In contemporary networking, a 48-port Gigabit Ethernet Power over Ethernet (PoE) switch holds untold business value because of its flexibility and completeness. With the rising popularity of IP devices like cameras, VoIP phones, and wireless access points, there is an increasing need for a centralized system that can both power and connect these devices. This article will cover the advantages of a 48-port Gigabit Ethernet PoE switch, ranging from operational efficiency, infrastructure simplicity and network scalability. It does not matter if you are managing a corporate network or designing a smart building; knowing how this technology can impact performance and productivity is crucial. Continue reading to understand how this powerful switch can vary your networking experience.
What is a 48-Port Gigabit Ethernet PoE Switch?
An economical networking solution for medium to low scale enterprises that require flexible branch configurations is the 48 port Gigabit Ethernet PoE Switch, which allows users to controllably link different devices simultaneously over a common communication channel (“PoE” – Power over Ethernet). The switch allows for the connection of up to 48 devices (or IP cameras, VoIP phones) and supports high data transfer rates (Gigabit Ethernet), making it appropriate for larger networks. Additionally, the Switch receives, transmits, and fuels the connected devices through a single Ethernet cable, which enhances operational efficiency and reduces the need for excessive installations.
Key Features of a 48-Port Gigabit Switch
All Ports Scalability for Networks
A 48-port gigabit switch has extensive connectivity features which makes it compatible for use in data centers, large enterprises and educational institutions. Its 48 Gigabit Ethernet ports enable optimum device usage as multiple connected devices can be data streamed through the network at the same time.
Performance of Gigabit Ethernet
Each port can support up to 1 Gbps which enhances maximum network data throughput. This is perfect for bandwidth sensitive functions like streaming videos, transferring large files, and even running virtualization platforms like using 48 port gigabit switches.
Support for Power over Ethernet (PoE/PoE+) is critical for device usage nowadays, especially on a 48 port gigabit PoE switch where devices that are connected will be powered properly.
Very few 48-port switches support PoE or PoE+ but those which do, like IP cameras, VoIP phones, and Wireless Access Points, automatically receive data and electricity through a single line. This feature reduces the cost of infrastructure devices as independent power sources become redundant. A power supply over ethernet port can give up to 30 watts which is greatly beneficial for sophisticated devices with higher power requirements.
Enhanced Layer 2 and Layer 3 Functions
Most modern switches have Routing which goes the extra mile to include sophisticated networking features like VLANs, QoS, link aggregation. Such techniques are capable of improving the concentration of different networks, optimizing prioritization of traffic, and improving efficiency.
Strong Backplane Bandwidth
In an environment of high demand, operations need to maintain smooth stability. Typical in a 48-port gigabit switch, the backplane or switching capacity needs to remain above 104 Gbps- which is the average threshold that most ports run on and do not bottleneck at with all devices facing traffic.
Eco-Friendly
Biodiversity is becoming increasingly important, and with modern 48-port switches enabling standards of EEE, environmental goals become easier. Operational cost reduces as the consumption of power becomes modified based on activity level.
Thorough Port Security Implemented
802.1X- which is port authentication, ACL, and DoS prevention are advanced security methods that are capable of achieving profuse protection to networks against falling into unwanted risks of breach.
Option for Redundancy and Stacking
Unified management controls become available for easy use with stacking as this is where multiple 48-port switches act as single switch. General and standing features that most switches have are included failover abilities in case of hardware failure that allow for seamless functioning of the network.
Ease of Management and Monitoring
With the inclusion of management tools like SNMP (Simple Network Management Protocol), web-based interfaces, or cloud-based solutions, system administrators can easily configure and monitor the performance of the network. Some models also feature real-time analytics and troubleshooting capabilities, improving self-service and remote epidemiology for technicians.
Fanless or Low-Noise Operation
Depending on the model, these switches may come with quiet fans or be fanless. This makes them appropriate for use in offices and enterprise settings without adding significant environmental noise.
