Name: JG309BR#B8X HP FlexNetwork 5120 8G PoE+ 8-Port Gigabit Layer 2 Managed Switch with 1x SFP
Brand: HP
SKU: JG309BR#B8X
Price: 445.00 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The JG309BR#B8X HP FlexNetwork 5120 Series switch integrates PoE+ power delivery with gigabit Layer 2 switching capabilities, fitting well into modern network infrastructures. It combines multiple port types and management features to support flexible and reliable connectivity, making it a practical choice for IT environments needing effective traffic control and device powering.

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, RJ-45, SFP
Port Speed	10/100/1000 Mbps
UpLink Ports	1
POE Support	PoE+
Switching Capacity	20 Gbps
Switch Forwarding Rate	39.06 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	8192

Management and Configuration
Remote Protocols	Yes
Management Interfaces	Web GUI (HTTP/HTTPS),CLI (Console),SSH,Telnet,SNMP v1/v2c/v3,RMON
Security Features	802.1X,RADIUS,ACLs,Port security,MAC filtering,Storm control,DHCP snooping,IP Source Guard,ARP inspection,SSH/SSL
Management Type	Managed
Security	ACLs,802.1X,RADIUS
Remote Management Protocol	SNMPv1/v2c/v3,SSH,Telnet,HTTP,HTTPS,CLI (Console)

Power & Cooling
Fans	1 (internal, variable speed)
Power	Internal AC power with PoE+ budget (model dependent; typical PoE budget ~120W)
Power Supply	Internal AC power supply

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 45°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.3x,IEEE 802.1p,IEEE 802.1Q,IEEE 802.1D,IEEE 802.1w,IEEE 802.1s,IEEE 802.3ad,IEEE 802.1X,IEEE 802.3af,IEEE 802.3at

Product Description
The JG309BR#B8X is a network switch from the HP FlexNetwork 5120 Series built for reliable Layer 2 management. It is often found in enterprise and data center environments where stable PoE+ power delivery and flexible connectivity are essential. Network administrators and IT teams benefit from its streamlined control over network traffic and power management. Key Features PoE+ capability on all 8 RJ-45 ports supports powering devices like IP phones and wireless access points Compact rack-mountable design suits space-conscious network racks Managed Layer 2 functionality allows VLAN segmentation and traffic control SFP port offers flexible uplink options for fiber or copper connections Energy-efficient design reduces power consumption without sacrificing performance This switch plays a fundamental role in providing consistent network performance and power delivery. Its robust design ensures dependable operation in environments where uninterrupted connectivity and device powering are critical. The management features enable fine-tuning network behavior to maintain efficiency and security.

Use Cases
This network switch is typically deployed in enterprise and mid-sized business environments where PoE+ power and managed switching are required. IT professionals utilize it in structured network setups that demand both data and power over a single device, often in rack-installed configurations that need scalable and manageable network components. How It's Used: Providing PoE+ power and network connectivity to IP phones and wireless access points in corporate LANs Supporting uplink connections via SFP port for fiber optic links in campus or data center networks Enabling VLAN segmentation and Layer 2 traffic management in medium-sized office networks Deploying in rack-mounted network closets for organized cable management and space efficiency Integrating with existing HP FlexNetwork systems for consistent management and compatibility Its role in these environments centers on delivering reliable network services while managing power distribution efficiently. This ensures operational stability and helps maintain network performance as device density and workload demands increase.