Name: JL251 HPE Networking X142 40G QSFP+ LC LR4 SM Transceiver Module
Brand: HPE
SKU: JL251
Price: 367.00 USD
Availability: InStock
Rating: 4.8 (114 reviews)

Product Overview
The JL251 HPE Networking X142 40G QSFP+ LC LR4 SM Transceiver Module provides reliable 40 Gigabit Ethernet connectivity suitable for long-distance links. It fits into HPE’s X142 product line, offering solid integration for network expansions or upgrades focused on high-speed, single-mode fiber environments.

General Information
Brand	HPE
Part Number	JL251

Technical Information
Form Factor	QSFP+
Media	SMF
Type	4 x LAN WDM EML
Protocols	40GBASE-LR4
Connector	LC Duplex
DOM Support	Yes

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
This JL251 HPE Networking X142 40G QSFP+ LC LR4 SM Transceiver Module enables fast and reliable data transfer over long distances. It’s often found in enterprise network environments where high bandwidth and low latency are essential. The module converts electrical signals into optical signals, supporting connections up to 10 kilometers over single-mode fiber. Built for use with HPE Networking X142 series, it suits data centers and campus networks needing scalable 40 Gigabit Ethernet links. Network engineers and IT specialists benefit from its straightforward installation and stable performance. Key Features Offers 40 Gigabit per second data rates using QSFP+ interface Supports long-range transmission up to 10 km over single-mode fiber Employs LC connectors for secure and standardized fiber connections Compatible with HPE Networking X142 switches ensuring seamless integration Low power consumption helps reduce operational costs This transceiver module is typically deployed in data centers and backbone network segments where consistent high-speed links are critical. Its long-range capability helps bridge connections between buildings or floors without signal degradation. By using this module, organizations maintain stable network performance and support growing bandwidth demands without frequent hardware changes.

Use Cases
The JL251 HPE Networking X142 40G QSFP+ LC LR4 SM Transceiver Module is typically deployed in enterprise and data center environments requiring high-bandwidth, long-distance fiber connections. It is ideal for network engineers and IT professionals managing infrastructure that supports demanding applications such as virtualization, storage networking, and high-performance computing over single-mode fiber. How It's Used: Connecting aggregation switches in large data centers to optimize east-west traffic across single-mode fiber links. Extending 40G Ethernet connections between campus buildings or remote office locations within enterprise networks. Integrating with storage area networks (SANs) to provide resilient, high-speed data transfer for backup and archival workloads. Supporting high-throughput workloads in cloud service provider deployments requiring scalable long-range connectivity. Facilitating edge computing environments where reliable 40G uplinks are necessary for real-time data processing across distributed sites. This transceiver module enhances network efficiency by enabling scalable 40 Gigabit Ethernet links over long distances, ensuring performance consistency in complex fiber infrastructures. Its compatibility with HPE X142 platforms supports incremental upgrades and future-proofing of enterprise and data center networks.

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JL251 HPE Networking X142 40G QSFP+ LC LR4 SM Transceiver Module

JL251

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