Name: J9021AR HP 2810-24G 24-Port Gigabit + 4-Port SFP Layer 2 Switch
Brand: HP
SKU: J9021AR
Price: 121.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The J9021AR HP 2810-24G switch delivers 24 Gigabit Ethernet ports for wired device connections and 4 SFP ports for fiber uplinks. It operates at Layer 2, supporting VLANs to segment traffic within a LAN. The device is designed to fit into typical SMB or enterprise network environments requiring managed switching capabilities.

General Information
Brand	HP
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Managed Switch, Gigabit Switch
Mount Type	1U Rack, Desktop
Switch Ports	24
Number of Ports	24-Ports
Port Type	10/100/1000Base-T, SFP, Serial Console (RJ-45)
Port Speed	10/100/1000Base-T
UpLink Ports	4 SFP
POE Support	No
Switching Capacity	56 Gbps
Switch Forwarding Rate	109.375 Mpps
DRAM	128 MB
Flash Memory	32 MB
VLAN Support	Yes
Max VLANs Supported	1-4094
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 (HTTP/HTTPS),CLI (Console),SNMP,SSH,Telnet
Security Features	Access control lists (ACLs),802.1X port authentication,Port security,Storm control,MAC filtering,BPDU protection
Management Type	Managed
Security	RADIUS,802.1X,ACLs
Remote Management Protocol	HTTP,HTTPS,SSH,Telnet,SNMPv1/v2c

Power & Cooling
Fans	Fanless
Power	26 W
Power Supply	Internal 100-240 VAC, 50/60 Hz

Physical Characteristics
Dimensions	1.73 x 17.32 x 10.24 in
Weight	3.00
Operating Temperature	0°C to 50°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.1Q,IEEE 802.1p,IEEE 802.3x,IEEE 802.1D

Product Description
The J9021AR HP 2810-24G is a Layer 2 network switch designed to deliver essential connectivity for business networks. It features 24 Gigabit Ethernet ports that provide reliable access for wired devices, complemented by 4 SFP ports that allow for fiber-optic uplink connections. This switch is typically deployed in enterprise or SMB LANs where performance and network segmentation are important. Network administrators and IT professionals often use this switch to build scalable and manageable network infrastructures that require basic Layer 2 functionality. Key Features 24 10/100/1000 Mbps Ethernet ports supporting standard wired connections 4 SFP ports for fiber uplink options enhancing connectivity range Layer 2 switching with VLAN support for network segmentation Compact form factor suitable for rack or desktop deployment Management features enabling configuration and monitoring This switch provides fundamental network access and segmentation capabilities. It is suitable for organizations that need to connect multiple devices while maintaining control over local traffic through VLAN support and other Layer 2 features. Its combination of copper and SFP ports allows flexible deployment in diverse networking setups.

Use Cases
The HP 2810-24G switch is commonly used in small to medium business networks to provide scalable, manageable connectivity options. It serves environments where a mix of copper and fiber connections are needed, and where Layer 2 network segmentation improves local traffic management. How It's Used: Connecting office workstations and VoIP phones via 24 Gigabit Ethernet ports Providing fiber uplinks to core switches or network aggregation points through 4 SFP ports Implementing VLANs to separate departments or user groups within an Ethernet LAN Deploying in wiring closets or small data centers as an access layer switch Supporting network management and monitoring within SMB network operations Overall, this switch acts as a foundational network device to organize and control traffic within local area networks. It supports typical business networking requirements without introducing advanced routing or Layer 3 functions.

FAQ's
What type of ports does the J9021AR HP 2810-24G have? It has 24 Gigabit Ethernet ports for copper connections and 4 SFP ports for fiber uplinks, supporting mixed media network deployments. Is the HP 2810-24G a Layer 2 or Layer 3 switch? The J9021AR model operates as a Layer 2 switch, providing VLAN and switching capabilities without routing functions. Can this switch be used in small business networks? Yes, it is designed for small to medium business environments requiring managed Layer 2 switching and flexible connectivity. What is the purpose of the SFP ports on this switch? The 4 SFP ports provide fiber optic uplink options to connect with core switches or extend network reach via fiber cabling. Does the J9021AR support VLAN configuration? Yes, being a Layer 2 switch, it supports VLANs to segment and manage network traffic within the LAN. How is the HP 2810-24G typically deployed? It is commonly used as an access layer switch in wiring closets or small data centers, connecting end devices and uplinking to aggregation points.