Juniper 740-045928 10 GBE Optics Transceiver
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Juniper 740-045928 10 GBE Optics Transceiver 1550 NM for 80 Refurbished

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Part Number#: 740-045928
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Short Description:
740-045928 10 Gigabit Ethernet (GBE) Optics Transceiver Small Form Factor (SFF+) 1550 NM for 80 KM Transmission on Single Mode Fiber Optic System Management Facility (SMF) | Made by Juniper | Refurbished
Juniper Networks
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Juniper 740-045928 Transceiver

In today's digital world, high-speed data transmission is crucial for businesses and individuals alike. Juniper Networks is a renowned company that provides a wide range of networking solutions, including optics for various applications. One of their notable products is the Juniper 740-045928 10 GBE Small Form Factor (SFF+) Optics designed for long-distance transmission on single-mode fiber (SMF). In this article, we will delve into the details of this product, its features, specifications, and its importance in the world of networking.

Understanding Optical 10 Gigabit Transceivers

Before we dive into the specifics of the Juniper 740-045928 optics, let's begin by understanding the basics of optical transceivers. These small devices play a crucial role in modern data networks. Optical transceivers are used to convert electrical signals into optical signals and vice versa. They are an integral part of data transmission in networks, helping in the efficient transfer of data over long distances.

Small Form Factor Optics

Small Form Factor Pluggable Plus (SFF+) optics, also known as SFP+ optics, are a compact type of optical transceiver commonly used in data centers and enterprise networks. These optics are designed to be hot-swappable, meaning they can be installed or removed from a network device without powering it down. The SFF+ form factor is known for its versatility and is compatible with a wide range of networking equipment.

Features of Juniper 740-045928 10 GBE SFF+ Optics

The Juniper 740-045928 10 GBE SFF+ optics come with a set of features that make them a valuable choice for long-distance data transmission on single-mode fiber. Let's explore these features in detail:

10 Gigabit Ethernet Speed

The Juniper 740-045928 optics support 10 Gigabit Ethernet (10 GbE) speed, which is a high data rate suitable for demanding networking applications. With this high-speed capability, these optics are ideal for scenarios where large volumes of data need to be transmitted quickly and efficiently.

1550 NM Wavelength

Wavelength is a crucial factor in optical communication. The Juniper 740-045928 optics operate at a wavelength of 1550 nanometers (NM). This specific wavelength is commonly used in long-distance optical communication because it has low attenuation in optical fibers, making it suitable for transmission over extended distances.

80 KM Transmission Distance

One of the standout features of the Juniper 740-045928 optics is their ability to transmit data over a distance of up to 80 kilometers (KM) on single-mode fiber (SMF). Single Mode Fiber is designed for long-haul communication, and this 80 KM range makes the optics suitable for applications where data needs to travel significant distances without signal degradation.

Compatibility with Juniper Networks

These optics are specifically designed for Juniper Networks equipment, ensuring seamless integration with Juniper's networking products. Compatibility is a critical aspect of any optical transceiver, as it guarantees that the device will work effectively with the networking hardware it is intended for.

Hot-Swappable Design

The Juniper 740-045928 optics feature a hot-swappable design, allowing for easy installation and removal without disrupting network operations. This convenience is especially important in data center environments where minimizing downtime is essential.

Specifications of Juniper 740-045928 10 GBE SFF+ Optics

Now that we've covered the key features, let's delve into the technical specifications of the Juniper 740-045928 optics:

Form Factor

The Juniper 740-045928 optics are in the SFF+ (SFP+) form factor, which is a compact and widely adopted form factor in the networking industry. This form factor ensures compatibility with various networking devices that support SFP+ modules.

Data Rate

As mentioned earlier, these optics support a data rate of 10 Gigabits per second (10 GbE). This high-speed capability is suitable for a broad range of networking applications, including data centers, high-performance computing, and more.


The optics operate at a specific wavelength of 1550 NM. This wavelength is optimized for long-distance data transmission, making it ideal for scenarios where data needs to traverse significant distances.

Transmission Distance

One of the standout specifications of the Juniper 740-045928 optics is their 80 KM transmission distance on single-mode fiber. This means they can effectively transmit data over an impressive 80 kilometers without signal degradation, making them a reliable choice for long-haul communication.

Connector Type

These optics are typically equipped with LC (Lucent Connector) duplex connectors. LC connectors are commonly used in networking equipment and provide a secure and efficient connection.


The Juniper 740-045928 optics are designed for Juniper Networks equipment. This ensures that they are fully compatible with Juniper's networking devices, ensuring a seamless and reliable performance when integrated with Juniper hardware.

Temperature Range

These optics are designed to operate within a specific temperature range. It is important to consider this specification, especially in environments where temperature variations can occur. The specified temperature range for these optics is usually within the industry standard.

The Importance of Long-Distance Optics

Now that we have a comprehensive understanding of the Juniper 740-045928 10 GBE SFF+ optics and their features and specifications, let's explore why long-distance optics are essential in modern networking.

