Description
Product Overview for the HPE JL255A Rack-Mountable Switch
The HPE JL255A 2930f 24G is a Managed Switch, meaning it provides administrators with a high degree of control and customization over their network. It is equipped with 24 ports Rack-Mountable Switch that supports Power Over Ethernet Plus (PoE+), making it an ideal choice for environments where power and data connectivity need to be efficiently delivered to various devices.
24 X 10/100/1000Base Ports
The switch boasts 24 ports, each supporting speeds of 10/100/1000 Mbps. This versatility allows for seamless connectivity of devices with varying bandwidth requirements. From devices that demand high-speed data transfer to those that operate on lower bandwidths, this switch caters to a spectrum of networking needs.
Small Form-Factor Pluggable Plus (SFP+) Ports
In addition to the standard Ethernet ports, the switch features Small Form-Factor Pluggable Plus-SFP+ ports. These ports are designed to accommodate SFP+ transceivers, which enable high-speed data connections over fiber optic cables. This is particularly advantageous for long-distance connections and scenarios where electromagnetic interference is a concern.
Managed Switch Functionality
Being a managed switch, the JL255A 2930f offers advanced management capabilities. Administrators can exercise control over various aspects of the network, including traffic prioritization, VLAN (Virtual Local Area Network) configuration, and monitoring of connected devices. This level of management is essential for optimizing network performance and ensuring a secure and efficient operation. As a managed switch, the HPE JL255A provides administrators with granular control over the network. Through an intuitive management interface, users can configure settings, monitor network performance, and implement security measures. This level of control is crucial for optimizing network resources, ensuring efficient data flow, and safeguarding against potential security threats.
Power Over Ethernet Plus (PoE+)
The inclusion of PoE+ capability in the HPE JL255A is a notable feature, providing the ability to deliver power to connected devices such as IP cameras, VoIP phones, and other networking equipment. This simplifies installation and reduces the need for additional power sources, contributing to a more streamlined and cost-effective network setup.
24 Gigabit Ethernet Ports
The switch boasts 24 Gigabit Ethernet ports, ensuring high-speed data transfer and optimal network performance. Each port supports 10/100/1000Base-T connections, catering to a wide range of devices with varying bandwidth requirements.
Access Control Lists (ACLs)
Security is a paramount concern in any network infrastructure. The JL255A 2930f addresses this with the implementation of Access Control Lists (ACLs). ACLs enable administrators to define rules that control the flow of traffic based on various criteria, such as source and destination IP addresses, ports, and protocols. This granular control enhances network security by preventing unauthorized access and potential security breaches.
Quality of Service (QoS)
Quality of Service is a critical aspect of network management, ensuring that different types of traffic receive the appropriate level of priority. The HPE JL255A supports QoS features, allowing administrators to prioritize voice, video, and data traffic based on application requirements. This ensures a consistent and reliable user experience, even during periods of high network activity.
VLAN Support
Virtual LANs (VLANs) enable the segmentation of a network into isolated groups, improving security and efficiency. The switch supports VLAN configuration, allowing administrators to create separate broadcast domains and control traffic flow within the network. This is particularly useful in environments where different departments or user groups need distinct network segments.
Secure Shell (SSH) and Secure Sockets Layer (SSL) Encryption
To safeguard against unauthorized access to the switch itself, the JL255A 2930f supports Secure Shell (SSH) and Secure Sockets Layer (SSL) encryption protocols. These cryptographic protocols ensure that the communication between the administrator’s device and the switch remains confidential and secure. This is especially crucial when managing the switch remotely over the network.
Redundant Power Supply
To enhance reliability and minimize downtime, the switch supports a redundant power supply configuration. In the event of a power supply failure, the backup power supply seamlessly takes over, ensuring uninterrupted operation. This redundancy feature is particularly important in mission-critical environments where continuous network availability is non-negotiable.
Energy-Efficient Design
In today’s environmentally conscious world, energy efficiency is a key consideration in any technology deployment. The JL255A 2930f is designed with energy efficiency in mind. It incorporates features such as dynamic power management, where power to unused ports is automatically reduced, contributing to overall energy savings.
Simplified Deployment with PoE+
The PoE+ capability of the switch simplifies the deployment of devices that require both data connectivity and power. This is particularly advantageous in scenarios where running separate power cables is impractical or cost-prohibitive. Examples of devices that benefit from PoE+ include IP cameras, wireless access points, and VoIP phones.
High-Speed Connectivity
The inclusion of 24 Gigabit Ethernet ports ensures high-speed connectivity for a multitude of devices. Whether it’s a high-traffic server, a data-intensive workstation, or a VoIP phone, the switch provides the necessary bandwidth for seamless communication and data transfer.
Flexibility with SFP+ Ports
The SFP+ ports offer flexibility in network design by supporting fiber optic connections. This is particularly advantageous in situations where traditional copper cabling may be impractical, such as connecting switches between buildings or in areas with high electromagnetic interference.
