Gigamon Compatible QSF-503 40GBASE-LR4 QSFP+ Transceiver (TAA Compliant, 1270/1290/1310/1330nm, 10km, DOM, SMF Duplex LC)

Elevate your data center and enterprise network with the Gigamon Compatible QSF-503, a functionally identical 40GBASE-LR4 QSFP+ transceiver designed for high-performance fiber optic links. Built to deliver reliable, long-reach connections, this transceiver supports four 10 Gbps lanes over a single SMF fiber strand, enabling scalable, cost-efficient uplinks for Ethernet LAN, data center interconnects, and Fibre Channel applications. With Digital Optical Monitoring (DOM) for real-time health visibility, TAA compliance for government and enterprise procurement, and Gigamon compatibility, the QSF-503 is a drop-in solution that combines interoperability with enterprise-grade reliability. It’s the right choice for networks that demand consistent throughput, simplified inventory, and predictable operation across mixed vendor environments.

• Interoperable, Gigamon-compatible QSFP+ module: The QSF-503 is designed to work seamlessly with Gigamon gear and supporting network hardware, delivering plug-and-play convenience in mixed-vendor environments while maintaining strict adherence to QSFP+ MSA standards for optical and electrical interfaces.
• High-density, long-reach LR4 optics: 40GBASE-LR4 specifies four 10 Gbps lanes across 1270/1290/1310/1330 nm wavelengths, enabling a single transceiver to carry multiple data streams over a single SMF link up to 10 kilometers, ideal for data center backbones and campus interconnects.
• Digital Optical Monitoring (DOM) for proactive maintenance: DOM support provides real-time monitoring of optical parameters such as optical power, temperature, and other critical diagnostics, helping IT teams anticipate faults and optimize link budgets before failures occur.
• TaA-compliant and field-ready: This transceiver is TAA compliant, meeting procurement requirements for U.S. federal and governmental agencies, and is built to withstand demanding data-center environments with robust reliability and consistent performance.
• Duplex SMF with LC connectors for flexible deployments: The module uses standard duplex LC connectors and single-mode fiber to support high-quality, low-loss links across enterprise and service provider networks, with easy routing and clean integration into existing fiber plant.

Technical Details of Gigamon Compatible QSF-503

• Product type: QSFP+ transceiver, 40GBASE-LR4
• Compatibility: Gigamon-compatible; functionally identical to standard QSF-503 modules
• Wavelengths (LR4): 1270 nm, 1290 nm, 1310 nm, 1330 nm
• Distance rating: Up to 10 kilometers on single-mode fiber (SMF)
• Fiber type: Single-Mode Fiber (SMF)
• Connector type: Duplex LC
• Data rate: 40 Gbps (4×10 Gbps lanes)
• Digital Optical Monitoring (DOM): Yes, for real-time optical diagnostics
• Compliance: TAA compliant; QSFP+ MSA compatible; functionally identical to standard parts
• Form factor: QSFP+ plug-in module; hot-swappable in supported devices
• Applications: Data center networks, Ethernet LAN, Fibre Channel, high-speed interconnects

How to install Gigamon Compatible QSF-503

• Prepare your equipment: Identify a compatible QSFP+ port on a switch, router, or network appliance that supports 40GBASE-LR4 transceivers. Confirm that the device firmware and hardware support LR4 optics and DOM reporting.
• Power considerations: In most modern data-center deployments, QSFP+ transceivers are hot-swappable. If your environment requires maintenance windows or a power-down, follow your facility’s standard safety procedures before removing or inserting any module.
• Insert the transceiver: Hold the transceiver by its edges and align it with the QSFP+ port. Do not apply lateral force. Gently push until the module seats and a subtle click confirms engagement. Ensure the latch is secure to avoid inadvertent removal.
• Attach the fiber cable: Connect a clean SMF duplex LC cable to the transceiver. Verify proper polarity and ensure the fiber is free of dust and scratches. Route fiber to minimize bends and secure connections to prevent inadvertent disconnections.
• Verify link status and DOM: Power up the device (if required) and check the port status via the device’s management interface. Confirm that the link is up and that DOM readings (optical transmit/receive power, temperature, and bias) are within expected ranges. If DOM data is unavailable, review firmware compatibility and port configuration.
• Troubleshooting steps: If the link fails to come up, reseat the transceiver or swap it with a known-good module in the same port to isolate a potential port issue. Check fiber integrity, connectors, and ensure that you’re using high-quality SMF designed for LR4 operation.
• Operational notes: Maintain proper fiber management practices and cleanliness. Avoid excessive bending radii and ensure connectors are kept clean to preserve the LR4 link budget and performance over the 10 km distance.

Frequently asked questions

• Q: What is 40GBASE-LR4? A: 40GBASE-LR4 is a QSFP+ optical standard that carries four 10 Gbps lanes over a single-mode fiber link, using four wavelengths (1270/1290/1310/1330 nm) to achieve 40 Gbps total bandwidth over distances up to 10 kilometers.
• Q: Is the QSF-503 compatible with Gigamon devices? A: Yes. The QSF-503 is described as Gigamon compatible and is designed to function identically to standard QSFP+ LR4 transceivers, ensuring interoperability with compatible gear and software.
• Q: What does DOM mean for this transceiver? A: DOM stands for Digital Optical Monitoring. It provides real-time telemetry such as optical power levels, temperature, and transceiver health data to help monitor link quality and detect potential issues before they affect performance.
• Q: Is this transceiver compliant with trade and procurement standards? A: The QSF-503 is TAA compliant, making it suitable for purchase by U.S. federal government agencies and other customers requiring TAA-compliant hardware.
• Q: What fiber and connector types are used? A: This LR4 transceiver uses Single-Mode Fiber (SMF) with duplex LC connectors, enabling long-reach connections suitable for data center backbones and campus networks.