The flexibility and modification capabilities already present in the device configuration make it possible to control and process bandwidth-intensive applications such as high-definition video and multimedia conferencing over IP easily.
How Power Over Ethernet (PoE) Works in a Switch
Power over Ethernet (PoE) allows network switches to supply power and data through a single Ethernet cable, simplifying the installation process and decreasing the number of power outlets needed for the connected devices. This approach is very useful in situations where technology such as IP cameras, VoIP phones, wireless access points, or IoT devices need power, and the installation of extra power lines is difficult or expensive.
A PoE switch sends DC power and Ethernet data through the open ports to the connected devices. The amount of power supplied by a PoE switch is limited by certain standards, the most common being IEEE 802.3af (PoE), which provides 15.4 watts per port, and IEEE 802.3at (PoE+), which provides 30 watts per port. More powerful standards exist, such as IEEE 802.3bt (PoE++), which can provide up to 60 watts per port in Type 3 and 100 watts in Type 4. These increased power limits are critical for high-consumption devices like LED lights or pan-tilt-zoom (PTZ) cameras.
Each PoE switch optimizes energy use and ensures that power is only allocated to devices that can use it through power management features. This is achieved by employing protocols like Link Layer Discovery Protocol (LLDP), which talks to other devices on the network to determine power needs in real time. For example, if a device attached to the 48-port gigabit PoE switch uses less power than the port can provide, the switch will scale down its provision to save energy.
Moreover, all modern PoE switches also include certain protective features like overload, short-circuit, and power prioritization. These features guarantee uninterrupted power flow to essential devices while safeguarding the efficient use of the switch’s total capacity. An illustrative case is a 48-port PoE switch, which in enterprise models exceeds 370 watts, is configured to set a total PoE budget on all ports with a balanced draw-exceed allocation scheme.
The incorporation of PoE in network switches has profoundly impacted the deployment of devices in commercial, industrial and residential areas. Simplifying the design of the infrastructure while providing multiple options for powering devices and continuous data flow make PoE essential in networking equipment.
Advantages of Using a 48-Port PoE Switch in Networks
Expressive Throughput in Deployment Port Density
The 48-port PoE switch functions as a single point of connection on large networks due to its high degree of flexibility. It efficiently manages large infrastructures with a single switch in cases where up to 48 devices like IP cameras, wireless access points, VoIP phones and other IoT devices need to be connected.
Distributed Power Supply
It also guarantees balanced power distribution with the consolidated power-over-Ethernet budget. Many enterprise models offer PoE+ with output power options of up to 30 watts per port. Consequently, high-powered devices such as PTZ cameras and advanced wireless access points can easily connect.
Space and Cost Effective
They also greatly reduce installation costs Along with deploying a single 48-port PoE switch and saving valuable rack space, enterprise grade networking devices do not require additional hardware, power injectors or separate power cables.
Enhanced Monitoring Capabilities
These features enable administrators to manage the overflow of traffic better, prioritize data streams, and troubleshoot with greater access when using the 48 port gigabit PoE switch. Most advanced 48 port switches come equipped with layer 2 and layer 3 management features such as VLANs, QoS, link aggregation, and performance monitoring.
Wasted power doesn’t need to be an issue with 48 port PoE switches with higher power budgets.
Enterprise Class 48 port PoE switches with a total power budget between 600 and 1500 watts powers enterprise-grade devices as required to be energy efficient across all ports. Balanced performance at each port throughout the system remains within the limit.
Infrastructure of the network can be upgradable in accordance with the devices through the higher availability with adapting 48 port PoE switches with broader power access.
Redundant backup and supplementary power sources ensure smooth device power supply to avoid disruption when any source fails. Critical operations that require maximum uptime like smart buildings, financial institutions, hospitals, and other such services lack shift in the availability barrier with these 48 port PoEs.
