General Specifications ? Brand: HP ? Manufacturer Part Number (MPN): J9148A#ABA ? Product Type: Networking Switch ? Port Configuration: 48 Ports ### Core Features ? Processor: Dual ARM1156T2s at 515 MHz ? Device Type: Managed Switch with 48 Ports, Stackable Design ? Enclosure: Desktop or 1U Rackmount ? Power over Ethernet (PoE): Yes ? Maximum Stackable Units: 16 ? RAM: 512 MB ? Memory: 4 MB Flash, 1 GB Flash ROM, 512 MB SDRAM ? Packet Buffer Size: 6 MB ### Expansion and Connectivity #### Port Details ? Auto-Sensing Ports: 44 Ports supporting 10/100/1000 Mbps ? Standards Supported: IEEE 802.3 Type 10BASE-T IEEE 802.3u Type 100BASE-TX IEEE 802.3ab Type 1000BASE-T ? IEEE 802.3 Type 10BASE-T ? IEEE 802.3u Type 100BASE-TX ? IEEE 802.3ab Type 1000BASE-T ? Media Type: Auto-MDIX ? Duplex Modes: 10BASE-T/100BASE-TX: Half or Full 1000BASE-T: Full Only ? 10BASE-T/100BASE-TX: Half or Full ? 1000BASE-T: Full Only #### Additional Ports ? Dual-Personality Ports: 4 Ports, each configurable as either an RJ-45 10/100/1000 Port or a Mini-GBIC Slot (compatible with Mini-GBIC Transceivers) ? Serial Console Port: 1 RJ-45 Port ? 10 GBE Ports Support: Up to 4 Ports (with optional module) ### Power Specifications ? Power Supply: Internal ? Voltage Requirement: AC 120/230 V (50/60 Hz) ? Operational Power Consumption: 556 Watts ## Part Number: J9148A#ABA ### Introduction The HP E2910-48G-PoE+ AL Managed Shared SFP Rack Mountable Switch is a high-performance networking solution designed to meet the demands of modern businesses. With its advanced features and robust construction, this switch is ideal for organizations looking to enhance their network infrastructure. One of the key features of this switch is its unique part number, J9148A#ABA, which sets it apart from other models in the market. ### What is a Part Number? A part number is a unique identifier assigned to a specific product by the manufacturer. It serves as a reference for ordering, tracking, and identifying a particular item. In the case of the HP E2910-48G-PoE+ AL Managed Shared SFP Rack Mountable Switch, its part number is J9148A#ABA. This alphanumeric code not only distinguishes it from other switches but also provides valuable information about its specifications and compatibility. #### Specifications and Compatibility The part number J9148A#ABA indicates that this switch belongs to the HP E2910 series. It signifies that it is a 48-port Gigabit Ethernet switch with Power over Ethernet Plus (PoE+) capability. The AL in the part number stands for Advanced Layer 3, which implies that this switch offers advanced routing and layer 3 switching functionalities. Furthermore, the shared SFP (Small Form-Factor Pluggable) feature allows for easy connectivity with fiber optic networks. The part number J9148A#ABA is specifically designed for use in rack-mounted environments. It ensures compatibility with standard 19-inch racks, enabling seamless integration into existing network infrastructures. This switch also supports redundant power supply options, providing added reliability and redundancy for mission-critical applications. ### Benefits of Part Number J9148A#ABA #### Enhanced Network Performance The HP E2910-48G-PoE+ AL Managed Shared SFP Rack Mountable Switch with part number J9148A#ABA offers exceptional network performance. With its 48 Gigabit Ethernet ports, it provides high-speed connectivity for data-intensive applications and large-scale network environments. The Power over Ethernet Plus (PoE+) capability allows the switch to deliver both data and power to compatible devices, such as IP phones, wireless access points, and security cameras, eliminating the need for separate power cables and adapters. The Advanced Layer 3 capabilities of this switch enable efficient routing and switching, optimizing network traffic flow and reducing latency. This ensures smooth data transmission and minimizes packet loss, resulting in improved overall network performance. #### Flexibility and Scalability The part number J9148A#ABA signifies that this switch is equipped with shared SFP ports. These ports support the use of Small Form-Factor Pluggable transceivers, allowing for flexible connectivity options. Organizations can easily integrate fiber optic connections into their network infrastructure by utilizing the shared SFP ports. This flexibility is especially beneficial when extending the network over long distances or in situations where copper cabling is not feasible. Furthermore, the HP E2910-48G-PoE+ AL Managed Shared SFP Rack Mountable Switch is designed to support future growth and scalability. With its 48 ports, the switch can accommodate a