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HP ProCurve J9311A 48-Ports Managed Switch Rack-Mountable Gigabit Ethernet L3 PoE RJ-45

J9311A
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Brief Overview of J9311A

HP ProCurve J9311A 48-Ports Managed Switch Rack-Mountable RJ-45 PoE Gigabit Ethernet L3. Excellent Refurbished with 6-Month Replacement Warranty
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SKU/MPNJ9311AAvailability✅ In StockProcessing TimeUsually ships same day ManufacturerHPE Product/Item ConditionExcellent Refurbished ServerOrbit Replacement WarrantySix-Month (180 Days)
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Description

Ports

The HP ProCurve J9311A Managed Switch is equipped with an impressive 48 ports, making it an ideal choice for businesses and organizations that require extensive network connectivity. With 48 ports available, users can connect a large number of devices such as computers, servers, printers, and IP phones to the switch, ensuring seamless communication and data transfer within the network.

Product Specifications

  • Manufacturer: HP
  • Model Number: J9311A
  • Type: Network Switch
  • Form Factor: Rack-Mountable
  • Enclosure: 1U Rack-Mountable

Port and Interface Configuration

This switch offers a range of connectivity options:

  • Total Ports: 48 x 10/100/1000 Mbps
  • Shared SFP Ports: 4
  • Power over Ethernet (PoE): Yes

Network Protocols

Supports various routing and management protocols, including:

  • Routing Protocols: RIP-1, RIP-2, Static IP Routing, IGMPv3
  • Remote Management: SNMP v1, SNMP v2c, SNMP v3, RMON (1, 2, 3, 9), Telnet, HTTP, HTTPS, SSH

Performance and Security

For efficient processing and performance:

  • Processor: 1 x Freescale PowerPC 8540, 666 MHz
  • RAM: 256 MB DDR SDRAM
  • Flash Memory: 4 MB

Security Features

Ensures secure operations with:

  • Encryption: SSL
  • Authentication: SSH, Radius, TACACS+, SSH v2

Power Specifications

The HP J9311A switch operates with the following power specifications:

  • Power Over Ethernet (PoE): Yes
  • Power Source: Internal Power Supply
  • Voltage Required: AC 120/230 V (50/60 Hz)
  • Power Consumption (Operational): 638 Watts
Status Indicators

Keep track of device status with indicators for:

  • Port Status
  • Power

The HP J9311A switch is a robust solution for enhancing your network infrastructure, combining extensive port options, high security, and efficient power management.

Increased Scalability

One of the major benefits of having 48 ports on the HP ProCurve J9311A is the increased scalability it offers. As businesses grow and expand, their network requirements also tend to increase. With 48 ports, users have the flexibility to add more devices to their network without the need for additional switches or complex configurations. This scalability ensures that businesses can easily accommodate new devices and users without any disruption to their existing network infrastructure.

Reduced Network Congestion

Having a sufficient number of ports is crucial for reducing network congestion. When multiple devices share a limited number of ports, it can lead to slow data transfer speeds and increased latency. However, with 48 ports on the HP ProCurve J9311A, users can distribute the network load evenly across multiple devices, minimizing congestion and ensuring smooth network performance.

Improved Network Management

The abundance of ports on the HP ProCurve J9311A simplifies network management tasks. Each port can be assigned to specific departments, floors, or areas within an organization, allowing for efficient monitoring and troubleshooting. Network administrators can easily identify and isolate any issues that may arise in a particular section of the network without affecting the entire infrastructure.

Port Aggregation

The switch also supports port aggregation, which allows multiple physical ports to be combined into a single logical link. This feature enhances network performance by increasing bandwidth and providing redundancy. Moreover, port aggregation enables load balancing, ensuring that traffic is distributed evenly across the aggregated ports, resulting in improved network efficiency.

Link Layer Discovery Protocol (LLDP)

The HP ProCurve J9311A supports LLDP, a vendor-neutral link layer protocol that enables devices to advertise their identity, capabilities, and neighbors to neighboring devices. This protocol aids in network discovery and simplifies the management of complex networks. With LLDP, network administrators can easily identify the connected devices and their respective ports, allowing for efficient troubleshooting and device management.