Switches of the type makes use of required too-power to increase energy efficiency. Reducing wasted power consumption ensures only the required energy output. Dynamic failure manages unused power while making each device gain the necessary energy allocation, known as Energy Efficient Ethernet.
Maintenance and Installation Made Easy
The deployment is easier with 48-port PoE switches because there is no requirement for extra power sockets and cables. Moreover, modern ergonomic design management systems provide easy long-term maintenance through real-time tracking devices and performance metrics.
New Security Additions
Additional security features such as access control lists (ACLs), port security, and encryption protocols are commonly incorporated in high-tier 48-port PoE switches. These security measures protect the network from malicious proliferation while keeping devices connected securely and stably.
How Does a Gigabit PoE Switch Enhance Network Performance?
The Role of Gigabit Ethernet in High-Speed Data Transfer
The importance of Gigabit Ethernet is increasingly evident in the contemporary world, as it allows data transfer at the rate of one gigabit per second (1 Gbps or 1,000 Mbps), which is far greater than the capacity offered by Fast Ethernet (100 Mbps). The latest speed, compared with its predecessor, ensures that modern networks can support data transfer in bulk seamlessly. This is essential for supporting demand for high bandwidth services such as video conferences, cloud services, and file transfers.
Like any other standard Gigabit Ethernet connection, it uses full-duplex communication which allows data transfer to occur both ways at the same time on an 48-port gigabit switch. This not only enhances data transfer speeds but also helps to significantly mitigate congestion at the network level, which improves network performance. Broadcasting longer distances also benefits from the lower level signal distortion. This means a better quality signal going over longer distances.
Such advancements in technology for Gigabit Ethernet have raised discussions around lowering the power usage and improving scalability. One notable example is Energy-Efficient Ethernet (EEE), which has drawn concern for commercial use due to low power usage during idle periods in the network. In addition, in several enterprise networks with integrated PoE (Power over Ethernet) technology, Gigabit Ethernet makes it possible to use the same Ethernet cable to supply power to devices such as VoIP phones, wireless access points, and surveillance cameras, promoting efficiency and reduced expenditure on energy without compromising operational efficacy.
Gigabit Ethernet is still a core technology for building resilient, expandable, and high-performance networks that can sustain the advancement of communication and data processes due to the ever-growing need for greater speed in information transmission. Research indicates that, due to the use of 48-port gigabit switches, the acceptance of gigabit ethernet, in particular, has augmented the network’s capabilities and performance ten-fold, facilitating better business processes worldwide.
Integrating Access Points with PoE Switches
Power over Ethernet (PoE) switches are now part of contemporary networks because they offer data connectivity and power to accessed points (APs) through a single Ethernet cable. This convergence saves time during installation, reduces cabling costs, and improves network functionality, especially when used with a 48 port gigabit switch. Use of Power over Ethernet means that there do not need to be separate power sockets close to every single unit. This is very useful when installing wireless access points in difficult positions, such as ceilings or outdoors.
When it comes to access points, PoE switches should be considered in the first place. The switch must provide sufficient power to cover the needs of the equipment that is plugged into it. Take, for example, the case of wireless access points; they are more commonly used now. For example, they use more modern features like Wi-Fi 6, and with those additional features like more engines and better throughput, they require more power allocation. Other standards like IEEE 802.3af, 802.3at (PoE+), and 802.3bt (PoE++) have different levels of power requirements ranging from 15.4W to 90W of power to fit different peripheral needs. For instance, a high-end WiFi 6E access points may draw as high as 30W, which is the PoE standard.
In addition, per switch power budgets should be configured meticulously to avoid exceeding the set limit. To maximize efficiency, managed PoE switches should be employed. These devices are equipped with advanced monitoring and management capabilities at the port level, enabling effective resource allocation by IT teams and reducing the risk of potential downtime. Studies show that networks with PoE switches experience up to 30% faster deployment as opposed to networks that do not use PoE, which goes on to prove their effectiveness.
