Name: J9981A HP 1820-48G 48-Port 10/100/1000Base-T + 4 SFP Layer 2 Managed Switch
Brand: HP
SKU: J9981A
Price: 119.00 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The HP OfficeConnect 1820-48G switch delivers robust gigabit Ethernet connectivity for office networks, managing traffic efficiently across multiple devices. Designed to fit comfortably in a rack setup, it balances speed and manageability with support for both copper and fiber connections. This switch is a practical choice for businesses looking to maintain a dependable and organized network infrastructure without added complexity.

General Information
Brand	HP
Part Number	J9981A
Condition	Refurbished

Technical Information
Switch Ports	48
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, 1000Base-X, RJ-45, SFP
Port Speed	10/100/1000Base-T
UpLink Ports	4 SFP
POE Support	No
Switching Capacity	104 Gbps
Switch Forwarding Rate	77.38 Mpps
VLAN Support	Yes
Max VLANs Supported	256
Stackable	No
Layer Support	Layer 2
Connector Type	RJ-45,SFP

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	8000

Management and Configuration
Remote Protocols	Yes
Management Interfaces	Web GUI, HTTP, HTTPS, SNMP (v1/v2c), RMON
Security Features	802.1X, ACL, Port Security, MAC Filtering, Storm Control
Remote Management Protocol	HTTP, HTTPS, SNMP

Power & Cooling
Fans	Fanless

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Eco Friendly	Yes
Compliance Standards	RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.3z,IEEE 802.3x,IEEE 802.1Q,IEEE 802.1p,IEEE 802.1D

Product Description
The HP OfficeConnect 1820-48G is a Layer 2 managed network switch built for small to medium-sized businesses that require reliable and scalable wired networking. It's commonly used to connect computers, printers, and other network devices within office environments, providing stable, high-speed data transfer. Often found in wiring closets or server rooms, this switch suits IT teams that need essential network management capabilities like VLAN segmentation and traffic prioritization without the complexity of higher-end switches. It supports both copper and fiber connections to fit different infrastructure needs. Key Features Supports 48 Gigabit Ethernet RJ-45 ports for fast, reliable device connectivity Includes 4 SFP ports allowing flexible fiber uplink options Provides Layer 2 management features such as VLANs and QoS control Rack-mountable design to fit into standard server racks Energy-efficient operation helps reduce power consumption This switch is typically deployed in office networks to handle daily communication demands between various devices. Its straightforward management tools help maintain smooth network performance and security without requiring extensive setup. The mix of copper and fiber ports gives flexibility for network expansion or integration with existing fiber infrastructure.

Use Cases
The HP 1820-48G switch is commonly deployed in medium to large office networks requiring reliable gigabit connectivity and flexible uplink options. Network administrators managing multi-floor enterprise environments benefit from its capacity to handle diverse device connections while maintaining manageable traffic segmentation and prioritization. How It's Used: Supporting wired desktop and VoIP connections in corporate office floors with dense device populations. Providing aggregation points for access switches in campus networks through fiber uplinks using SFP modules. Enabling segmentation of departmental traffic with VLANs in regulated environments requiring controlled data flow. Facilitating network performance management with QoS policies in mixed-use environments including video conferencing and data transfers. Serving as a core switch in small data center edge deployments where balanced port density and fiber options are essential. By combining high port density with Layer 2 management features, this switch supports scalable network designs and efficient traffic control. Its rack-mount form factor aligns with standard infrastructure setups, allowing IT teams to maintain organized and performant network operations across office and campus settings.