitethernet0/0/2 (replace with your port number) to see if the port is administratively up or down. Verify optical power and diagnostics with: display transceiver interface xgigabitethernet0/0/2 verbose to monitor received/transmitted power, wavelength, and module health. Ensure the module speed matches the interface; do not use a 10G module on a 1G port.

5.

Troubleshooting Tips

Perform a loopback test by connecting the fiber jumper to the same module to check for abnormal conditions. Confirm that the transmit and receive optical power are within normal ranges. Avoid using modules with incompatible specifications, such as mismatched wavelengths or single-fiber BIDI modules without their corresponding pair.

6.

Applications

Huawei multimode gigabit modules are typically used for: 1000BASE-SX networksConnections between switches, routers, and serversShort-distance data transmission within buildings or data centers. By following these steps—using certified modules, ensuring fiber compatibility, proper installation, and monitoring—you can reliably deploy Huawei multimode gigabit optical modules in your network.

Gigabit Huawei Multimode Optical Module - BAGYOU FIBRE NETWORKS [PDF]

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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