The use of PoE switches together with access points enables the simple and cost-effective installation of sophisticated wireless networks capable of supporting multifunctional, high-demand applications.
Benefits of Smart Managed and Unmanaged Switches
The requirements and financial plans for an organization is its wired network’s infrastructure determines the level of technology atleast smart unmanaged and unmanaged switches is equipped with. Smart managed switches combine the sophistication of fully managed systems with the simplicity of advanced control customization; more granular control is available over network traffic management without the complexity of fully managed systems. A middle-range company or an organization would ideally be suited for a smart managed switch as they are capable of monitoring fundamental metrics and need more control but do not have the extensive IT skills to manage complex systems.
In comparison, unmanaged switches lack the features afforded by a 48 port gigabit switch series or other advanced configurations, but provide convenience for basic network configurations. These types of switches are beneficial to home computers or small office networks due to their low costs and effortless setup. They provide significant savings in setup time compared to other types of switches but do not allow for customization or configuration.
Smart managed switches are freely customizable for dependable data delivery in critical healthcare and educational services, and therefore dominate those markets. At the same time, unmanaged switches have seen consistent growth in demand from small businesses and have made up nearly 40% of basic networking device installations over the past few years. Using a combination of these two types of switches enables companies to build a scalable network that can be cost-efficiently adjusted to suit simple or moderate deployment complexities.
What are the SFP Ports Used for in a 48-Port Gigabit Switch?
Understanding the Functionality of SFP and Gigabit SFP Ports
The 48-port Gigabit switch SFP (Small Form-Factor Plugable) ports enable versatility and expansion for networking connections. These ports are compatible with SFP transceivers, which allow connection to different network types, including fiber optic and copper. SFP ports are commonly applied for long-range communication links or for the high-speed links between switches, servers, and other important network equipment. Specific Gigabit SFP ports offer data transmission rates up to 1 Gbps, thus ensuring dependable and consistent network performance. Incorporating SFP ports into a network infrastructure allows the network to be more flexible to accommodate changes or extensions without restructuring the entire system.
Connecting to Fiber Networks with SFP Ports
The SFP (Small Form-Factor Pluggable) ports are incredibly flexible and scalable compared to traditional Fiber network interfaces due to the variety of SFP modules available. These modules are compatible with multi-mode and single-mode fibers, thus increasing adaptability across various settings. For example, single-mode fiber is ideal for long-distance data transmission exceeding 100 kilometers with the appropriate SFP module, while multi-mode fiber typically performs better in short-distance range communications (up to 500 meters) and is common in enterprise networks and data centers that utilize 48 port gigabit PoE switches.
The ability to hot-swap SFP ports without shutting down the system is among the most notable advantages. This greatly reduces downtime, improving the overall operational efficiency of the system. Furthermore, the use of BiDi modules that transmit and receive data over a single fiber strand greatly enhances the capabilities of SFP ports by reducing infrastructure and cable requirements.
Compliance with IEEE 802.3 standards and Multi-Source Agreements (MSA) allows the use of SFP transceivers which guarantees that devices from different vendors will work together in a single network. This allowance of interconnection through industry-wide standards, unlike SFP ports, makes them versatile for any networking purpose. Moreover, interoperability is further replicated because many modern Digital Monitoring SFP modules provide enhanced diagnostics (DDM). These modules offer real-time monitoring of crucial parameters, including temperature, power consumption, and signal strength, thereby bolstering the diagnosis and monitoring of the network.
In today’s high speed SFP ports demand, advanced lowers of 10 Gbps – 12 Gbps are now possible with SFP+ and QSFP+ modules. With these advancements, SFP ports became crucial for enterprises and other firms that are heavily investing in telecommunication and cloud data-center infrastructure services.
How to Manage PoE Power and Budget in a Switch?
