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IBM BNT SFP+ SR Transceiver for High-Speed Networking
The IBM BNT SFP+ SR Transceiver for High-Speed Networking (MPN 46C3449-RFB) is a 10Gbps short-range multimode fiber (SR) optical module designed for use in compatible IBM switches and routers. Engineered for data centers and high-performance networking environments, this SFP+ transceiver supports link distances up to approximately 300 meters over suitable multimode fiber and adheres to standard SFP+ form-factor interfaces for straightforward installation and hot-plug operation.
The transceiver provides reliable 10Gbps connectivity with industry-standard SFP+ compatibility, enabling network administrators to integrate high-speed links without altering existing equipment form factors. Built to IBM specifications (MPN 46C3449-RFB), it offers predictable optical performance for short-range multimode fiber links and supports hot-swap replacement to minimize downtime. The module's compact SFP+ size conserves port density while delivering the throughput required for aggregation and server access layers.
Verify that the target switch or router is compatible with IBM SFP+ modules and that the device supports the MPN 46C3449-RFB. Before installation, ensure fiber cables and connectors (typically LC for SFP+ SR modules) are clean and rated for multimode operation. Power down the port if required by your equipment procedures or follow hot-swap guidelines provided by the switch vendor. Insert the SFP+ module into an available SFP+ port until it seats securely; then connect the multimode fiber cables. Confirm link status and negotiated speed via the device management interface and perform any required configuration for VLANs, link aggregation, or monitoring as per your network policies.
Use multimode fiber (OM3/OM4 recommended for best reach and margin) with clean LC connectors to achieve the specified distances. Maintain firmware and compatibility matrices from the IBM switch/router manufacturer to ensure full interoperability. For high-density deployments, monitor port temperature and link status and plan spare modules to reduce service time in case of failures.
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