## Detailed Information for HPE JL381A ? Manufacturer: HPE ? Part Number: JL381A ? Product Type: Networking Switch ? Switch Type: 24-Port Switch ### Technical Specifications #### Enclosure and Form Factor ? Enclosure Type: Desktop, Rack-Mountable, Wall-Mountable 1U ? Subtype: Gigabit Ethernet ? Ports: 24 x 10/100/1000 Mbps (RJ-45) 2 x 100/1000 Mbps SFP ? 24 x 10/100/1000 Mbps (RJ-45) ? 2 x 100/1000 Mbps SFP #### Performance Metrics ? Latency: 7 ?s at 100 Mbps 2 ?s at 1 Gbps ? 7 ?s at 100 Mbps ? 2 ?s at 1 Gbps ? Throughput: Up to 38.6 Mpps ? Routing/Switching Capacity: 52 Gbps ? Routing Table Entries Capacity: 32 ? MAC Address Table Size: 8000 Entries ? Jumbo Frame Support: Up to 9216 Bytes ? Routing Protocols Supported: IGMP, Static IPv4 Routing ? Compliance Standards: IEEE 802.1D IEEE 802.1Q IEEE 802.3AB IEEE 802.1P IEEE 802.3X IEEE 802.3AD (LACP) IEEE 802.1W IEEE 802.1S ? IEEE 802.1D ? IEEE 802.1Q ? IEEE 802.3AB ? IEEE 802.1P ? IEEE 802.3X ? IEEE 802.3AD (LACP) ? IEEE 802.1W ? IEEE 802.1S #### Memory and Processor ? Processor: 1 x ARM Cortex-A9, 400 MHz ? RAM: 256 MB SDRAM ? Flash Memory: 64 MB #### Interfaces ? 24 x 1000Base-T: RJ-45 ? 2 x 1000Base-X: SFP #### Physical Dimensions ? Height: 1.73 inches ? Width: 17.42 inches ? Depth: 9.69 inches ? Weight: 6 lbs ## Ports The HPE 1920S Switch is equipped with 24 ports, making it a versatile and powerful networking solution for businesses of all sizes. With this many ports, users have the ability to connect multiple devices simultaneously, enabling seamless communication and data transfer within the network. ### Increased Connectivity Having 24 ports on the HPE 1920S Switch means that users can easily connect a wide range of devices to their network. This includes computers, servers, printers, IP phones, access points, and other networking equipment. The increased connectivity options allow for efficient collaboration and resource sharing among employees, leading to improved productivity and streamlined workflows. #### Flexibility and Scalability The 24 ports on the HPE 1920S Switch provide businesses with the flexibility to adapt and grow their network infrastructure as their needs evolve. Whether it’s adding new devices or expanding the network to accommodate more users, the ample number of ports ensures that there is room for future expansion without requiring additional switches. ##### Simplified Cable Management Having 24 ports on a single switch eliminates the need for excessive cable runs and reduces cable clutter. This not only improves aesthetics but also simplifies cable management, making it easier to troubleshoot and maintain the network infrastructure. It also helps minimize the risk of cable damage or disconnections, ensuring reliable connectivity at all times. ## PoE The HPE 1920S Switch features 1 Power over Ethernet (PoE) port, which provides significant benefits for businesses that require power delivery to connected devices through the Ethernet cables. ### Convenience and Cost Savings The PoE functionality eliminates the need for separate power cables and adapters for devices such as IP phones, wireless access points, and IP cameras. By delivering power over the Ethernet infrastructure, businesses can reduce the cost and complexity associated with traditional power sources. This not only streamlines installation but also helps declutter workspaces, making it easier to manage the network without dealing with multiple power outlets. #### Flexibility in Device Placement With the PoE feature, devices can be placed in locations where power outlets are not easily accessible or practical. This provides businesses with greater flexibility in deploying devices without being limited by the availability of power sources. It allows for strategic placement of devices to optimize network coverage, improve security surveillance, and enhance communication capabilities. ##### Centralized Power Management Having a PoE port on the HPE 1920S Switch enables centralized power management, allowing administrators to monitor and control the power usage of connected devices. This can be particularly useful in optimizing energy consumption, scheduling device operation, and remotely powering off or rebooting devices when needed. The ability to manage power centrally enhances network efficiency and contributes to cost savings. ## Mounting The HPE 1920S Switch offers rack mountable capability, providing users with a convenient and space-saving option for installing