Juniper Networks 740-045627 QSFP+ 40GBase-eSR4 40 Gigabit Optics, 850nm for up to 300m Transmission on MMF

Name: Juniper Networks 740-045627 QSFP+ 40GBase-eSR4 40 Gigabit Optics, 850nm for up to 300m Transmission on MMF
Brand: Juniper
SKU: 740-045627
Price: 259.90 USD
Availability: InStock
Rating: 5 (8 reviews)

Mfr. Part #: 740-045627

Brand: Juniper

Condition: Refurbished

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Frequently Asked Questions

What is the primary function of the Juniper 740-045627 QSFP+ module in a data center environment? +

The Juniper 740-045627 is a high-performance QSFP+ transceiver designed for high-density 40GbE connectivity. It serves as a critical interface for linking core switches, routers, and high-speed server uplinks. By utilizing this module, network architects can effectively scale their bandwidth requirements while maintaining low latency and optimal signal integrity across short-to-medium range fiber optic cabling within the data center rack or between rows.

Which Juniper hardware platforms are compatible with the 740-045627 transceiver? +

This module is engineered for seamless integration across a wide range of Juniper Networks platforms, including the QFX and EX series switches. It is specifically tested to ensure full interoperability with Juniper's Junos OS, preventing compatibility errors that often arise with third-party transceivers. We recommend verifying your specific switch model’s datasheet to confirm port support for QSFP+ 40G standards before installation.

Can the 740-045627 support breakout configurations for 4x10GbE connectivity? +

The 740-045627 is designed to adhere to standard QSFP+ specifications, which typically support 40GbE throughput. While the module manages the physical layer transmission, the ability to utilize breakout cables to split a single 40G port into four 10G channels depends heavily on the specific configuration and licensing of the host Juniper switch port. Ensure your device software is updated to support breakout modes if your architecture requires this functionality.

How does the performance of the 740-045627 impact network latency compared to copper cabling? +

Utilizing the 740-045627 for fiber-based transmission significantly reduces latency and electromagnetic interference risks compared to traditional copper DAC cables. As an optical transceiver, it ensures high-fidelity data transfer over longer distances without signal degradation. This makes it the superior choice for mission-critical applications where high throughput and reliable packet delivery are non-negotiable requirements for network stability.

What is the recommended fiber media type to use with this QSFP+ module? +

For optimal results, the 740-045627 should be paired with high-quality MPO or LC fiber patch cables, depending on the specific optical interface type of your module variant. It is essential to ensure that your fiber cabling matches the reach and mode specifications of the transceiver to maintain signal integrity. Always inspect and clean your fiber connectors before deployment to prevent light loss caused by dust or contamination.

Does the 740-045627 require specific firmware updates for installation? +

Generally, Juniper hardware is designed for plug-and-play functionality once inserted into a supported switch port. The system typically auto-detects the 740-045627 upon connection. However, maintaining the latest version of Junos OS on your switch is a best practice to ensure the most current vendor IDs and environmental monitoring parameters are recognized, allowing for accurate power and temperature reporting within the CLI.

How should I handle the 740-045627 to ensure maximum reliability and longevity? +

To preserve the life of your transceiver, always use anti-static protection when handling the module. Avoid touching the optical bore or the gold contact fingers, as oils from skin can impair signal quality. When not in use, ensure the protective dust plug is firmly inserted into the port to prevent debris from obscuring the laser optics, which could otherwise lead to link flapping or total connection failure.

What are the environmental operating limits for the 740-045627? +

This transceiver is built to operate reliably within standard data center temperature and humidity ranges. It includes internal monitoring sensors that report real-time operating metrics to the host switch. If the environment exceeds the specified thermal threshold, the switch may log alerts or take protective action to prevent hardware damage, so maintaining consistent cooling and airflow within your server rack is critical.

How can I obtain a bulk price quote for the 740-045627 on BuyRouterSwitch.com? +

If your infrastructure project requires a large volume of 740-045627 modules, we make procurement simple. Visit our bulk quote page or contact our sales team directly to discuss your project requirements. We specialize in enterprise-scale fulfillment and can provide competitive pricing structures tailored to your organization's specific budgetary needs, ensuring you receive the best value for your networking hardware investments.

Why should I purchase the 740-045627 from BuyRouterSwitch.com? +

Choosing BuyRouterSwitch.com ensures you are receiving genuine, authentic networking hardware sourced from authorized channels. We prioritize security and reliability in our supply chain, providing enterprise buyers with the peace of mind that their equipment is verified and ready for deployment. Our dedicated team is focused on providing a streamlined purchasing experience for IT professionals and procurement departments seeking high-quality Juniper networking components.

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