large number of devices, ensuring that businesses can expand their networks without the need for additional hardware investments. ### Importance of Part Number J9148A#ABA #### Efficient Network Management The part number J9148A#ABA plays a crucial role in efficient network management. As it represents a specific model with defined specifications, IT administrators can easily identify and order the exact switch they require. The unique part number ensures accurate inventory management and simplifies the procurement process. Additionally, it allows for straightforward tracking of warranties, support contracts, and firmware updates specific to this model, ensuring that the switch operates at its optimal performance level. #### Interoperability and Compatibility The part number J9148A#ABA signifies that this switch is part of the HP E2910 series. This indicates that it is designed to seamlessly integrate with other switches and network infrastructure components from the same series. Interoperability between devices is crucial for creating a cohesive and efficient network environment. With the assurance of compatibility provided by the part number, organizations can confidently expand their network infrastructure without worrying about compatibility issues. #### Technical Support and Documentation Another significant advantage of the part number J9148A#ABA is the availability of comprehensive technical support and documentation. As this switch has a unique part number, it allows users to access specific resources related to this model. HP provides detailed documentation, user manuals, firmware updates, and troubleshooting guides tailored specifically for the J9148A#ABA switch. This ensures that users can effectively manage, configure, and troubleshoot any issues that may arise during the switch's lifespan. ##### Conclusion The part number J9148A#ABA of the HP E2910-48G-PoE+ AL Managed Shared SFP Rack Mountable Switch is a key feature that provides significant benefits to users. It signifies the unique specifications, compatibility, and functionality of this model. With enhanced network performance, flexibility, scalability, efficient network management, interoperability, and comprehensive technical support, this switch is an excellent choice for organizations seeking a reliable and high-performance networking solution.

## Ports The HPE J9728A Managed Switch boasts an impressive 48 ports, making it an excellent choice for businesses and organizations requiring a high connectivity level. With this many ports, users can connect numerous devices to the switch, enabling efficient and seamless communication between multiple devices within a network. ## J9728A 48-Port Managed Stackable Switch ### High-Performance Switch with 48 Ports ? Device Type: Fully managed switch with stackable capabilities for seamless scalability ? Enclosure Type: Sleek desktop enclosure ideal for compact environments ? Ports: 48 x 10/100/1000 Ethernet ports for high-speed network connections ? Additional Ports: 4 shared Gigabit SFP for enhanced flexibility ### Exceptional Network Performance and Capacity ? Switching Capacity: 176 Gbps, enabling smooth data flow across networks ? Throughput: Handles up to 130.9 Mpps for fast and efficient data transfer #### Advanced Routing Capabilities ? Supports RIP and Static IP Routing for seamless network traffic management ? Comprehensive routing options for both small and large-scale networks ### Remote Management and Authentication ? Remote Management Protocols: SNMP 1, SNMP 2c, SNMP 3, RMON 1, Telnet, TFTP, CLI ? Advanced Authentication: RADIUS support for secure network access #### Comprehensive Security Features ? DDoS Attack Prevention to protect against malicious threats ? Supports both IPv6 and IPv4 to ensure future-proof networking ### Duplex Modes and Quality of Service (QoS) ? Half and Full Duplex Modes: Optimized for different traffic loads ? Class of Service (CoS): Prioritizes network traffic for critical applications #### Standards Compliance for Industry-wide Compatibility ? Complies with IEEE standards such as 802.3, 802.3u, 802.1d, 802.1q, and more ? Fully interoperable with a wide range of networking equipment ### Powerful Hardware Specifications ? Processor: 1 x ARM, clocked at 625 MHz for robust processing power ? Memory: 512 MB SDRAM ensuring smooth operation under heavy network traffic ? Flash Memory: 1 GB for ample storage of configuration files #### Comprehensive Connectivity Options ? Interfaces: 48 x 10BASE-T/100BASE-TX/1000BASE-T RJ-45 ports for Ethernet connections ? 