Name: JG309B#B2B HP FlexNetwork 5120 8G PoE+ 8-Port Gigabit Layer 2 Managed Switch with 1x SFP
Brand: HP
SKU: JG309B#B2B
Price: 475.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The JG309B#B2B HP FlexNetwork 5120 Series switch combines Power over Ethernet capabilities with Layer 2 managed networking in a compact rack-mountable device. It fits into enterprise network infrastructures by offering multiple gigabit Ethernet ports alongside a versatile SFP uplink port, supporting both copper and fiber connections depending on deployment needs.

General Information
Brand	HP
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Managed Switch, PoE Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	8
Number of Ports	8-Ports
Port Type	10/100/1000Base-T, SFP
Port Speed	10/100/1000 Mbps
UpLink Ports	1
POE Support	PoE+
Switching Capacity	18 Gbps
Switch Forwarding Rate	35.16 Mpps
DRAM	256 MB
Flash Memory	64 MB
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	Optional
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,CLI (SSH/Telnet),SNMP,RMON
Security Features	802.1X,ACLs,SSH,SSL,Port Security,MAC Filtering,Storm Control,DHCP Snooping
Management Type	Managed
Remote Management Protocol	SNMP,SSH,Telnet,HTTP,HTTPS

Physical Characteristics
Weight	3.00

Miscellaneous
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, cULus
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.3x,IEEE 802.1p,IEEE 802.1Q,IEEE 802.3af,IEEE 802.3at

Product Description
This HP FlexNetwork 5120 Series switch offers a reliable Layer 2 managed solution for enterprise networking, delivering both data connectivity and power over Ethernet to devices. It is often found in network closets and small data center racks where efficient port density and power delivery are essential. IT professionals and network administrators typically rely on this switch for its adaptability and straightforward management capabilities. Key Features Equipped with PoE+ functionality for powering IP phones, wireless access points, and surveillance cameras Supports advanced Layer 2 features including VLAN segmentation and traffic prioritization Offers one SFP slot to extend connectivity via fiber or copper modules Compact rack-mount form factor suited for space-constrained environments Provides link aggregation for improved bandwidth and redundancy This switch plays an important role in delivering both data and power across network devices while maintaining consistent performance and ease of management. Its design focuses on delivering dependable connectivity and efficient power distribution without unnecessary complexity.

Use Cases
This switch is typically deployed in mid-sized enterprise networks and branch office environments requiring high port density with PoE+ support. It benefits network teams managing converged voice, video, and data traffic who need reliable network segmentation and power delivery in a single device. How It's Used: Providing power and data connectivity to IP phones and wireless access points in SMB and enterprise LANs Serving as edge switches in campus or branch office networks with link aggregation for redundancy Connecting to fiber uplinks for backbone integration in diverse network setups Supporting surveillance system deployments with PoE-powered cameras in corporate environments Facilitating VLAN segmentation and traffic prioritization in managed network infrastructures In these roles, the switch contributes to operational efficiency by combining network management and power delivery in a single unit. It enables scalable network expansion while maintaining consistent performance and minimizing cabling complexity.