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HPE JL557A#B2E 2930F 48G PoE+ 4SFP 740W Switch - 48 Port Gigabit - 4 x 10G SFP - Layer 3 Managed - 1U Rack-Mountable
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Product Features
Technical Overview
This switch operates as a fully manageable Layer 3 device, supporting advanced routing protocols, VLAN segmentation (IEEE 802.1Q), link aggregation (IEEE 802.3ad), and Quality of Service (IEEE 802.1p) for traffic prioritization. It complies with key Power over Ethernet standards including IEEE 802.3af and IEEE 802.3at, ensuring compatibility with a wide range of PoE and PoE+ endpoints. The switching fabric handles Gigabit Ethernet on the 48 downlink ports and 10 Gigabit Ethernet on the four SFP uplink slots, with media support for both twisted pair copper and optical fiber connections via SFP modules.
Power specifications include a dual-voltage AC input (120V/230V), an internal power supply, and a maximum power consumption of 980 watts under full load. The 740-watt PoE budget is allocated dynamically across the 48 PoE+ ports, allowing administrators to power devices up to 30 watts per port. Network management is facilitated through a command-line interface (CLI), web-based graphical interface, and support for SNMP, offering flexibility for both routine configuration and automated network monitoring.
Key Product Advantages
The HPE 2930F switch consolidates connectivity, power, and management into a single 1U footprint, reducing infrastructure complexity and hardware sprawl. Its high port density and substantial PoE budget make it an efficient choice for deploying and powering large clusters of networked devices without external power injectors or additional power distribution units.
High-Density PoE+ Deployment
With 48 PoE+ ports and a 740-watt budget, this switch can simultaneously power dozens of devices like VoIP phones, Wi-Fi access points, and IP cameras, simplifying cabling and centralizing power management.
- Eliminates need for local power adapters
- Centralized power control and monitoring
- Supports IEEE 802.3at for up to 30W per port
Scalable Uplink Capacity
The four 10 Gigabit SFP slots provide flexible uplink options for connecting to core switches, servers, or storage arrays, ensuring backbone bandwidth does not become a bottleneck as network traffic grows.
- 10GBase-X support for fiber or DAC cables
- Enables high-speed aggregation links
- Future-proofs network backbone connectivity
Enterprise-Grade Management
Layer 3 routing capabilities and comprehensive protocol support allow for network segmentation, advanced traffic engineering, and integration into larger routed environments, moving beyond basic Layer 2 switching.
- Supports static routing and RIP
- Enables inter-VLAN routing
- Includes security features like 802.1x authentication
Deployment / Use Cases
This switch is engineered for environments where reliable, high-density connectivity and centralized power delivery are critical. Its combination of 48 PoE+ ports and managed Layer 3 features makes it a versatile foundation for modern unified communications, wireless networking, and physical security systems.
In enterprise office settings, it can serve as a wiring closet switch, connecting and powering employee workstations, IP phones, and ceiling-mounted Wi-Fi access points across an entire floor or department. For education and healthcare facilities, the high PoE budget supports dense deployments of classroom technology, nurse call systems, or digital signage. In retail or hospitality, the switch can manage point-of-sale systems, digital menu boards, and surveillance cameras, with the 10G uplinks ensuring smooth backhaul to central servers or the internet gateway.
Unified Communications Backbone
Ideal for VoIP deployments, powering IP phones and connecting call servers, while providing the QoS and VLAN features needed to prioritize voice traffic and maintain call quality.
High-Density Wireless Networking
Supports large-scale Wi-Fi deployments by powering multiple enterprise access points and providing the 10G uplink capacity needed to handle aggregated wireless client traffic.
Physical Profile
Designed for standard 19-inch equipment racks, the switch occupies a single rack unit (1U) of vertical space, with dimensions of 1.73 inches in height, 17.42 inches in width, and 12.77 inches in depth. The rack-mountable form factor includes mounting brackets and facilitates neat cable management through front-accessible ports. The steel chassis provides durability for data center or telecom closet environments, and the approximate weight of 10.56 pounds ensures stable mounting without excessive load on rack rails.