Calculating the Total PoE Budget for Your Network
To find the total PoE budget for my network, I start with the output capacity of the switch because it usually has a given wattage. After that, I check the power requirements for each of the connected devices that are powered by PoE, like IP cameras, access points, or VoIP phones. I always make sure that I do not miss out on any detail when I calculate the total power consumption of all devices, which, in this case, is the summation of power needs. I also add a consideration buffer to my calculations along with sustained performance, provided that the total value does not exceed the switch’s PoE budget. Power usage monitoring tools, along with their proper maintenance, guarantee an efficient and dependable network.
Ensuring Efficient PoE Power Distribution Per Port
To allow for efficient Power over Ethernet (PoE) power distribution per port, certain aspects must be looked into, including port capacity, power allocation schemes, and command priorities. Newer model PoE switches are capable of offering power according to standards such as IEEE 802.3af (PoE), 802.3at (PoE+), and 802.3bt (PoE++), which stipulates a maximum power output per port of 15.4W, 30W, and up to 90W respectively. It is also important to consider the power limits of the devices to be connected since exceeding the limit on any given port can cause inefficiencies or failure.
Power management has now been incorporated into modern switches enabling dynamic assignment of power based on need. For instance, a PoE scheduling option can enable or disable power to devices during set periods, conserving energy. Furthermore, power prioritization helps ensure access points or surveillance cameras which are critical instruments are powered first in case the switch nears the set power limits.
Rough estimates suggest that standard IP cameras draw about 4-12 watts of power, while PTZ (Pan-Tilt-Zoom) cameras may require as much as 50 watts. Likewise, modern Wi-Fi 6 wireless access points also usually range from 20 to 30 watts. Therefore, an 8-port PoE+ switch with a 120W total power budget can adequately support medium power devices but has to be very carefully managed if high power devices are added.
Equipping supervisors with energy monitoring tools that track metrics such as per-port energy consumption enable remote control of specific data ports and allow for more efficient load balancing. Moreover, maintaining proper cabling standards, which include using Cat5e or Cat6 cables, is critical for reducing power dissipation over distance. Following these techniques fosters better performance and greater reliability for PoE powered networks.
Understanding the Importance of 802.3at Standard
The 802.3at standard, commonly known as PoE+ (Power over Ethernet Plus), is critical for modern network infrastructures as it increases the power output to 25.5W per port while maintaining compatibility with earlier PoE standards such as 802.3af. This added power capacity supports a broader range of devices, including advanced VoIP phones, security cameras, and wireless access points that require higher energy to operate. By ensuring efficient power delivery over Ethernet, the 802.3at standard contributes to the development of scalable and versatile networks, enhancing both performance and device versatility without excessive reliance on additional power sources.
What are the Considerations for Choosing a 48-Port Gigabit Ethernet Switch?
Comparing Managed PoE vs. Unmanaged Switches
Every business needs to contemplate the functional and scalability differences between Managed Power over Ethernet (PoE) Switches and Unmanaged Switches. Managed PoE switches allow for greater configuration control and performance monitoring, making them appropriate for scenarios that need strict network governance. These switches often possess advanced traffic control mechanisms like VLAN (Virtual Prefix Network) or QoS (Level of Service) and also offer better network security segmentation features.
On the contrary, Unmanaged switches are built to offer ease of operation with minimum configuration hassles. These are generally basic switching devices that function in a plug-and-play manner, standing in contrast to more sophisticated units like 48 port gigabit switches. While they serve a purpose within small networks with more basic requirements, unmanaged switches tend to offer less versatility and advanced functions, lacking in Managed PoE switches, making them less effective in more complex network environments.
From a deployment and operational perspective, managed PoE switches are more appropriate for larger enterprises, data centers, and other institutions where network configurations and real-time network monitoring are system requirements. These switches allow Layer 2 and 3 routing, which allows seamless communication between devices in the network. Furthermore, the availability of dynamic monitoring and allocation of PoE power increases their efficiency for high-powered devices like IP cameras, VoIP phones, and wireless LAN access points. For example, modern Managed PoE switches more often than not support the IEEE 802.3bt standard, which allows for devices to be powered up to 90 watts per port.