Data Center Connectivity

Data centers are at the heart of modern computing and cloud services. They require high-speed and long-distance connectivity to ensure data can be transferred efficiently within the data center and between data centers. Long-distance optics like the Juniper 740-045928 are critical in connecting data centers to meet the growing demands of data transfer.

High-Performance Computing

High-performance computing (HPC) involves complex calculations and simulations that require massive amounts of data to be processed and transferred. These computations are often distributed across multiple nodes and data centers. Long-distance optics enable high-speed data transfer for HPC applications.


Telecommunications networks, including both wired and wireless, rely on long-distance optics for interconnecting different network nodes, towers, and central offices. These optics play a key role in ensuring voice and data services can be delivered to customers over vast geographical areas.

Internet Service Providers

Internet Service Providers (ISPs) use long-distance optics to connect their core network infrastructure, data centers, and Points of Presence (PoPs). These connections are vital for ensuring a reliable and high-speed internet service for consumers and businesses.

Remote Backup and Disaster Recovery

For businesses, maintaining remote backups and disaster recovery sites is crucial. Long-distance optics facilitate the replication of data to geographically distant locations, ensuring that critical data is protected in the event of a disaster.

Research and Education

Research institutions and educational facilities often require high-speed, long-distance data connections for collaborative projects, data sharing, and accessing remote resources. These optics support the seamless exchange of information across institutions.

Video Streaming and Content Delivery

In the age of online video streaming and content delivery networks (CDNs), long-distance optics are used to connect data centers and distribution points. This ensures that video content can be delivered quickly and efficiently to end-users, regardless of their location.

Remote Sensing and Surveillance

Long-distance optics are also essential for remote sensing and surveillance applications. They enable the transmission of data and video feeds from remote cameras and sensors to central control centers.

Choosing the Right Optics for Your Needs

Selecting the right optical transceivers for your networking needs is essential. The choice of optics depends on various factors, including the distance over which data needs to be transmitted, the data rate required, and the compatibility with your networking equipment. The Juniper 740-045928 optics are an excellent choice for long-distance, high-speed data transmission, especially when used with Juniper Networks hardware. However, it's crucial to evaluate your specific requirements before making a selection.

Compatibility with Networking Equipment

Before choosing optics, you should verify their compatibility with your networking equipment. Some optics are designed for specific brands and models, while others have a broader compatibility range. It's essential to ensure that the optics you select work seamlessly with your existing hardware.

Data Rate

The required data rate is another crucial consideration. If you need to support 10 Gigabit Ethernet, as in the case of the Juniper 740-045928 optics, ensure that your chosen optics can meet this data rate. If you have higher speed requirements, such as 40 GbE or 100 GbE, you'll need to select optics that match those specifications.

Transmission Distance

The distance over which you need to transmit data is a key factor in selecting optics. If you require long-distance transmission over tens of kilometers, then optics like the Juniper 740-045928, with an 80 KM transmission range, are ideal. However, if you need shorter-distance communication, there are optics designed for those purposes as well.


Wavelength compatibility is important, especially if your network has specific requirements. While 1550 NM is suitable for long-distance transmission, some applications may benefit from other wavelengths. Ensure that your selected optics align with your wavelength requirements.

Environmental Considerations

Consider the environmental conditions in which your optics will operate. Temperature range, humidity, and other factors can impact the performance and lifespan of optical transceivers. Ensure that your chosen optics can withstand the conditions in your network environment.

Cost Considerations

Budget is an important factor in any networking equipment purchase. While it's essential to choose high-quality optics that meet your requirements, it's also prudent to consider cost-effectiveness. Compare the prices of different optics that meet your criteria and select the one that offers the best balance of features and affordability.

General Information about the Juniper 740-045928 Transceiver
  • Manufacturer: Juniper
  • Model Number or SKU# 740-045928
  • Product Type: Transceiver
Technical information of the Juniper Transceiver
  • Speed 10 Gigabit Ethernet
  • Breakout Capable No
  • Transceiver Type Sfp+
  • Connector Duplex Lc

In summary, the Juniper 740-045928 10 Gigabit Ethernet SFF+ Optics designed for 80 KM transmission on single-mode fiber play a crucial role in enabling high-speed, long-distance data communication. These optics offer a range of features, including 10 GbE speed, 1550 NM wavelength, 80 KM transmission distance, compatibility with Juniper Networks, and a hot-swappable design. Long-distance optics are essential for various applications, including data center connectivity, high-performance computing, telecommunications, internet service providers, research and education, video streaming, and remote sensing. They enable the efficient transfer of data over extended distances, supporting the growing demands of our interconnected world. When selecting optics for your specific networking needs, consider factors such as compatibility with your equipment, data rate, transmission distance, wavelength, environmental conditions, and cost. The right choice of optics can significantly impact the performance and reliability of your network, ensuring that data is transferred seamlessly and efficiently over long distances.

Juniper Networks
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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