HPE J9981A 1820-48G 48-Port Managed Desktop Rack-Mountable Switch

Ports

The HPE 1820-48G J9981A Managed Desktop Rack-Mountable Switch is a powerful networking device that boasts an impressive 48 ports. This abundance of ports is a significant advantage for users, providing them with increased flexibility and scalability for their network infrastructure.

General Information

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Model Number: J9981A
• Product Type: Managed Switch
• Port Configuration: 48 Ports

Technical Specifications

Physical Characteristics

• Mounting Options: Desktop, Rack-Mountable, Wall-Mountable – 1U
• Switch Type: Gigabit Ethernet

Port and Performance Details

• Ports: 48 x 10/100/1000 Mbps + 4 x Fast Ethernet/Gigabit SFP
• Throughput: Up to 77.3 Million Packets Per Second (Mpps)
• Switching Capacity: 104 Gigabits Per Second (Gbps)
• MAC Address Table Size: 16,000 Entries
• Jumbo Frame Support: Yes

Management and Security Features

• Remote Management: SNMP v1, SNMP v2c, HTTPS
• Encryption: SSL
• Additional Features:
  • Flow Control
  • Full Duplex Capability
  • Layer 2 Switching
  • DHCP Support
  • BOOTP Support
  • VLAN Support
  • Auto-Uplink (Auto MDI/MDI-X)
  • DOS Attack Prevention
  • Port Mirroring
  • SNTP Support
  • Quality of Service (QoS)
  • Jumbo Frames Support
  • LLDP Support

Standards Compliance

• IEEE 802.3
• IEEE 802.3u
• IEEE 802.1q
• IEEE 802.3ab
• IEEE 802.1p
• IEEE 802.3x
• IEEE 802.3ad (LACP)
• IEEE 802.1ab (LLDP)

Hardware Specifications

Processor and Memory

• Processor Speed: 400 MHz
• RAM: 128 MB SDRAM
• Flash Memory: 16 MB

Connectivity Options

• Interfaces:
  • 48 x 1000Base-T – RJ-45
  • 4 x SFP

Increased Connectivity

With 48 ports, this switch allows users to connect numerous devices to their network simultaneously. Whether it's computers, printers, servers, or any other network-enabled devices, the HPE 1820-48G J9981A can handle it all. This high level of connectivity is particularly beneficial for small to medium-sized businesses that are constantly expanding their operations and adding new devices to their network.

Reduced Network Congestion

One of the key benefits of having 48 ports is the ability to distribute network traffic evenly across multiple devices. By doing so, the switch effectively reduces network congestion, ensuring a smooth and uninterrupted flow of data. This is especially important in busy office environments where multiple users are accessing network resources simultaneously. With the HPE 1820-48G J9981A, users can experience faster and more reliable network performance.

Improved Network Performance

Having 48 ports enables users to create separate VLANs (Virtual Local Area Networks) for different departments or groups within their organization. This segregation helps optimize network performance by isolating traffic and preventing unnecessary bottlenecks. For example, IT departments can have their own VLAN to ensure critical systems receive the necessary bandwidth without being slowed down by other departments' activities.

Scalability and Future-proofing

The HPE 1820-48G J9981A Managed Switch's 48 ports provide users with room to grow their network infrastructure. As businesses expand and add more devices, having additional ports readily available is essential. With this switch, users don't have to worry about running out of ports and can easily accommodate new devices without the need for additional networking equipment. This scalability helps future-proof the network, saving users both time and money in the long run.

Flexibility and Versatility

The ample number of ports on the HPE 1820-48G J9981A Managed Switch provides users with flexibility in designing their network topology. Whether it's a star, mesh, or ring topology, this switch can accommodate various setups to meet specific requirements. Furthermore, its rack-mountable design allows for easy installation in server racks or cabinets, providing users with versatile deployment options.

In conclusion, the HPE 1820-48G J9981A Managed Desktop Rack-Mountable Switch's 48 ports offer numerous benefits and play a crucial role in enhancing users' networking experience. With increased connectivity, reduced network congestion, improved performance, scalability, cost savings, and flexibility, this switch proves to be an ideal choice for businesses of all sizes.