Flexibility for Different Network Environments

The 48 ports on the HP ProCurve J9311A offer flexibility for various network environments. Whether it's a small office, a large enterprise, or an educational institution, the switch can accommodate the diverse connectivity needs of different organizations. The extensive port availability ensures that users can connect all their essential devices without limitations, making it a versatile choice for any network setup.

Mounting

The HP ProCurve J9311A Managed Switch is designed to be rack-mountable, providing users with a convenient and space-saving solution for organizing their network equipment. Rack-mounted switches offer several benefits over standalone switches when it comes to installation, organization, and maintenance of network infrastructure.

Space Efficiency

Rack-mountable switches are specifically designed to fit into standard server racks or cabinets. By mounting the switch in a rack, users can save valuable floor or desk space that would otherwise be occupied by standalone switches. This space efficiency is particularly crucial in environments where space is limited or needs to be optimized efficiently.

Easy Installation

Mounting the HP ProCurve J9311A in a rack is a straightforward process that requires minimal effort. The switch is designed with provisions for rack-mounting brackets or ears, which can be easily attached to the switch chassis. Once the brackets are secured, the switch can be effortlessly installed into a rack, eliminating the need for complex installation procedures.

Improved Cable Management

Rack-mountable switches offer better cable management compared to standalone switches. With a rack setup, users can neatly organize and route cables within the rack, minimizing cable clutter and ensuring a tidy and organized network infrastructure. This streamlined cable management not only enhances the aesthetics of the network setup but also simplifies troubleshooting and maintenance tasks.

Scalability and Flexibility

Rack-mounted switches provide scalability and flexibility for growing network infrastructures. As the number of devices and network requirements increase, users can easily add more switches to their existing rack setup without the need for additional floor or desk space. This scalability allows organizations to expand their networks seamlessly while maintaining a centralized and organized infrastructure.

Enhanced Cooling and Airflow

Rack-mounted switches are designed to fit into standard racks that typically include proper ventilation and cooling mechanisms. This ensures that the switch operates within optimal temperature ranges, preventing overheating issues that can affect performance and reliability. Additionally, the airflow within a rack setup is more efficient, allowing for better heat dissipation and reducing the risk of equipment failure due to excessive heat.

Centralized Management

Mounting the HP ProCurve J9311A in a rack enables centralized management of network equipment. With all switches located in a single location, network administrators can easily access and manage the switches without having to physically move between different areas. This centralized management simplifies configuration changes, monitoring, and maintenance tasks, resulting in improved efficiency and reduced downtime.

Interface

The HP ProCurve J9311A Managed Switch features RJ-45 interfaces, which are commonly used for Ethernet connections. The RJ-45 interface offers several benefits that make it an essential feature for users seeking reliable and versatile network connectivity.

Compatibility

RJ-45 interfaces are widely compatible with various devices and networking equipment. Whether it's a computer, server, printer, or other network devices, the RJ-45 interface ensures seamless connectivity across different devices within the network. This compatibility eliminates the need for additional adapters or converters, simplifying the setup and reducing potential compatibility issues.

Standardization

RJ-45 interfaces adhere to industry standards, ensuring uniformity and compatibility across different manufacturers and devices. This standardization allows for easier integration of the HP ProCurve J9311A switch into existing network infrastructures without requiring extensive modifications or custom configurations. Users can rely on the RJ-45 interface to provide a consistent and reliable connection between their devices and the switch.

Ease of Use

The RJ-45 interface is user-friendly and does not require any specialized knowledge or expertise to connect devices. The connectors are designed to be easily inserted and removed, facilitating hassle-free installation and maintenance. This ease of use makes the HP ProCurve J9311A switch accessible to users of all levels of technical proficiency, minimizing the learning curve associated with network equipment.

Flexible Cable Lengths

RJ-45 interfaces support flexible cable lengths, providing users with versatility in network deployment. Users can choose the appropriate cable length based on their specific requirements, whether it's a short cable for connecting nearby devices or a longer cable for spanning greater distances within a building or campus. This flexibility allows for efficient network planning and reduces cable clutter.

