Cisco QSFP Module — 100GBASE-SR BiDi QSFP for High-Density Data Center Networking

Enhance your data center performance with the Cisco QSFP Module, a purpose-built 100 Gigabit Ethernet transceiver designed for fast, reliable, and scalable optical networking. Engineered for data networking and optical networks, this QSFP module delivers high-bandwidth connectivity over multi-mode fiber with a single LC duplex connector. Ideal for cloud deployments, enterprise campuses, and hyperscale environments, the Cisco QSFP Module is the single, dependable solution for 100GBASE-SR BiDi (Bi-Directional) signaling that keeps your network moving at the speed of modern business. Built to integrate seamlessly with Cisco platforms, it provides plug-and-play deployment, robust heat management, and optimized power efficiency to help you achieve lower total cost of ownership while expanding your network capacity.

• High-density 100G connectivity: This SR BiDi QSFP module delivers 100 Gigabit Ethernet over multi-mode fiber, enabling scalable uplinks and spine-leaf architectures in modern data centers while preserving valuable rack space and reducing port-sprawl.
• BiDi technology for fiber efficiency: The BiDi (Bi-Directional) approach uses two wavelengths on a single fiber pair, delivering the same high performance with enhanced fiber utilization and simplified cabling. This means fewer fibers to manage and easier upgrades for growing networks.
• LC duplex fiber interface: Features a 1 x LC duplex connector for clean, reliable optical connections. The LC interface is widely used in data centers and is compatible with standard multi-mode fiber paths (OM3/OM4) to support long-term network expansion.
• Cisco-optimized reliability and compatibility: Designed to integrate with Cisco switching and routing platforms, this module provides guaranteed compatibility, predictable performance, and straightforward maintenance. It’s the dependable choice for networks that demand uptime and consistency.
• Plug-and-play deployment for fast ROI: With hot-swappable, pluggable design and Cisco-grade engineering, deployment, testing, and troubleshooting are streamlined, reducing downtime and accelerating time-to-value for new fiber links and capacity upgrades.

Technical Details of Cisco QSFP Module

• Interface/Form Factor: QSFP28 form factor designed for 100GBASE-SR BiDi applications
• Data Rate: 100 Gigabit Ethernet (100G)
• Module Type: SR BiDi transceiver for multimode fiber
• Fiber Type: Multi-mode fiber (OM3/OM4 suitable); optimized for high-density data center deployments
• Connector: 1 x LC duplex optical connector

how to install Cisco QSFP Module

Follow these practical steps to install the Cisco QSFP Module in a compatible Cisco device and establish a reliable 100G link quickly:

• Power down the device or ensure maintenance mode as per your data center protocol, then locate an available QSFP28 port.
• Carefully remove the existing module or blanking insert from the QSFP28 port, taking care to avoid static discharge and dust ingress.
• Align the Cisco QSFP Module with the port and slide it straight into the slot until it seats firmly with a distinct click. Do not force the module; if it does not seat, re-check alignment.
• Attach the multimode fiber optic cable to the LC duplex connector, ensuring the connector is clean and free of dust or damage. Gently insert the fiber into the LC connector until it is secure.
• Power on the device and verify link status through the management interface or CLI. Run basic optical diagnostic checks if supported to confirm healthy transmit and receive channels.

Frequently asked questions

• What is the Cisco QSFP Module used for?
  It is a high-performance transceiver designed to provide 100G Ethernet connectivity over multi-mode fiber for data centers, campus networks, and cloud-scale architectures. It enables dense, scalable uplinks and interconnects between Cisco switches and routers that support QSFP28 100GBASE-SR BiDi modules.
• Is this module hot-swappable?
  Yes. It is designed for hot-swappable insertion in compatible Cisco devices, enabling maintenance or upgrades with minimal downtime when performed according to your equipment’s operational procedures.
• Which devices support this module?
  This 100GBASE-SR BiDi QSFP module is intended for Cisco devices that accept QSFP28 100G transceivers. Compatibility should be verified against Cisco’s official product compatibility matrix for your specific switch or router model.
• What fiber type is required?
  Multi-mode fiber (OM3 or OM4) with LC duplex connectors is recommended for optimal performance with this SR BiDi module. Ensure proper fiber cleanliness and correct termination practices for best results.
• What is the typical distance for 100GBASE-SR BiDi over MMF?
  Distance varies based on fiber grade (OM3/OM4) and system design. Consult Cisco documentation and link budget calculations for your specific link length, connector losses, and optical characteristics to determine exact reach.