Huawei 5700 Optical Module

Huawei S5700 series switches support a variety of SFP and 10G optical modules, enabling flexible fiber connectivity for enterprise networks.Supported Optical Modules

Huawei S5700 switches, such as the S5700-28P-LI-AC, feature multiple SFP ports that can accommodate 1.25G SFP modules and 10G SFP+ modules depending on the model . These modules allow connections over single-mode or multi-mode fiber, but it is crucial to match the fiber type with the module type to avoid connectivity issues . Third-party modules from verified vendors like ETU-Link are compatible and tested to ensure performance comparable to Huawei OEM modules .

Configuration and Troubleshooting

When using optical modules with S5700 switches, follow these best practices:

• Check compatibility: Ensure the module's speed matches the port (e.g., do not use a 10G module on a 1G port) and that single-mode and multi-mode fibers are not mixed .
• Port status verification: Use the command display interface xgigabitethernet0/0/2 to check if the port is administratively down .
• Transceiver diagnostics: Execute display transceiver interface xgigabitethernet0/0/2 verbose to monitor wavelength, received, and transmitted optical power .
• Loopback testing: Connect the fiber jumper to the same module to verify port functionality .

Stacking with Optical Modules

For models like S5700-28X-LI-AC, optical ports can be used for stacking multiple switches:

• Configure the first two 10G optical ports as logical port 1 and the last two as logical port 2.
• Connect stack-port n/1 of the local device to stack-port n/2 of the remote device.
• Use chain topology for two switches and ring topology for three or more switches .
• Always wear an anti-static wrist strap and connect it to the ESD socket during installation .

Practical Considerations

• Ensure optical power levels are within normal ranges to maintain stable connections.
• Use verified optical modules to prevent compatibility issues and maintain network reliability .
• For enterprise deployment, S5700 switches provide rich interface options including 24 Gigabit Ethernet ports and 4 SFP ports, supporting flexible network design . By following these guidelines, Huawei S5700 switches can effectively leverage optical modules for high-speed fiber connectivity, stacking, and reliable enterprise network performance .