Granular Network Control
As a managed switch, the HPE JL255A empowers administrators with granular control over network settings. This includes VLAN configuration, Quality of Service (QoS) implementation, and the ability to monitor and manage network traffic. This level of control is invaluable for optimizing network performance and ensuring that critical applications receive the necessary resources.
Enhanced Security Measures
Security is a top priority in modern networks, and the HPE JL255A comes equipped with features to address this concern. With the ability to implement access controls, secure management interfaces, and other security measures, the switch helps safeguard the network from unauthorized access and potential threats.
Enterprise Networks
In large enterprises with diverse networking needs, the HPE JL255A can serve as a core or distribution switch. Its combination of high-speed Ethernet ports and SFP+ ports makes it adaptable to different networking requirements, while PoE+ simplifies the deployment of IP cameras, wireless access points, and other powered devices.
VoIP Deployments
VoIP (Voice over Internet Protocol) implementations benefit from the HPE JL255A’s PoE+ capability, as it can power VoIP phones directly through the Ethernet cable. This not only simplifies installation but also ensures that VoIP phones remain operational even in the event of a power outage, thanks to features like redundant power supply support.
Data Centers
In data center environments, where high-performance networking is essential, the HPE JL255A’s combination of Gigabit Ethernet and SFP+ ports proves valuable. The switch can be used to connect servers, storage devices, and other networking equipment, providing the necessary speed and flexibility for demanding data center applications.
General Information about this HPE JL255A
- Manufacturer: HPE
- Part Number or SKU# JL255A
- Product Name: Managed Switch
- Enclosure Type: Rack-Mountable – 1u
Technical Specifications of the HPE 24 Ports Managed Switch
- Ports: 24 X 10/100/1000 (Poe+) + 4 X 1 Gigabit / 10 Gigabit SFP+ (Uplink)
- Power Over Ethernet (Poe): Poe+
- Capacity: Jumbo Frame Size : 9220 ¦ Ipv4 Routing Table Entries : 10000 ¦ Ipv6 Routing Table Entries : 5000
- Mac Address Table Size: 32k Entries
- Routing Protocol: Ospf, Rip, Rip-1, Rip-2, Bgp, Igmpv2, Igmp, Ospfv2, Static Ip Routing, Igmpv3, Ospfv3, Static Ipv4 Routing, Static Ipv6 Routing, Ripng, Mld, Cidr
- Remote Management Protocol: SNMP 1, SNMP 2, Rmon 1, SNMP, Telnet, SNMP 3, SNMP 2c, Ssh, Ssh-2, Cli, Xrmon
- Encryption Algorithm: Md5, Ssl
- Authentication Method: Radius, Pap, Chap, Tacacs, Tacacs+
Features
- Flow Control, Full Duplex Capability, Dhcp Support, Bootp Support, Arp Support, VLAN Support, Igmp Snooping, Syslog Support, Diffserv Support, Ipv6 Support, Sntp Support, Sflow, Spanning Tree Protocol (Stp) Support, Multiple Spanning Tree Protocol (Mstp) Support, Access Control List (Acl) Support, Quality Of Service Jumbo Frames Support, DHCP Server, Stp Root Guard, Uni-Directional Link Detection (Udld), Lldp Support, Link Aggregation Control Protocol (Lacp), Management Information Base (Mib), Mac Address Lockout, Dynamic Arp Protection, Dhcp Protection, Dynamic Vlan Support (Gvrp), Multiple VLAN Registration Protocol (Mvrp), Neighbor Discovery Protocol Class Of Service (Cos), Type Of Service (TOS), OpenFlow Support, Cpu Protection, Internet Control Message Protocol (Icmp), Icmp Router Discovery Protocol (Irdp), Virtual Extensible Lan (Vxlan), Management Information Base (Mib) Ii
- Compliant Standards: IEEE 802.1d, IEEE 802.1q, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (Lacp), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.1ad, IEEE 802.1v, IEEE 802.1ab (Lldp), IEEE 802.3at, IEEE 802.3az, IEEE 802.1ax
- Processor: 1 X Arm Cortex-A9: 1.016 GHZ
- Ram: 1 GB – DDR3 SDRAM
- Flash Memory: 4 GB
Expansion / Connectivity
- Interfaces: 24 X 1000base-T – Rj-45 – Poe+ ¦ 4 X Gigabit / 10gbit LAN – SFP+ ¦ 1 X Serial (Console)
- Expansion Slots: 1 (Total) / 1 (Free) X Expansion Slot
Outline, the HPE JL255A 2930f 24G Power Over Ethernet Plus (PoE+) Managed Switch stands out as a versatile and feature-rich solution for modern networking needs. From its PoE+ capabilities to advanced management features, security enhancements, and reliability options, this switch caters to the diverse requirements of network administrators. Whether deployed in small businesses, large enterprises, or educational institutions, the JL255A 2930f exemplifies Hewlett Packard Enterprise’s commitment to delivering cutting-edge networking solutions. As technology continues to evolve, switches like the JL255A 2930f play a crucial role in shaping the future of efficient and secure data communication.