Unmanaged switches are the opposite of managed switches. They fit best in small networks or home offices, where no extra features are required. They are often used when the network design is fixed, and simple setting changes are more than enough. Despite the lack of advanced controls and diagnostics, the simplicity and the lower cost, coupled with ease of use, renders unmanaged switches a suitable option for basic network connections.
While making decisions regarding the correct switch type, network administrators should consider the size of the network, the number of devices that need to be powered, possible future growth, and budget limitations. Using Managed PoE switches or a 48 port gigabit PoE switch greatly benefits high-capacity environments or precisely optimized control required networks. However, for smaller installations with limited requirements, Unmanaged switches are better suited as they are more practical and less expensive.
Key Security Features to Look for in a Network Switch
- Access Control Lists (ACLs) – These control network traffic and access to devices by configuring rules to enhance security, making it more difficult for unauthorized users to access the network.
- Port Security – Prevents unauthorized access to the network by controlling the number of devices that can connect to a single port and disabling access for unrecognized devices.
- 802.1X Authentication – Limits network access to authenticated individuals or devices through a central authentication server.
- Secure Management Interfaces – Elements like SNMPv3, SSH, and HTTPS enable the management console of a switch to be secured from unauthorized access and configuration changes.
- Storm Control – Monitors broadcast, unicast or multicast traffic for flooding purposes and attempts to limit flooding which may cause performance deterioration of the network.
- Network Traffic Segmentation – Supports Virtual Local Area Networks (VLANs) to separate sensitive information from general information traffic in order to enhance security.
- Firmware Updates and Patching – Posting new updates addresses vulnerabilities, ensuring switches are secure from emerging threats.
These features are aimed at protecting network switches against frequent security vulnerabilities while performance and reliability remain optimal.
Evaluating the Cost-Effectiveness of a 48-Port Gigabit Ethernet Switch
A crucial accent for business and network infrastructure is a 48 port Gigabite Ethernet switch. Their operational and capital analysis cost requires evaluating both pay up front and operational costs. The price of such switches is constrained by factors like brand, features, advanced Layer 3 capabilities and PoE, as well as cloud management features. Entry-level models range from $300 to $600, while marks with enhanced capabilities like enterprise grade tend to exceed $1500.
Power costs should also be accounted for. In verticals where operation is required 24/7, a power-efficient switch will save hundreds in electricity. For example, the EEE standard allows some switches to dynamically reduce power consumption during lulls in activity.
Cost-effectiveness also needs to factor in scalability alongside the switch’s lifecycle. Long warranties, firmware update promises, and modular designs are positive indicators that signal value for money in the long run. Businesses also need to optimize for downtime and maintenance scheduling to ensure a durable with low servicing requirements further increases productivity.
Lastly, the port configuration on a 48-port switch increases spatial efficiency by minimizing the number of required devices, thereby simplifying cabling and a variety of maintenance tasks. This can be crucial for expanding companies as these configurations enable easier and more affordable scaling than investing in additional smaller switches. By considering these factors, businesses can decide if the spending fits within their financial constraints and operational goals.
Frequently Asked Questions (FAQs)
Q: What are the primary benefits of using a 48-port Gigabit Ethernet PoE switch?
A: A 48-port Gigabit Ethernet PoE switch has high density connectivity which enables the connection of various PoE devices inclusive of IP cameras, VoIP phones, and wireless access points. It also provides a PoE power budget which enhances operational efficiency through power distribution and reduces the use of power supplies and cabling.
Q: What is the difference between a 48-port Gigabit PoE switch and a 52-port gigabit switch?
A: A 48-port Gigabit PoE switch usually has 48 ports that are PoE enabled, but a 52-port gigabit switch has extra non-PoE ports, which are typically for uplink connections. The decision to use any of the switches depends on the number of PoE devices you want to connect and your network needs.