4 x SFP (mini-GBIC) ports for fiber-optic connectivity options ? Management Ports: 1 x RS-232 (RJ-45) and 1 x 5-pin micro-USB Type B ##### Perfect for Small to Medium Businesses This switch is ideal for businesses looking for reliable, high-performance networking infrastructure, offering exceptional scalability and flexibility. ### Increased Connectivity Having 48 ports on the HPE J9728A Managed Switch means that users can connect to a wide range of devices simultaneously. This allows for increased productivity and efficiency in the workplace, as employees can easily connect their computers, printers, servers, and other network devices without worrying about running out of available ports. The ample number of ports ensures no need for additional switches or hubs, reducing costs and simplifying network infrastructure. #### Scalability The 48 ports on the HPE J9728A Managed Switch also provide scalability for growing businesses. As your organization expands and more devices need to be connected to the network, this switch can accommodate the increased demand without any hassle. This scalability ensures that the switch can meet your current needs while also being able to handle future growth. ##### Flexibility in Network Design With 48 ports at your disposal, you have the flexibility to design your network in a way that best suits your organization's requirements. You can easily segment your network into different VLANs (Virtual Local Area Networks) or create separate networks for different departments or teams within your organization. This flexibility allows for better network management, improved security, and optimized performance. The abundance of ports offered by the HPE J9728A Managed Switch brings numerous benefits to users. It enables increased connectivity, scalability, and flexibility in network design. With these advantages, businesses can experience enhanced productivity, simplified network infrastructure, and improved network management. ## Speed One of the standout features of the HPE J9728A Managed Switch is its support for Gigabit Ethernet, delivering blazing-fast speeds to meet the demands of modern networks. This feature is of utmost importance for users who require high-speed data transfer, seamless streaming, and efficient communication within their network. ### Fast Data Transfer Gigabit Ethernet provides data transfer speeds of up to 1000 Mbps, which is ten times faster than standard Fast Ethernet. This means that users can transfer large files, such as multimedia content or data backups, at lightning-fast speeds. Faster data transfer enhances productivity by reducing waiting times and allowing users to quickly access and share information across the network. #### Smooth Streaming and VoIP In today's digital world, streaming media and Voice over IP (VoIP) have become integral to many businesses. With Gigabit Ethernet, the HPE J9728A Managed Switch ensures smooth streaming of high-definition videos, audio files, and web conferences. This feature guarantees uninterrupted communication and collaboration, enabling teams to work efficiently and effectively. ##### Support for Bandwidth-Intensive Applications Bandwidth-intensive applications, such as video editing software or data analysis tools, require a network infrastructure that can handle large amounts of data without bottlenecks. The Gigabit Ethernet support of the HPE J9728A Managed Switch ensures that these applications run smoothly without any performance degradation. Users can rely on the switch to provide a stable and high-speed connection, optimizing their experience with these demanding applications. The Gigabit Ethernet feature offered by the HPE J9728A Managed Switch brings significant benefits to users. It enables fast data transfer, smooth streaming and VoIP, as well as support for bandwidth-intensive applications. With these advantages, businesses can enhance their productivity, improve communication and collaboration, and seamlessly handle data-intensive tasks. ## Throughput The HPE J9728A Managed Switch boasts an impressive throughput of 176Gbps, making it a powerful and reliable choice for organizations that require high-performance networking. The throughput feature plays a crucial role in ensuring efficient data transmission, reducing latency, and providing a responsive network infrastructure. ### Efficient Data Transmission With a throughput of 176Gbps, the HPE J9728A Managed Switch can handle large amounts of data traffic without any performance degradation. This high throughput allows for efficient transmission of data across the network, ensuring minimal delays and smooth operation of network-dependent applications. It guarantees that users can transfer data