HP J9028B 24 Ports Switch
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HP J9028B 24 Ports Managed Switch 1GBPS 1800-2 ProCurve Refurbished

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Part Number#: J9028B
List Price was: $884.62
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Short Description:
J9028B 24 Ports 1Gigabytes Per Second (GBPS) ProCurve 1800-24 Gigabit Ethernet (GBE) Managed 22 x 10/100/1000Base-T LAN 2 x 10/100/1000Base-T LAN Gigabit Layer 2 Ethernet Switch | Made by HP | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the HP J9028B Managed Switch

In the world of networking, having a reliable and efficient switch is crucial for seamless communication and data transfer. The HPE J9028B is a 24-port Gigabit Ethernet managed switch designed to meet the demands of modern networks. In this detailed guide, we will explore the key features, specifications, and benefits of the HPE J9028B, ensuring a comprehensive understanding for both novices and seasoned IT professionals.

The HPE J9028B ProCurve switch is a Gigabit Ethernet switch developed by Hewlett Packard Enterprise (HPE). Its model name, J9028B, indicates its specific configuration and features. Let's break down the details:

Port Configuration

The switch boasts 24 ports, each capable of delivering data at a rate of 1 Gigabyte per second (1Gbps). This high-speed capability is essential for handling large volumes of data in a network, making it suitable for businesses, data centers, and enterprises.

Managed Switch

Being a managed switch means that the HPE J9028B provides administrators with advanced control and configuration options. This allows for customization of network settings, optimization of performance, and enhanced security measures. The management features make it suitable for environments where a high degree of control is required.

Gigabit Ethernet Capabilities

Gigabit Ethernet refers to the standard for transmitting Ethernet frames at a rate of 1 Gigabit per second. The HPE J9028B leverages this technology, ensuring that data can be transferred at remarkable speeds. This is especially advantageous in scenarios where large files need to be transmitted quickly, such as in media production or data backup processes.

10/100/1000Base-T LAN

The switch includes 22 ports that support the 10/100/1000Base-T LAN standard. This indicates compatibility with different Ethernet standards, including 10Mbps, 100Mbps, and 1Gbps. This flexibility allows the switch to seamlessly integrate into various network environments, providing adaptability and scalability.

Dual 10/100/1000Base-T LAN Uplink Ports

In addition to the 24 standard ports, the HPE J9028B features 2 uplink ports, also supporting the 10/100/1000Base-T LAN standard. These uplink ports serve as connections to other network devices or higher-level switches, facilitating interconnectivity within a larger network infrastructure.

Layer 2 Ethernet Switch

The HPE J9028B operates as a Layer 2 Ethernet switch, which refers to its position in the OSI model. The OSI model is a conceptual framework used to understand and design computer networks. In the context of Layer 2, the switch operates at the data link layer, responsible for the reliable transmission of data frames between adjacent nodes connected by direct links.

Benefits of Layer 2 Switching

Efficient Data Forwarding

Layer 2 switches make forwarding decisions based on the physical address (MAC address) of devices connected to the network. This allows for more efficient data forwarding compared to traditional hubs or routers.

Reduced Network Traffic

By filtering and forwarding data only to the relevant devices within the same network, Layer 2 switches help reduce unnecessary network traffic. This results in improved network performance and responsiveness.

Enhanced Security

Layer 2 switches support features such as VLANs (Virtual Local Area Networks), which can enhance network security by logically segmenting the network and controlling communication between segments.

Management and Configuration

The managed capabilities of the HPE J9028B contribute significantly to its versatility and adaptability in diverse networking environments. Let's delve into the key aspects of management and configuration:

Web-Based Management Interface

The switch comes equipped with a user-friendly web-based management interface. This interface allows administrators to configure and monitor the switch using a standard web browser. This graphical interface simplifies the management tasks, making it accessible even to those without extensive command-line interface (CLI) knowledge.

Command-Line Interface Access

For seasoned IT professionals who prefer a command-line interface for configuration and management, the HPE J9028B provides CLI access. This text-based interface allows for precise and scriptable configuration, providing a more granular level of control over the switch's settings.

Simple Network Management Protocol Support

The switch supports SNMP, a standard protocol for network management. SNMP enables monitoring and management of network devices, allowing administrators to gather information, set configuration parameters, and receive alerts about network events. This feature enhances the switch's integration into existing network management systems.

Quality of Service Configuration

Ensuring a quality user experience is paramount in any network. The HPE J9028B supports Quality of Service (QoS) configuration, allowing administrators to prioritize certain types of traffic over others. This is crucial for applications that demand low latency, such as voice and video communication.

Security Features

Network security is a top priority in today's digital landscape. The HPE J9028B incorporates various security features to safeguard against unauthorized access and potential threats:

Port Security

Administrators can configure port security settings to control access to the network based on MAC addresses, preventing unauthorized devices from connecting.

VLAN Support

The switch supports Virtual Local Area Networks (VLANs), allowing administrators to logically segment the network. This segmentation enhances security by isolating traffic and controlling communication between different segments.

Secure Shell Encryption

For secure remote management, the switch supports SSH encryption, ensuring that management communication is protected from eavesdropping and unauthorized access.

Access Control Lists

ACLs enable administrators to define rules for filtering network traffic based on various criteria, adding layer of security to the network.

General Information about the HP J9028B Switch

  • Manufacturer: HP
  • Model Number or SKU# J9028B
  • Product Type: Switch
  • Switch Type: 24 Ports Switch

Technical Information of the HPE

  • Ports Qty : 24 Dbi X Ethernet 10base-T • X Ethernet 1000base-T • X Ethernet 100base-Tx
  • Data Transfer Rate: 1 GBPS
  • Data Link Protocol: Ethernet • Fast Ethernet • Gigabit Ethernet
  • Remote Management Protocol: HTTP
  • Connectivity Technology: Wired
  • Communication Mode: Full-Duplex • Half-Duplex
  • Switching Protocol: Ethernet
  • Mac Address Table Size: 8k Entries
  • Status Indicators : Link / Status • Activity • Full Duplex / Half Duplex • Power • Speed


  • Ram: 64 Kb Sdram
  • Flash Memory: 2 Mb Flash
  • Uplink/Additional Port(S) : 2 X Sfp/1000base-T Combo

Outline, the HPE J9028B 24-Port 1Gbps ProCurve 1800-24 Gigabit Ethernet Managed Switch is a versatile and reliable networking solution designed to meet the demands of modern network environments. Its high-speed capabilities, advanced management features, and robust security measures make it a valuable asset for enterprises, data centers, and businesses of varying sizes. Whether you are a seasoned IT professional or a novice in networking, the HPE J9028B offers a user-friendly and efficient solution to ensure seamless communication and data transfer in your network.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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