the switch in their network infrastructure. ### Optimal Space Utilization Rack mountable switches are designed to fit into standard server racks or cabinets, maximizing the use of available space in server rooms or network closets. By securely mounting the switch on a rack, businesses can effectively organize their networking equipment, reducing clutter and improving airflow for better cooling. This not only enhances the overall aesthetics but also optimizes the functionality and lifespan of the switch. #### Easier Maintenance and Troubleshooting With a rack-mounted HPE 1920S Switch, maintenance and troubleshooting become more efficient. The switch can be easily accessed, allowing administrators to perform necessary tasks such as firmware updates, cable management, or hardware replacements without the need to dismantle or disrupt the entire network setup. This saves time and effort, minimizing network downtime and ensuring smooth operations. ##### Scalability and Future Expansion Rack mountable switches offer scalability options for businesses planning to expand their network infrastructure. With a standardized form factor, additional switches can be seamlessly added to the rack, creating a modular and scalable network setup. This allows businesses to accommodate an increasing number of devices or users without the need for extensive rewiring or reconfiguration. ## Layer The HPE 1920S Switch operates at Layer 3 of the OSI (Open Systems Interconnection) model, providing advanced network functionality and features for efficient data routing and security. ### Enhanced Network Performance Operating at Layer 3 enables the HPE 1920S Switch to perform IP routing, allowing it to efficiently handle data traffic between different subnets or VLANs (Virtual Local Area Networks). This results in improved network performance, reduced latency, and enhanced overall user experience. The Layer 3 capabilities enable businesses to implement complex network architectures, such as interconnecting multiple offices or implementing advanced security measures. #### Improved Network Security The Layer 3 functionality of the HPE 1920S Switch provides enhanced security features such as Access Control Lists (ACLs), which allow administrators to control and filter traffic based on specific criteria. This ensures that only authorized traffic is allowed to pass through the network, protecting against unauthorized access or malicious activities. Additionally, Layer 3 switches offer advanced security protocols like IPsec VPN (Virtual Private Network) for secure remote connectivity. ##### Efficient Network Segmentation Layer 3 switches enable businesses to implement network segmentation, dividing the network into smaller subnets or VLANs. This allows for better traffic management, improved network performance, and enhanced security. By segmenting the network, businesses can isolate specific departments or devices, controlling access and preventing network congestion. It also simplifies network administration and troubleshooting by isolating potential issues within a specific segment. ## Part Number The HPE 1920S Switch is identified by the part number JL381A, which is crucial for users when it comes to ordering or identifying the specific model. ### Accurate Identification The part number JL381A serves as a unique identifier for the HPE 1920S Switch model. When users need to order or replace a switch, having the correct part number ensures that they receive the exact model they require. This eliminates any potential confusion or compatibility issues that may arise from ordering the wrong product. #### Compatibility with Accessories and Upgrades The part number allows users to easily identify compatible accessories or upgrades for their HPE 1920S Switch. Whether it’s additional modules, transceivers, or mounting kits, having the correct part number ensures that users select the right components that seamlessly integrate with their switch, maximizing its capabilities and functionality. ##### Technical Support and Documentation When seeking technical support or accessing documentation, knowing the part number JL381A is essential. It enables users to find relevant resources specific to their HPE 1920S Switch model, such as user manuals, firmware updates, or troubleshooting guides. Having access to accurate information and support ensures that users can effectively manage and maintain their switch for optimal performance and longevity.