Juniper Compatible QFX-QSFP-40GE-SR4 Transceiver – 40GBASE-SR4 QSFP+ 4x850nm, MPO/MTP

This Juniper compatible QFX-QSFP-40GE-SR4 transceiver from ENET is engineered to deliver reliable, high-performance 40G networking with a cost-efficient, OEM-compatible footprint. Functionally identical to the original OEM part, it provides a seamless plug-and-play replacement for Juniper QFX-series switches, delivering the same data rates, wavelengths, and fiber compatibility at a fraction of the price. TAA compliant and backed by a guarantee of compatibility, this transceiver is an ideal upgrade or spare for data centers, enterprise networks, and high-bandwidth campus deployments that demand robust, field-proven optics without sacrificing quality or functionality.

• 40GBASE-SR4 QSFP+ transceiver with four parallel 850 nm VCSEL channels for high-density, multi-lane data transmission over multimode fiber. This enables 40 gigabits per second of aggregate throughput using four separate 10 Gbps lanes, delivering exceptional performance for east-west and north-south traffic in modern data centers.
• MPO/MTP connector supports high-density fiber connectivity, simplifying cabling in crowded data-center racks and enabling faster deployment with fewer bulky connections. The MPO/MTP interface is designed for efficient aggregation of four 10G lanes into a single QSFP+ package.
• OEM-compatible, ENET guaranteed optics offer a cost-effective, 100% guaranteed compatible solution compared to OEM products. ENET’s compatibility guarantee provides the confidence you need when refreshing or expanding a Juniper QFX deployment, while preserving performance, features, and reliability.
• TAA compliant optical transceivers are sourced and manufactured to meet Trade Agreement Act requirements, making them suitable for use in compliant government and enterprise environments without compliance concerns.
• Broad device compatibility with Juniper QFX switches and other vendor ecosystems seeking a reliable SR4 solution. This transceiver is engineered to function in real-world network conditions, supporting typical deployment scenarios—from campus backbones to data-center-leaf architectures—without the need for extensive reconfiguration.

Technical Details of Juniper Compatible QFX-QSFP-40GE-SR4

• Product Type: 40GBASE-SR4 QSFP+ Transceiver (Quad Small Form-factor Pluggable Plus)
• Form Factor: QSFP+ (4x lanes, 40 Gigabits per second total)
• Wavelength: 850 nm VCSEL lasers for multimode fiber
• Data Rate: 40 Gbps aggregate (4x 10 Gbps lanes)
• Fiber Type: Multimode fiber (OM3/OM4 typical deployments recommended)
• Connector: MPO/MTP high-density multi-fiber interface
• Distance/Reach: Up to 550 meters on suitable multimode fiber configurations per product specification
• Compatibility: Juniper QFX-series switches and other network devices that accept SR4 QSFP+ modules; 100% guaranteed compatible with ENET’s OEM-compatible optics
• Compliance: TAA compliant

How to Install Juniper Compatible QFX-QSFP-40GE-SR4

Installing this transceiver in a compatible Juniper QFX switch or other SR4-capable device is designed to be straightforward and user-friendly. Follow these steps to ensure a successful deployment and optimum performance:

1) Power down or prepare for hot-swapping according to your equipment policy. In many data-center environments, hot-swapping is supported, but always verify your device’s guidelines before removal or insertion.

2) Identify the appropriate QSFP+ slot on your Juniper QFX switch. Confirm that the port type and speed settings align with 40GBASE-SR4 requirements.

3) Remove the existing transceiver blank or existing module carefully, ensuring no damage to the slot or surrounding components.

4) Align the ENET QFX-QSFP-40GE-SR4 module with the slot’s keying and gently insert until it seats securely. A definitive click usually indicates proper engagement.

5) Reconnect any necessary fiber harnesses, ensuring the MPO/MTP connector is clean and properly mated. Avoid force or misalignment, which can cause fiber damage or degraded performance.

6) Reapply power (or resume normal operation if hot-swapping). Check the device’s status LEDs to confirm module recognition and link establishment. Install any required device-specific drivers or firmware updates if prompted by your switch, and verify a stable 40G link on the port.

7) Run a basic connectivity test, validating throughput and error rates across the 40G link. If available, leverage digital diagnostic monitoring (DDM/DOM) features to monitor optical performance over time and address potential deviations proactively.

8) Maintain fiber health by using appropriate cleaning procedures for MPO/MTP connectors and ensuring fiber end faces are free of dust, scratches, or contamination. Regular maintenance helps sustain optimal link budget and reduces the risk of transmission errors.

9) Document the installation for internal change management, including port assignment, cable routing, and any performance observations. This documentation supports future deployments, upgrades, or troubleshooting.

10) If you encounter compatibility concerns, verify that you are using a genuine ENET-compatible module designed to be functionally identical to OEM parts and ensure the device firmware and port settings align with SR4 specifications. In most cases, compatibility and performance will match OEM behavior, delivering dependable 40G scalability in your network.

Frequently asked questions

• Q: Is this transceiver truly compatible with Juniper QFX switches?
  A: Yes. It is designed to be functionally identical to OEM parts and is tested for compatibility with Juniper QFX-series devices, delivering the same performance and features you rely on.
• Q: What fiber type and distance are supported?
  A: The transceiver is designed for multimode fiber and supports SR4 operation. Per the product specification, it supports up to 550 meters under appropriate multimode fiber configurations; actual distance depends on fiber grade (OM3/OM4) and installation conditions.
• Q: Does this module require any special licensing or firmware?
  A: In most cases, no special licenses are required. It functions as a standard SR4 QSFP+ transceiver, and compatibility is guaranteed by ENET. If your device prompts for firmware or driver updates, follow your vendor’s recommended guidelines.
• Q: Is it hot-swappable?
  A: Yes. The QSFP+ form factor is designed for hot-swapping in supported switches. Always follow your equipment’s hot-swapping procedures to minimize risk to the network.
• Q: What is the warranty and support coverage?
  A: ENET provides a compatibility guarantee and standard warranty terms for OEM-compatible optics. Please consult the vendor’s current warranty policy for details on duration and coverage.