quickly and reliably, improving overall productivity. #### Reduced Latency Latency refers to the time it takes for data to travel from its source to its destination within a network. High throughput provided by the HPE J9728A Managed Switch helps reduce latency, resulting in faster response times and improved user experience. This is particularly important for real-time applications such as online gaming, video conferencing, or financial transactions, where even slight delays can negatively impact performance. ##### Responsive Network Infrastructure The 176Gbps throughput of the HPE J9728A Managed Switch ensures that the network infrastructure remains responsive even during periods of high traffic or heavy usage. It prevents bottlenecks and congestion, allowing users to access network resources quickly and reliably. This responsive network infrastructure enhances productivity by minimizing downtime and ensuring a seamless user experience. The high throughput feature offered by the HPE J9728A Managed Switch brings significant benefits to users. It enables efficient data transmission, reduces latency, and provides a responsive network infrastructure. With these advantages, organizations can enhance their productivity, improve performance in real-time applications, and enjoy a seamless user experience.

## Ports The HPE J9836A Managed Switch is equipped with a remarkable 48 ports. This extensive number of ports provides users with the flexibility and scalability needed to connect multiple devices and expand their network without any constraints. ## Product Specifications The J9836A Switch is a versatile, rack-mounted network switch designed for high performance and reliability. With its advanced Layer 3 capabilities and stackable form factor, this switch is ideal for enterprise networks requiring robust connectivity and management features. #### Device Characteristics ? Type: Managed Layer 3 Switch - 48 Ports ? Enclosure: Rack-Mountable - 1U ? Ports: 44 x 10/100/1000 (PoE+) + 4 x Combo Gigabit SFP ? Power Over Ethernet (PoE): PoE+ ? PoE Budget: 740W #### Switching and Throughput ? Throughput: 130.9 Mpps ? Switching Capacity: 176 Gbps #### Routing and Capacity ? IPv4 Routing Table Entries: 2048 ? IPv6 Routing Table Entries: 256 ? MAC Address Table Size: 16,000 Entries ? Jumbo Frame Support: 9220 bytes #### Supported Protocols ? Routing Protocols: RIP, RIP-2, Static IP Routing, MLD ? Remote Management Protocols: SNMP v1, v2c, v3; RMON 1, 2, 3, 9; Telnet; HTTP; HTTPS; TFTP; SMON; SSH, SSH-2; CLI #### Security and Authentication ? Encryption: SSL, TLS ? Authentication Methods: RADIUS, PAP, CHAP, TACACS, TACACS+; SSH v2; EAP #### Advanced Features ? Flow Control ? DHCP and BOOTP Support ? ARP Support ? Trunking and VLAN Support ? IPv6 Support ? Half Duplex and Full Duplex Modes ? SNTP Support ? sFlow and MSTP Support ? Access Control Lists (ACLs) ? Quality of Service (QoS) ? Energy Efficient Ethernet ? Link Aggregation Control Protocol (LACP) #### Compliance and Standards ? IEEE 802.3, IEEE 802.3u, IEEE 802.1d, IEEE 802.1q ? IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x ? IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1s, IEEE 802.1v ? IEEE 802.3at, IEEE 802.3az, IEEE 802.1ax #### Processor and Memory ? Processor: 1 x ARM ARM1176, 625 MHz ? RAM: 512 MB SDRAM ? Flash Memory: 1 GB #### Expansion and Ports ? Interfaces: 48 x 1000Base-T RJ-45 (PoE+), 4 x SFP, 1 x Management RJ-45, 1 x Management Micro-USB Type B, 1 x USB ? Expansion Slots: 2 (total) / 2 (free); 1 (total) / 1 (free) Stacking Module Slot #### Power Supply ? Power Device: Internal Hot-Plug Power Supply ? Power Provided: 1050 Watts ? Voltage Required: AC 120/230 V (50/60 Hz) ? Operational Power Consumption: 487 Watts ### Increased Connectivity With 48 ports, users can effortlessly connect a wide range of devices such as computers, printers, servers, and network storage devices. This ensures that all devices in the network can communicate seamlessly, enhancing productivity and collaboration within the organization. #### Efficient Data Transfer The abundance of ports allows for efficient data transfer between connected devices. Users can enjoy high-speed data exchange, enabling quick file transfers, smoother video streaming, and lag-free online gaming experiences. The 48 ports ensure that there is no bottleneck in the network traffic, resulting in faster and more reliable communication. ##### Scalability The 48 ports also offer scalability for future network expansion. As businesses grow and add more devices to their network, having additional available ports eliminates the need for additional equipment or