Fiber optic connection of switch to H3C

To connect a switch to an H3C switch via fiber, use compatible SFP transceivers with duplex fiber cables terminated with LC connectors, ensuring proper send/receive alignment.Required ComponentsSFP Transceiver Modules: H3C switches require SFP modules compatible with the fiber type:Single-mode fiber (OS2) for long-distance links.Multimode fiber (OM3/OM4) for shorter distances.Ensure the SFP module matches the switch port type and fiber type .Fiber Optic Cables:Use duplex fiber cables (two strands) for separate transmit and receive signals.Pre-terminated cables with LC connectors are recommended for ease of installation.For field termination, ensure proper polishing and connector type matching .Connectors:Most H3C SFP modules use LC-style connectors.Ensure the connectors are clean and free of dust to minimize insertion loss and reflection .Connection StepsInsert SFP Modules: Install the SFP transceivers into the fiber ports of both switches.Connect Fiber Cables:Connect the transmit (TX) of switch A to the receive (RX) of switch B, and vice versa.Duplex fiber requires reversing the strands between the two switches to maintain proper signal flow .Verify Link Status:On H3C switches, use commands such as display interface brief or display interface to check port status, link speed, and transceiver type .Ensure the link shows UP and no errors are reported.Best PracticesAvoid bending fiber cables sharply; maintain the minimum bend radius.Keep fiber connectors capped when not in use to prevent contamination.Follow H3C laser safety guidelines: do not look directly into active fiber ports as they may emit invisible laser light .Use compatible SFP modules recommended by H3C to ensure interoperability and optimal performance. By following these steps and using the correct SFP modules and duplex LC fiber cables, you can establish a reliable fiber optic connection between your switch and an H3C switch.