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

Product Overview
The HP FlexNetwork 5120 Series 5120 8G PoE+ switch combines Gigabit Ethernet connectivity with PoE+ capabilities, fitting into managed Layer 2 network environments. It supports powering networked devices directly via Ethernet and provides flexible uplink options through its SFP port, making it a practical choice for structured, rack-mounted network setups.

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	10/100/1000Base-T
UpLink Ports	1
POE Support	PoE+
Switching Capacity	20 Gbps
Switch Forwarding Rate	14.88 Mpps
DRAM	128 MB
Flash Memory	64 MB
VLAN Support	Yes
Max VLANs Supported	4094
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 (Console),SSH,TELNET,SNMP
Security Features	802.1X,MAC Authentication,Port Security,ACLs,DHCP Snooping,IP Source Guard,DoS Protection
Management Type	Managed
Security	Yes
Remote Management Protocol	SNMPv1/v2c/v3,SSH,Telnet,HTTP/HTTPS

Power & Cooling
Fans	Fanless

Physical Characteristics
Weight	3.00

Miscellaneous
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 802.1Q,IEEE 802.1p,IEEE 802.1D,IEEE 802.3af,IEEE 802.3at

Product Description
The HP FlexNetwork 5120 Series 5120 8G PoE+ switch provides robust, managed Layer 2 networking capabilities built for business environments. It commonly appears in enterprise networks and campus infrastructures where reliable connectivity and power over Ethernet are essential. Network administrators and IT professionals often find this switch valuable due to its combination of PoE+ functionality and Gigabit speeds. Its rack-mountable form factor fits standard network racks, making deployment straightforward in structured networking setups. Key Features Delivers up to 30W PoE+ power per port, supporting devices like IP phones and wireless access points Offers 8 10/100/1000Base-T RJ-45 ports with PoE+ and 1 SFP slot for fiber connections Layer 2 management enables VLAN segmentation, QoS prioritization, and link aggregation Supports industry-standard protocols ensuring compatibility with diverse equipment Compact and sturdy design optimized for rack mounting in network closets This model plays a key role in delivering power and data over a single cable, reducing installation complexity. It balances performance and manageability, offering stable operation for growing network demands.

Use Cases
This switch is typically deployed in enterprise networks, SMBs, and campus settings where centralized management and PoE support are required. It suits environments needing reliable power delivery alongside data connectivity, such as office floors or wiring closets. How It's Used: Providing PoE+ power and network access to IP phones and wireless access points in corporate offices Serving as an access layer switch in campus LANs requiring VLAN segmentation and traffic control Uplink connectivity in data centers or server rooms via its SFP fiber port Supporting rack-mounted deployments in network closets for streamlined cable management Enabling link aggregation and QoS to optimize bandwidth and prioritize critical traffic By integrating network management and PoE in a compact package, this switch helps maintain organized, efficient, and scalable network infrastructures that meet the operational needs of mid-sized and large organizations.