complex configurations. This scalability provides a cost-effective solution that can accommodate future growth without any hassle. ## Capacity The HPE J9836A Managed Switch boasts an impressive capacity of 48Gbps. This high capacity ensures that the switch can handle large amounts of data traffic without any performance degradation. ### Seamless Performance The 48Gbps capacity ensures that the switch can handle heavy data loads effortlessly. It guarantees smooth and uninterrupted data transmission even during peak usage periods. This is particularly important in environments where multiple users are accessing the network simultaneously or when dealing with bandwidth-intensive tasks such as video conferencing or multimedia streaming. #### Reduced Latency With its high capacity, the HPE J9836A Managed Switch minimizes latency, ensuring that data packets reach their intended destinations without delay. This reduced latency is critical for applications that require real-time data processing, such as online gaming or VoIP calls. By eliminating delays, users can enjoy a seamless and responsive network experience. ##### Future-Proofing The 48Gbps capacity future-proofs the network infrastructure by accommodating future technologies and increasing bandwidth demands. As technology advances and data requirements grow, having a high-capacity switch ensures that the network can handle the increased traffic without requiring costly upgrades or replacements. ## Power The HPE J9836A Managed Switch comes equipped with a powerful 740 W power supply. This robust power capacity ensures that the switch can provide reliable power to all connected devices, even in demanding network environments. ### Stability and Reliability The 740 W power supply guarantees stable and reliable power distribution to all devices connected to the switch. This is crucial for preventing unexpected shutdowns or disruptions that can result in data loss, downtime, and productivity setbacks. Users can have peace of mind knowing that their network is powered by a reliable switch that can support their critical operations. #### Power Over Ethernet (PoE) Support The HPE J9836A Managed Switch also supports Power over Ethernet (PoE), allowing it to provide both data connectivity and power to compatible devices simultaneously. This eliminates the need for separate power sources and simplifies the installation process. PoE support is especially beneficial for devices such as IP phones, wireless access points, and security cameras, as it reduces cable clutter and provides a centralized power solution. ##### Energy Efficiency Despite its powerful capabilities, the HPE J9836A Managed Switch is designed to be energy-efficient. It employs advanced power management features, such as intelligent power allocation and energy-saving modes, to optimize power consumption without compromising performance. This not only reduces energy costs but also minimizes the organization's environmental footprint. ## Interface The HPE J9836A Managed Switch features an RJ-45 interface, which is the standard connector for Ethernet cables. This interface offers numerous benefits and compatibility advantages for users. ### Universal Compatibility The RJ-45 interface ensures compatibility with a wide range of devices, making it suitable for various network setups. Users can connect their computers, printers, servers, and other networking equipment to the switch using standard Ethernet cables without any compatibility issues. This versatility allows for seamless integration into existing network infrastructures, simplifying setup and reducing the need for additional adapters or specialized cables. #### Reliable Connectivity The RJ-45 interface provides reliable and stable connectivity. It ensures a secure connection between the switch and connected devices, minimizing the risk of data loss or interruptions. The sturdy design of the RJ-45 connector prevents accidental disconnections, offering peace of mind to users who rely on uninterrupted network access. ##### Ease of Use The RJ-45 interface is user-friendly and straightforward to connect. Its familiarity and widespread use make it easy for users to set up and maintain their network connections. Whether it's at home or in a professional setting, users can quickly establish a reliable network using the HPE J9836A Managed Switch's RJ-45 interface. ## POE The HPE J9836A Managed Switch features Power over Ethernet (PoE) capability. With a PoE feature rating of 1, this switch allows users to power compatible devices directly through the Ethernet cable, eliminating the need for additional power sources or