- Width
- 17.42" (442.47 mm)
- Depth
- 12.77" (324.36 mm)
- Height
- 1.73" (43.94 mm)
- Weight
- 10.56 lb (4789.94 g)
Highlights
- 48 Gigabit Ethernet ports with full PoE+ support
- 740-watt total PoE budget for powering connected devices
- Four 10 Gigabit SFP slots for high-speed uplinks
- Layer 3 managed switching with advanced routing features
- 1U rack-mountable form factor for space-efficient deployment
- Supports both twisted pair and optical fiber media
- Dual-voltage AC input (120V/230V) for global compatibility
- Comprehensive networking standards including IEEE 802.1Q, 802.3ad, 802.1x
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | JL557A#B2E |
| Brand Name | HPE |
| Product Series | 2930F |
| Product Model | 2930F 48G PoE+ 4SFP |
| Product Name | 2930F 48G PoE+ 4SFP 740W Switch |
| Product Condition | Refurbished |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Total Number of Network Ports | 48 |
| Network (RJ-45) | Yes |
| Uplink Port | Yes |
| Modular | Yes |
| Port/Expansion Slot Details | 48 x Gigabit Ethernet PoE+,4 x 10 Gigabit Ethernet Expansion Slot |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet |
| Network Technology | 10GBase-X,10/100/1000Base-T |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Expansion Slot Type | SFP |
| Number of SFP Slots | 4 |
| Network & Communication | |
| Layer Supported | 3 |
| Networking Standards | IEEE 802.1p,IEEE 802.3at,IEEE 802.3af,IEEE 802.3ad,IEEE 802.3az,IEEE 802.1ab,IEEE 802.1s,IEEE 802.1D,IEEE 802.1w,IEEE 802.1Q,IEEE 802.1v,IEEE 802.1x,IEEE 802.3 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| PoE (RJ-45) Port | Yes |
| PoE Budget | 740 W |
| Input Voltage | 120 V AC,230 V AC |
| Power Source | Power Supply,PoE+ |
| Power Consumption | 980 W |
| Physical Characteristics | |
| Compatible Rack Unit | 1U |
| Form Factor | Rack-mountable |
| Height | 1.73" (43.94 mm) |
| Width | 17.42" (442.47 mm) |
| Depth | 12.77" (324.36 mm) |
| Weight (Approximate) | 10.56 lb (4789.94 g) |
User Manual
FAQ
How many devices can this switch power with PoE+?
The switch has a total PoE budget of 740 watts distributed across its 48 PoE+ ports. The actual number of devices depends on the power draw of each connected device. For example, it could power approximately 24 devices each requiring 30 watts (the IEEE 802.3at maximum), or a larger number of lower-power devices like IP phones or sensors. The switch dynamically allocates power based on negotiated requirements.
What are the uplink options on this HPE switch?
This switch includes four 10 Gigabit SFP (Small Form-factor Pluggable) slots for uplink connections. These slots accept SFP+ transceivers for optical fiber (like 10GBase-SR or 10GBase-LR) or direct-attach copper (DAC) cables, providing flexible options for connecting to core switches, servers, or storage at 10 Gbps speeds. The slots are separate from the 48 downlink RJ-45 ports.
Does this switch support Layer 3 routing?
Yes, this is a Layer 3 managed switch. It supports static routing and RIP (Routing Information Protocol) for basic inter-VLAN routing and connectivity between different IP subnets. This allows it to perform routing functions internally, reducing the need to forward all inter-VLAN traffic to an external router and improving network efficiency and performance.
What is the rack mounting specification for this switch?
The switch is designed for standard 19-inch equipment racks and occupies 1 rack unit (1U) of vertical space. Its dimensions are 1.73 inches high, 17.42 inches wide, and 12.77 inches deep. It includes mounting brackets for secure installation, and its weight of approximately 10.56 pounds is typical for a 1U switch of this port density.
What networking standards does this switch comply with?
The switch supports a comprehensive set of IEEE standards, including 802.3af and 802.3at for PoE, 802.1Q for VLAN tagging, 802.3ad for link aggregation, 802.1p for traffic prioritization, 802.1x for network access control, and 802.3az for energy-efficient Ethernet. This ensures interoperability with a wide range of network devices and adherence to common enterprise networking practices.
What is the power consumption of this switch?
The switch has a maximum power consumption of 980 watts. This includes the power used by the switch itself plus the PoE power delivered to connected devices. The internal power supply supports dual input voltages of 120V AC and 230V AC, making it suitable for use in different regional electrical systems without modification.
What uplink, SFP, fiber, or media support detail is listed?
The warranty or support detail listed is Yes, giving buyers a clearer picture of expected coverage after purchase.
Does the product support PoE or wireless networking?
Connectivity support is listed in the product specifications, including the relevant wireless or port options when available.
| Qty | Price | Available |
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