Q: Does the Aruba 48-port Gigabit PoE switch enable the use of high PoE power supplies?
A: Yes, the Aruba switches are known to enable the use of high PoE capabilities. Some models do offer up to 30W per port, which is very suitable for devices requiring higher power like advanced IP cameras or wireless access points.
Q: How does having uplink ports on a 48 port Gigabit Ethernet PoE switch increase its efficiency?
A: Uplink ports such as 2 SFP or 10G SFP uplink ports offer further connectivity to the core network, enhancing the overall network performance, efficiency, and effectiveness. These ports provide superior management for bandwidth and add-on scalability.
Q: In what way does static routing help a 48 port gigabit PoE switch?
A: By having static routing in a 48-port gigabit PoE switch, there is the possibility of providing a control over the predefined paths of traffic which will increase the overall control on the network. It improves the way to control the paths of data, especially in lesser complicated configurations, although a 48 port gigabit switch can handle much greater demands.
Q: What are the key features of a Netgear 48-port Gigabit PoE switch?
A: Generally, a Netgear 48-port Gigabit PoE switch possesses full gigabit ports, PoE functionality, support for energy saving ethernet, and higher management value. It fits the needs of both small and mid enterprises which need dependable and expandable networking solutions.
Q: What is the significance of supporting up to 30W per port in PoE models?
A: Supporting up to 30W per port allows PoE models to power more demanding devices like PTZ cameras and sophisticated wireless access points. This obviates the requirement for additional power sources, which simplifies installation and lowers expenditure on structural resources.
Q: How does a gigabit smart managed PoE switch differ from an unmanaged Ethernet switch?
A: Unlike an unmanaged Ethernet switch, which only gives simple connectivity options with no configuration possibilities and is inferior to the 48 port gigabit switch series, a gigabit smart managed PoE switch enables more control and better network traffic optimization with advanced features like VLANs, QoS, and spanning tree protocol
Q: What are the benefits of using a Cisco 48-port Gigabit PoE switch in a network?
A: Cisco 48-port Gigabit PoE switches offer highest performance and reliability. It supports CLI configuration, spanning tree, and more advanced security options which makes it suitable for an enterprise that has a greater need for network management and security.
Reference Sources
1. A 48-Port FCC-Compliant 10GBASE-T Transmitter With Mixed-Mode Adaptive Echo Canceller
- Authors: R. Farjad-Rad and others
- Publication Date: 2012-10-09
- Journal: IEEE Solid-State Circuits Society
- Cited: Farjad-Rad et al 2012 pp 3261-3272
- Summary: The given work focuses on a 10GBASE-T transmitter implemented for network switches with high-density 48-port architecture. Its echo cancellation is accomplished using a current-mirroring amplifier with output rise time control and high CMRR. This research sustains the claim that there is a growing need for small-signal, low-power, low-ber transceivers that meet FCC requirements. From the experiments, the results are shown for the transmitter’s bandwidth performance of over 400MHz and achieved good values of linearity and low distortion.
2. Transmitter and Hybrid with 76 dBc SFDR up to 400MHz scalable to 48 ports, 10GBase-T FCC compliant with adjuncts of 48 ports – a 48-port crossover example.
- Authors: F. Gerfers et al.
- Publication Date: 2012-04-03
- Journal: IEEE International Solid-State Circuits Conference
- Citation Token: (Gerfers et al., 2012, pp. 412–413)
- Summary: This paper describes the implementation of an FCC-compliant scalable architecture for a 10GBase-T transmitter and hybrid designed for 48 port network switches. The paper emphasizes the application of a current-mirroring amplifier highly correlated for echo cancellation and describes the design difficulties and approaches towards achieving high performance, including distortion and non-linearity. Results demonstrate that the proposed design can indeed be realized in practice for high-density applications without violation of excessive performance constraints.