Accortec SRX-QSFP-40G-LR4 QSFP+ Module

The Accortec SRX-QSFP-40G-LR4 QSFP+ Module is engineered for modern data centers that demand high-speed, reliable interconnects. Designed to deliver 40 Gigabit-per-second uplinks over single-mode fiber, this LR4 transceiver balances advanced optics with robust electrical and thermal design. Whether you’re expanding your core network, consolidating server-to-server connectivity, or optimizing spine-leaf architectures, the SRX-QSFP-40G-LR4 is built to meet the rigorous needs of multi-vendor environments while maintaining seamless interoperability and straightforward deployment. For organizations pursuing low latency, high bandwidth, and future-proof scalability, this QSFP+ module offers a compelling combination of performance, efficiency, and reliability.

• High-capacity 40G connectivity in a compact QSFP+ form factor: The SRX-QSFP-40G-LR4 delivers 40 Gbps of aggregate data throughput across four 10 Gbps lanes, enabling scalable uplinks and inter-switch links. Its QSFP+ footprint minimizes rack space while maximizing port density, making it ideal for data centers, enterprise cores, and high-performance computing clusters. The module is designed to plug into compatible Switches and Routers that support 40GBASE-LR4, providing a seamless upgrade path from lower-speed interfaces without overhauling your networking fabric.
• LR4 optics optimized for long-reach single-mode fiber: Utilizing four 1310 nm channels, the LR4 technology enables long-distance transmissions over single-mode fiber with reduced dispersion and tight channel spacing. This makes the SRX-QSFP-40G-LR4 well-suited for data-center interconnects, metro deployments, and campus backbones, where longer link distances translate into fewer intermediate switches and simpler fiber management.
• Versatile, multi-vendor interoperability and standard-compliant design: Built to align with industry standards such as IEEE 802.3ba 40GBASE-LR4 and related MSA specifications, this module is crafted for cross-vendor compatibility. That means you can mix with other 40G-LR4 transceivers and compatible switch ports with confidence, easing procurement and simplifying maintenance across heterogeneous networks.
• Smart diagnostics and reliable operation: The SRX-QSFP-40G-LR4 supports digital diagnostics monitoring (DDM) for real-time insight into optical power, temperature, bias current, and supply voltages. This intelligence helps network engineers monitor link health, predict failures before they impact services, and perform proactive maintenance. The transceiver’s robust electro-optical design minimizes bit error rates and supports steady performance even under demanding traffic patterns.
• Ease of deployment, hot-swappable, and built for uptime: Designed as a hot-plug module, the SRX-QSFP-40G-LR4 integrates into standard QSFP+ slots found on many enterprise and data-center switches. Its rugged construction, compliance with safety and EMI standards, and minimal power footprint contribute to faster maintenance windows and improved rack efficiency, helping teams meet aggressive deployment timelines without sacrificing reliability.

Technical Details of Accortec SRX-QSFP-40G-LR4 QSFP+ Module

• Form factor: QSFP+ module designed for hot-swappable installation in compatible switches and routers.
• Interface: 40GBASE-LR4 with four 10 Gbps lanes, enabling aggregated 40 Gbps data rate across a single transceiver.
• Optical type: LR4 (Long Reach) using four wavelengths in the 1310 nm region for single-mode fiber.
• Wavelength: Primarily 1310 nm per channel, optimized for low attenuation and dispersion over standard SMF.
• Fiber type and distance: Designed for single-mode fiber with reach up to several kilometers (typical LR4 distance capabilities reach up to 10 km on appropriate SMF connections, depending on fiber quality and enclosure).
• Connector: MTP/MPO interface supporting parallel optical lanes for high-density connections.
• Compliance and interoperability: Built to align with 40GBASE-LR4 standards and compatible with multi-vendor data-center ecosystems, ensuring reliable interop across major switch platforms.
• Diagnostics: Digital Diagnostics Monitoring (DDM) support for monitoring optical power, temperature, current, and voltages to aid proactive maintenance.
• Environmental and safety: Engineered for robust performance in data-center environments with emphasis on EMI/EMC compliance and hot-plug capability for simplified serviceability.