adapters. ### Simplified Installation The PoE capability of the HPE J9836A Managed Switch simplifies the installation process by providing power and data connectivity through a single cable. Users can connect PoE-enabled devices such as IP phones, wireless access points, and IP cameras directly to the switch without the need for separate power supplies. This streamlines the setup and reduces cable clutter, making it an ideal choice for environments where aesthetics and cable management are important. #### Flexibility and Scalability The PoE feature of the HPE J9836A Managed Switch offers flexibility and scalability by allowing users to add or relocate devices without the constraints of power outlet availability. It enables users to expand their network easily and accommodate new devices in locations where power outlets may not be readily accessible. This flexibility eliminates the need for additional wiring or costly electrical work, saving time and resources. ##### Remote Power Management The HPE J9836A Managed Switch's PoE feature also enables remote power management. Users can monitor and control the power status of connected PoE devices remotely, ensuring efficient energy usage and enabling troubleshooting without physically accessing each device. This remote management capability increases operational efficiency and reduces maintenance costs. ## Mounting The HPE J9836A Managed Switch is rack-mountable, providing users with a convenient and secure way to install the switch in a standard equipment rack. ### Space Efficiency Rack-mountable switches offer significant space-saving advantages by allowing multiple devices to be securely stacked in a compact vertical arrangement. This frees up valuable floor or desk space, making it an ideal choice for environments with limited space availability. #### Organization and Accessibility Mounting the HPE J9836A Managed Switch in a rack ensures proper organization and accessibility of network equipment. Users can neatly arrange their switches, routers, and other devices in a centralized location, simplifying cable management and reducing clutter. This organized setup not only enhances the aesthetics of the network environment but also facilitates troubleshooting and maintenance tasks. ##### Physical Security Rack mounting provides an added layer of physical security for the HPE J9836A Managed Switch. By housing the switch in an equipment rack, it becomes less susceptible to accidental damage, tampering, or theft. Additionally, rack-mounted switches can be secured with locking mechanisms to prevent unauthorized access, ensuring the network's integrity and protecting sensitive data. ## Technology The HPE J9836A Managed Switch utilizes Ethernet technology, which is the most widely used and reliable networking technology available today. ### Standardized Connectivity Ethernet technology has become the de facto standard for networking due to its widespread adoption and compatibility. It ensures that devices from different manufacturers can seamlessly communicate with each other, regardless of their operating systems or network protocols. This standardized connectivity simplifies network setup and integration, allowing users to mix and match devices from various vendors without compatibility concerns. #### Reliability and Performance Ethernet technology offers exceptional reliability and performance. It delivers high-speed data transmission, low latency, and minimal packet loss, ensuring smooth and uninterrupted communication between devices. Whether it's transferring large files, streaming high-definition media, or accessing cloud-based applications, Ethernet technology provides the performance required for today's demanding network environments. ##### Scalability Ethernet technology is highly scalable, making it suitable for networks of all sizes. From small home networks to large enterprise infrastructures, Ethernet can handle the increasing bandwidth demands of modern applications and technologies. Its scalability allows users to expand their networks without sacrificing performance or requiring substantial upgrades, providing a future-proof solution that can accommodate growth and evolving business needs. In conclusion, the HPE J9836A Managed Switch offers an impressive array of features that enhance connectivity, performance, power management, ease of use, and physical security. With its 48 ports, 48Gbps capacity, 740W power supply, RJ-45 interface, PoE support, rack-mountable design, and utilization of Ethernet technology, this switch is a reliable and versatile solution for both small-scale and enterprise-level networking requirements.