StarTech.com Cisco SFP-10G-BX-U-20 Compatible SFP+ Module - 10GBASE-BX - 10 GbE Gigabit Ethernet BiDi Single Mode Fiber (SMF) Transceiver

Optimize your network with a premium SFP+ module that delivers reliable 10 GbE performance over single‑mode fiber using bidirectional (BiDi) technology. The StarTech.com Cisco SFP-10G-BX-U-20 Compatible SFP+ Module is designed, programmed, and tested to work with 10GBase-BX compatible Cisco switches and routers, ensuring seamless interoperability in data centers, enterprise wiring closets, and edge networks. Built for mission‑critical links, this SFP+ transceiver blends robust engineering with Cisco‑aware compatibility, so you can upgrade or extend your fiber infrastructure with confidence. Whether you’re consolidating fiber counts, expanding your uplinks, or upgrading aging hardware, this module is crafted to deliver dependable performance without the usual compatibility headaches.

• Premium Cisco compatibility — Specifically designed and tested to work with Cisco BX‑D/U networks, helping you achieve smooth integration with Cisco switches and routers. This StarTech.com module is engineered to align with the 10GBASE‑BX specification family, minimizing compatibility issues and ensuring stable, predictable operation in mixed vendor environments.
• BiDi SMF support for reduced fiber footprint — BiDi (bidirectional) operation over single‑mode fiber enables two directions of 10 GbE traffic on a single fiber strand. By eliminating the need for two separate fibers, you can simplify your cabling, lower installation costs, and maximize fiber infrastructure efficiency across data centers and campus networks.
• Plug‑and‑play, hot‑swappable design — The SFP+ form factor is designed for easy installation in standard SFP+ slots. It’s hot‑swappable, which means you can install or replace the module without powering down your equipment in many environments, reducing downtime and keeping critical links up when maintenance is required.
• Reliable 10 GbE performance — This module is built to deliver 10 Gbps data rate over SMF with strong signal integrity and low error rates. It’s an ideal choice for enterprise cores, aggregation layers, and storage networks that demand high throughput, predictable latency, and scalable bandwidth for applications such as virtualization, backups, and large file transfers.
• Broad interoperability and tested value — Beyond Cisco compatibility, StarTech.com conducts strict testing to ensure interoperability with a broad range of 10GBase‑BX devices and network gear. The result is a versatile, enterprise‑grade transceiver you can trust to interoperate in diverse hardware environments while maintaining vendor support expectations.

Technical Details of StarTech.com Cisco SFP-10G-BX-U-20 Compatible SFP+ Module

• Form factor: SFP+ (small form‑factor pluggable) transceiver
• Data rate: Up to 10 Gbps (10 Gigabit Ethernet)
• Fiber type: Single‑mode fiber (SMF) with BiDi operation
• Standards and compatibility: 10GBASE‑BX family compatibility for Cisco BX‑D/U devices; tested interoperability with Cisco switches and routers
• Transceiver type: BiDi Bi‑Directional downstream/upstream SFP+ module designed for BiDi SMF links
• Insertion/compatibility notes: Designed for plug‑and‑play installation in standard SFP+ slots; compatible with StarTech.com and Cisco network equipment when used within the BX‑D/U ecosystem

How to install StarTech.com Cisco SFP-10G-BX-U-20 Compatible SFP+ Module

• Power down or set the relevant network device to maintenance mode if required by your environment, then locate an available SFP+ slot on your switch or router.
• Remove the protective dust cap from the module and align the module with the SFP+ slot, ensuring the notch on the module matches the slot orientation.
• Gently insert the module into the slot until it seats fully and you hear or feel a positive click indicating a secure connection.
• Connect the appropriate end of your single‑mode BiDi fiber pair to the transceiver’s MPO/LC or equivalent connectors, paying attention to Tx/Rx polarity if your link requires it.
• Power on the device (if powered down) and verify link status through the device’s management interface. If the link comes up, your 10 GbE BiDi connection is established and ready for traffic.

Frequently asked questions

• Q: Is this module compatible with Cisco BX‑D and BX‑U devices?
  A: Yes. The StarTech.com SFP-10G-BX-U-20 module is designed and tested for compatibility with Cisco 10GBASE‑BX BX‑D/U devices, providing reliable operation across BX‑D/U networks.
• Q: What fiber type does this transceiver use?
  A: It uses single‑mode fiber (SMF) with BiDi operation, allowing bidirectional 10 GbE on a single fiber strand to reduce cabling requirements.
• Q: Can I hot‑swap this module?
  A: Yes. The SFP+ module is designed for plug‑and‑play insertion and hot‑swapping in compatible switches and routers, minimizing downtime during maintenance or upgrades.
• Q: Do I need special configuration to use this module?
  A: In most cases, it operates in a plug‑and‑play manner with Cisco BX‑D/U devices. Some environments may require verification of port settings for BiDi links, but no special firmware changes are typically necessary.
• Q: Will this module work with non‑Cisco BX networks?
  A: This module is optimized for Cisco BX‑D/U compatibility and tested interoperability for those ecosystems. While it may work in other environments, compatibility cannot be guaranteed outside the specified BX family, so usage is best aligned with Cisco BX devices.