Reliable Connection

RJ-45 interfaces provide a reliable and stable connection for data transfer within the network. The connectors are designed to securely fasten the cables, minimizing the risk of accidental disconnections or interruptions in network connectivity. This reliability ensures consistent data transmission and reduces the likelihood of data loss or network downtime.

Cost-Effectiveness

RJ-45 interfaces offer cost-effective connectivity solutions. The cables and connectors required for RJ-45 interfaces are widely available and affordable, making it a cost-effective choice for network setups. Additionally, the standardization of RJ-45 interfaces reduces the need for specialized or proprietary equipment, further contributing to cost savings for users.

Power Over Ethernet

The HP ProCurve J9311A Managed Switch supports Power over Ethernet (PoE), providing users with a convenient and efficient method of powering network devices. PoE offers several benefits that simplify network deployments and enhance flexibility for users.

Simplified Installation

With PoE support, users can power devices such as IP phones, wireless access points, and IP cameras directly from the switch, eliminating the need for separate power adapters or electrical outlets. This simplifies the installation process, reduces cable clutter, and ensures a clean and organized network setup. Users can conveniently deploy PoE-enabled devices in locations where access to power outlets may be limited or impractical.

Flexibility in Device Placement

PoE enables users to deploy network devices in locations where power outlets are not readily available. This flexibility allows for optimal device placement based on factors such as signal strength, coverage area, or convenience, rather than being restricted by the proximity of power sources. Users can easily position devices in areas that maximize their effectiveness without compromising on power supply.

Centralized Power Management

PoE-enabled switches provide centralized power management capabilities. Network administrators can monitor and control the power supply to individual devices from a central location, simplifying maintenance tasks and reducing downtime. This centralized approach enhances efficiency by allowing administrators to remotely reset or power cycle devices without physical intervention.

Cost Savings

Utilizing PoE eliminates the need for separate power adapters, reducing equipment costs and minimizing cable clutter. It also reduces the overall power consumption of the network by efficiently distributing power only to the devices that require it. This energy-saving feature can result in significant cost savings over time, particularly in large network deployments.

Scalability and Future-Proofing

PoE provides scalability and future-proofing capabilities for network infrastructures. As new devices and technologies emerge, users can easily integrate them into their existing PoE-enabled network without the need for additional power infrastructure. This scalability ensures that the network can adapt to changing requirements and accommodate new devices, allowing for seamless expansion and future upgrades.

Reliability and Redundancy

PoE-enabled switches often include features such as redundant power supplies or power backup options. These features ensure uninterrupted power supply to critical devices, even in the event of a power outage. The reliability and redundancy offered by PoE enhance the overall stability and uptime of the network, making it an ideal choice for businesses that require uninterrupted connectivity.

Speed

The HP ProCurve J9311A Managed Switch supports Gigabit Ethernet, providing users with fast data transfer speeds and efficient network performance. The Gigabit Ethernet feature offers several advantages that enhance productivity and enable seamless communication within the network.

High Data Transfer Rates

Gigabit Ethernet provides data transfer rates of up to 1000 Mbps, which is ten times faster than traditional Fast Ethernet. This high-speed connectivity ensures swift and efficient transfer of large files, multimedia content, or data-intensive applications within the network. Users can experience significantly reduced file transfer times and improved overall network performance.

Enhanced Productivity

The increased data transfer speeds offered by Gigabit Ethernet result in enhanced productivity for users. With faster access to network resources and reduced latency, employees can complete tasks more efficiently, collaborate seamlessly, and access critical information without delays. This improved productivity translates into time savings and increased efficiency for businesses and organizations.

Support for Bandwidth-Intensive Applications

Gigabit Ethernet is essential for supporting bandwidth-intensive applications such as video streaming, VoIP, and virtualization. These applications require substantial network bandwidth to deliver high-quality audio and video, ensure smooth virtual machine performance, and handle large amounts of data. The Gigabit Ethernet feature on the HP ProCurve J9311A switch provides the necessary bandwidth to support these applications without compromising on performance.

Backward Compatibility

Gigabit Ethernet is backward compatible with Fast Ethernet and Ethernet standards. This ensures that devices with slower network interfaces can still connect to the switch and benefit from its features, although at reduced speeds. The backward compatibility feature enables a smooth transition from older network technologies to Gigabit Ethernet without the need for immediate replacement of all network devices.

