Cisco 1000BASE-BX-U SFP Mini-GBIC Module – Single-Mode Fiber Transceiver with LC/PC Connector

Elevate your data networking performance with the Cisco SFP (mini-GBIC) Module, a reliable, plug-in transceiver designed for high-speed optical networks. Built for Gigabit Ethernet, this 1000Base-BX-U compatible SFP module delivers dependable uplinks over single-mode fiber with an LC/PC connector. Whether you’re upgrading a data center, campus network, or edge switch, this Cisco SFP is engineered to maximize productivity by enabling flexible, scalable, and cost-effective fiber connectivity. Its compact form factor and Cisco-grade durability ensure seamless integration into a wide range of SFP-enabled devices, helping you streamline deployment, simplify maintenance, and future-proof your infrastructure.

• High-performance Gigabit Ethernet — Supports 1 Gbps data rates with 1000Base-BX-U, delivering fast, reliable fiber connections suitable for core, distribution, and access layers in modern networks.
• 1000Base-BX-U over single-mode fiber — Optimized for long-distance optical links on single-mode fiber, enabling extended reach between data centers, campuses, and remote sites without sacrificing throughput.
• LC/PC connector for clean, low-loss links — Features a robust LC/PC optical interface that ensures precise alignment and minimal signal loss, helping sustain high link quality across environments.
• Plug-in module (mini-GBIC) with hot-swappable design — Easy installation and maintenance with minimal downtime, allowing seamless upgrades or replacements in SFP slots on compatible Cisco devices.
• Designed for Cisco data networking and optical networks — Tailored to work with Cisco switches and routers that support 1000Base-BX-U SFP modules, delivering dependable performance in data centers, campuses, and enterprise networks.

Technical Details of Cisco SFP (mini-GBIC) Module

• Module type: SFP (mini-GBIC) transceiver
• Standard: 1000Base-BX-U (Gigabit Ethernet)
• Fiber type: Single-mode optical fiber
• Connector: LC/PC
• Data rate: 1 Gbps
• Interface compatibility: Designed for Cisco data networking devices and other SFP-enabled hardware that supports BX-U transceivers
• Form factor: Plug-in SFP (mini-GBIC) module
• Key benefits: High reliability, plug-and-play installation, and scalable single-mode fiber connectivity

How to install Cisco SFP (mini-GBIC) Module

• Check compatibility: Confirm that your Cisco switch or router supports 1000Base-BX-U SFP modules and the BX-U unidirectional signaling standard for the intended link.
• Power considerations: In most Cisco devices, this SFP module is hot-swappable. If your equipment supports hot-swapping, you can insert or replace it without powering down the system. If not, power down according to your hardware manual before installation.
• Insert the module: Remove any protective caps from the SFP port and gently insert the Cisco SFP into the vacant SFP slot until the module latches securely in place.
• Connect the fiber: Attach a single-mode fiber optic cable with LC connectors to the SFP module, ensuring the transmit (TX) end on one side aligns with the receive (RX) end on the opposite device. Use proper fiber polarity and avoid excessive bending or stress on the cable.
• Verify link status: Power up the device (if required) and verify link status with the switch/router’s management interface. Confirm that the BER and link up/down indicators show a stable connection, and configure VLANs, QoS, or routing as needed to support your network design.

Frequently asked questions

• What is 1000Base-BX-U? A: 1000Base-BX-U is a Gigabit Ethernet standard that runs over single-mode fiber using a unidirectional transmission scheme. It enables high-speed connections over longer distances and is commonly used for uplinks between network devices in enterprise environments.
• What kind of fiber and connector does this module use? A: The module is designed for single-mode fiber and uses an LC/PC optical connector, providing precise alignment and reliable signal integrity for long-distance links.
• Is this SFP module hot-swappable? A: Yes. SFP modules like this Cisco unit are typically hot-swappable on compatible devices, allowing you to insert or replace the transceiver without powering down the entire system. Always consult your device’s maintenance guidelines before swapping.
• Will this module work with non-Cisco devices? A: The module is designed to work with Cisco equipment and other devices that support 1000Base-BX-U SFP transceivers. Compatibility depends on the host device’s SFP support and firmware. Check your hardware documentation for BX-U compatibility.
• What should I consider when planning a BX-U link? A: Consider distance requirements, fiber type (single-mode), connector quality, proper cable management, and the compatibility of the opposite end’s transceiver. Ensure both ends adhere to BX-U standards to achieve reliable, full-rate performance.