Juniper Networks 740-056705 QSFP+ 40GBASE-LX4 40 Gigabit Optics for Up to 150 m Transmission with OM4 over Duplex MMF

Name: Juniper Networks 740-056705 QSFP+ 40GBASE-LX4 40 Gigabit Optics for Up to 150 m Transmission with OM4 over Duplex MMF
Brand: Juniper
SKU: 740-056705
Price: 149.85 USD
Availability: InStock
Rating: 5 (10 reviews)

Mfr. Part #: 740-056705

Brand: Juniper

Condition: Refurbished

Skip to the end of the images gallery

Skip to the beginning of the images gallery

-13%

Was: $172.33

You Save: $22.48 13% OFF

$149.85 In Stock - Ships Worldwide Order by 2:00 PM ET for Overnight Shipping
Warranty: 90-day return/replacement

Click here to read our Return Policy for returns/replacements.

740-056705

Quantity:

Extra 5% Off at Checkout

Genuine Guarantee
Volume Pricing Available

Request a Custom Quote

Free ground shipping within the

United States

Government, Federal & Education Procurement

We support quotes, POs, stock docs, and compliance invoicing.

Email: support@buyrouterswitch.com SAM.gov Registered Vendor CAGE Code : 23P86

overview

faqs

reviews

overview

740-056705 Overview

Juniper Networks 740-056705 Qsfp+ 40gbase-lx4 40 Gigabit Optics For Up To 150 M Transmission With Om4 Over Duplex Mmf.

Need help with 740-056705?

Get pricing, availability, lead time, and compatible options from our team. Chat with us live or email support@buyrouterswitch.com

faqs

Frequently Asked Questions

What is the primary function of the Juniper 740-056705 QSFP+ module in a data center environment? +

The Juniper 740-056705 is a high-density QSFP+ optical transceiver designed to provide high-speed connectivity for enterprise-grade networking equipment. It is typically utilized to aggregate multiple 10G links or to provide a high-bandwidth 40G backbone connection, enabling efficient data transmission between switches, routers, and server clusters in demanding, low-latency environments.

Which hardware platforms are compatible with the 740-056705 QSFP+ module? +

This module is engineered for seamless integration with a wide range of Juniper Networks switching and routing platforms that feature QSFP+ ports. To ensure full compatibility and prevent link-layer errors, it is recommended to verify the specific line card support within your Juniper hardware documentation before deployment, as port speeds and transceiver requirements can vary by chassis model.

Does the 740-056705 support breakout configurations for 4x10G connectivity? +

The 740-056705 is designed to operate within the standard QSFP+ specifications, which generally support breakout configurations when used with appropriate breakout cables. This allows network administrators to split a single 40GbE port into four individual 10GbE links, providing significant flexibility for connecting to lower-speed edge devices while maintaining a high-bandwidth uplink to the core switch.

How does the power consumption of the 740-056705 impact high-density switch configurations? +

Designed with power efficiency in mind, the 740-056705 is optimized to operate within the thermal envelopes defined by Juniper chassis specifications. In high-density deployments where every port is populated, this transceiver helps maintain efficient power draw, minimizing the thermal load on the switch's cooling system and contributing to a lower overall power consumption profile for your rack infrastructure.

Is the 740-056705 suitable for long-reach fiber optic cabling requirements? +

The reach of the 740-056705 depends on the underlying fiber media and the specific optical standard it adheres to. It is best suited for high-performance intra-rack or inter-rack connections. For precise distance limitations, installers should reference the specific optical budget provided in the Juniper hardware specifications to ensure signal integrity over the intended cable length and fiber type.

What are the key management features of this Juniper QSFP+ module? +

This module supports Digital Diagnostic Monitoring (DDM), which provides critical real-time performance data such as optical output power, input power, temperature, and transceiver supply voltage. These diagnostic features are essential for proactive network maintenance, allowing administrators to monitor the health of the physical layer through the Juniper Junos OS CLI and resolve connectivity issues before they impact traffic.

What precautions should be taken when installing the 740-056705 into a line card? +

Proper handling of the 740-056705 is critical to ensure long-term reliability. Always follow standard electrostatic discharge (ESD) prevention procedures during installation. Additionally, ensure that the optical interfaces remain clean and free of dust or debris before inserting the cable. Never force the module into a port; it should slide in smoothly until the latching mechanism clicks, ensuring a secure physical connection.

How does the 740-056705 compare to standard SFP+ modules in terms of performance? +

While SFP+ modules typically provide 10G connectivity, the 740-056705 QSFP+ module provides significantly higher bandwidth, reaching 40Gbps per port. This makes it an ideal choice for network core and aggregation layers where data throughput requirements exceed the capabilities of standard 10G interfaces. Upgrading to QSFP+ technology allows for a more streamlined cable management strategy while drastically increasing aggregate network capacity.

How can I obtain a bulk quote for multiple 740-056705 units for my enterprise project? +

For large-scale infrastructure deployments, BuyRouterSwitch.com offers specialized bulk pricing to accommodate your project budget. Please reach out to our sales team directly through our website’s quote request form with your required quantity and delivery timeline. Our dedicated representatives will provide a customized, competitive pricing structure tailored to the scale of your enterprise networking requirements.

Why should I choose BuyRouterSwitch.com for sourcing Juniper networking hardware? +

BuyRouterSwitch.com is a trusted source for enterprise-grade networking components, focusing on providing authentic, high-quality hardware for IT professionals. We prioritize secure procurement processes and maintain a deep inventory of essential modules like the 740-056705. Our deep industry knowledge and efficient fulfillment process ensure that your network infrastructure receives genuine equipment quickly and reliably, supporting your business's critical uptime and performance goals.

Reviews