Jumbo Frame Support

The HP ProCurve J9311A switch supports jumbo frames, which are larger than standard Ethernet frames. Jumbo frames allow for more efficient data transfer by reducing the overhead associated with transmitting smaller frames. This feature is particularly beneficial for applications that involve large data transfers or multimedia content, as it further improves network performance and reduces latency.

Future-Proofing

Gigabit Ethernet offers future-proofing capabilities for network infrastructures. As network requirements continue to evolve and demand for higher speeds increases, Gigabit Ethernet provides a solid foundation for accommodating future upgrades and technological advancements. Investing in a Gigabit Ethernet-enabled switch like the HP ProCurve J9311A ensures that the network can keep up with growing demands without requiring immediate hardware replacements.

Layer

The HP ProCurve J9311A Managed Switch operates at Layer 3 of the OSI model, offering advanced routing capabilities that enhance network performance and security. The Layer 3 feature provides several benefits for users seeking a robust and efficient network infrastructure.

Efficient Routing

Layer 3 switches can perform routing functions at wire speed, enabling efficient and fast packet forwarding within the network. With Layer 3 capabilities, the HP ProCurve J9311A switch can facilitate traffic routing between different subnets, ensuring optimal network performance and reducing congestion. This efficient routing minimizes latency and allows for seamless communication between devices across the network.

Improved Network Segmentation

Layer 3 switches support network segmentation by dividing the network into multiple virtual LANs (VLANs). VLANs help isolate traffic, improve security, and enhance network management. By utilizing Layer 3 capabilities, users can create separate VLANs for different departments, floors, or areas within an organization. This segmentation ensures that traffic is contained within specific VLANs, enhancing security and minimizing the impact of network issues.

Enhanced Security

Layer 3 switches offer advanced security features that protect the network against unauthorized access and potential threats. These switches can implement access control lists (ACLs) to filter traffic based on specific criteria such as source IP addresses, destination IP addresses, or protocols. ACLs enable administrators to define granular security policies and restrict access to certain resources or services within the network.

Quality of Service (QoS)

The Layer 3 capabilities of the HP ProCurve J9311A switch enable the implementation of quality of service (QoS) mechanisms. QoS ensures that critical applications or services receive priority treatment when it comes to bandwidth allocation. By prioritizing certain types of traffic, such as voice or video data, users can enjoy a seamless user experience without disruptions or degradation in performance.

Network Redundancy

Layer 3 switches support network redundancy by utilizing protocols such as Virtual Router Redundancy Protocol (VRRP) or Routing Information Protocol (RIP). These protocols allow for the creation of redundant paths within the network, ensuring high availability and fault tolerance. In the event of a link or device failure, Layer 3 switches can automatically reroute traffic through alternative paths, minimizing downtime and ensuring continuous network connectivity.

Scalability and Flexibility

Layer 3 switches provide scalability and flexibility for network expansions. As organizations grow and their network requirements increase, Layer 3 switches can accommodate the additional traffic and devices without compromising performance. Users can easily add new subnets or VLANs to their existing network infrastructure, allowing for seamless scalability and adaptability to changing business needs.

In conclusion, the HP ProCurve J9311A Managed Switch offers an array of features that enhance network connectivity, performance, and security. With its 48 ports, users can connect a large number of devices, ensuring scalability and reducing network congestion. The rack-mountable design provides space efficiency, easy installation, and improved cable management. The RJ-45 interface offers compatibility, standardization, ease of use, and flexibility in cable lengths. Power over Ethernet simplifies installation, provides flexibility in device placement, and enables centralized power management. Gigabit Ethernet ensures high data transfer rates, enhanced productivity, support for bandwidth-intensive applications, backward compatibility, and future-proofing capabilities. Layer 3 functionality enhances routing efficiency, network segmentation, security features, quality of service implementation, and network redundancy. Overall, the HP ProCurve J9311A Managed Switch is a reliable and versatile choice for businesses and organizations seeking a powerful networking solution.

Features
Product/Item Condition:
Excellent Refurbished
ServerOrbit Replacement Warranty:
Six-Month (180 Days)