how to install Accortec SRX-QSFP-40G-LR4 QSFP+ Module

• Prepare the hardware and ensure the target switch or router supports 40GBASE-LR4 in QSFP+ form factor. Power down the host or follow your device’s hot-plug guidance if your platform supports non-disruptive insertion. In many setups, hot-swapping is allowed, but consult your equipment’s maintenance procedures to minimize risk.
• Remove the empty or existing QSFP+ slot blank or existing module carefully according to your hardware vendor’s guidelines. Avoid touching connector ends and handle the module by its edges to prevent contamination.
• Align the SRX-QSFP-40G-LR4 with the slot and gently press it straight into the connector until it seats firmly. A click or tactile confirmation commonly indicates proper engagement. Do not apply sideways force or twist the module during insertion.
• Secure the module in place if your chassis provides retention mechanisms. Verify the module is seated evenly and that any latch or screw-based retention is engaged per the device’s manual.
• Connect your fiber cables to the MTP/MPO connector, ensuring that you use proper fiber polarity and adhere to recommended fiber clean and inspection procedures. Use fiber-cleaning kits and lint-free wipes to maintain optimal optical performance.
• Power up the device or re-enable the port and monitor the link status. Use your switch’s GUI/CLI to verify the 40G link is established, confirm no alarm indicators, and run a basic throughput test to validate performance. If you have DDMM (digital diagnostics monitoring) enabled, review the optical power and operating temperatures to ensure the module operates within the expected range.
• Maintain documentation for future reference, including the module’s serial number, firmware compatibility notes, and your fiber link distance. Regularly inspect the fiber connections and re-test after any cabling changes to ensure ongoing performance and reliability.

Frequently asked questions

• Q: What is LR4 in a QSFP+ module?

  A: LR4 refers to Long Reach 4-lane optics that use four 1310 nm wavelengths to carry 40 Gbps over single-mode fiber. It is designed for long-distance links between data center devices and offers high-capacity uplinks with good dispersion characteristics suitable for inter-switch or data center interconnects.

• Q: What devices are compatible with the Accortec SRX-QSFP-40G-LR4?

  A: The module is intended for switches and routers that support 40GBASE-LR4 QSFP+ interfaces. It is designed for multi-vendor interoperability, but you should verify compatibility with specific hardware models and firmware versions in your environment to ensure optimal operation and feature support (e.g., DDM, link training, and vendor-specific management features).

• Q: What type of fiber and distance can I expect?

  A: LR4 optics use single-mode fiber (SMF). Typical reach for LR4 can extend up to approximately 10 kilometers under favorable fiber conditions, depending on fiber quality, connector losses, and enclosure specifics. Always consult your network design and perform link testing to confirm the actual distance for your deployment.

• Q: Do these modules support monitoring and diagnostics?

  A: Yes. Many LR4 QSFP+ modules support Digital Diagnostics Monitoring (DDM), enabling real-time monitoring of parameters such as optical power, temperature, and supply voltages. This helps with proactive maintenance and rapid troubleshooting of link issues.

• Q: How do I ensure I install it correctly?

  A: Follow the step-by-step installation guidance in the product documentation: verify compatibility, power down if required by your platform, insert the module firmly into the QSFP+ slot, connect SMF cables with careful fiber handling, power up, and verify link status. Always handle optical connections with clean care and maintain proper polarity and labeling to prevent insertion errors.

• Q: What standards does this module comply with?

  A: The Accortec SRX-QSFP-40G-LR4 is designed to meet industry standards for 40GBASE-LR4 transceivers, including IEEE 802.3ba and related SFP/QSFP MSA guidelines. Compliance helps ensure interoperability, quality, and predictable performance across a broad range of network devices and vendors.