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HPE JL684AR#ABA Instant On 1930 24-Port Gigabit PoE+ Switch - 4x SFP+ Uplinks - 370W PoE Budget - Layer 4 Managed - 1U Rack-Mountable
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Product Features
Technical Overview
This switch operates at Layer 4, providing traffic classification and bandwidth limiting capabilities essential for optimizing network performance and enforcing quality of service policies. It supports both Gigabit Ethernet (10/100/1000Base-T) over twisted pair and 10 Gigabit Ethernet (10GBase-X) via optical fiber, allowing flexible media choices for different distance and performance requirements.
The four SFP+ expansion slots enable high-performance uplinks to core switches or servers, delivering up to 10x the throughput of standard Ethernet connections. With a total power consumption of 439W and an integrated power supply, it ensures stable operation for all connected PoE devices.
This section brings together practical product details such as Total Number of Network Ports, Uplink Port, Modular, Media Type Supported, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The HPE Instant On 1930 switch stands out with its balanced combination of port density, power budget, and management features. The 370W PoE budget is substantial for its class, allowing simultaneous power delivery to multiple devices without requiring external injectors. Layer 4 management provides granular control over traffic flow, which is critical for environments with mixed application demands or shared infrastructure.
High-Speed Uplinks
Four SFP+ slots support 10 Gigabit Ethernet connections, ensuring backbone and server links are not a bottleneck for the 24 downstream Gigabit ports.
- 10x faster than standard Ethernet
- Supports optical fiber for long-distance runs
Simplified Management
The Instant On management interface offers intuitive setup and monitoring, reducing deployment time and ongoing administrative overhead for IT teams.
- Traffic classifiers for QoS
- Bandwidth limiting per port
Rack-Ready Design
The 1U form factor fits standard 19-inch racks, with dimensions optimized for depth and cable management in crowded data environments.
- 1.73" height maximizes space efficiency
- Front-to-back airflow for cooling
Deployment / Use Cases
This switch is ideal for workgroups, small office networks, and edge deployments where a mix of wired devices and PoE-powered equipment is common. Its Layer 4 capabilities make it suitable for multi-tenant scenarios, such as office buildings or retail spaces, where bandwidth allocation and traffic prioritization between different business units are necessary.
The high PoE budget supports deployments dense with wireless access points, IP phones, and security systems, eliminating the need for additional power sources. The SFP+ uplinks provide future-proof connectivity to aggregation switches or servers, ensuring the network backbone can handle increased data loads as the organization grows.
Office Network Core
Serve as the central switch for an office floor, connecting desktops, printers, and VoIP phones while powering Wi-Fi access points throughout the space.
Retail or Hospitality Backbone
Support point-of-sale systems, digital signage, and surveillance cameras with reliable PoE and managed traffic controls for guest and operational networks.
Physical Profile
The switch is designed for standard rack installation with a 1U height (1.73" / 43.94 mm), making it easy to integrate into existing server cabinets or networking closets. Its dimensions—17.42" (442.47 mm) wide and 10.42" (264.67 mm) deep—provide a compact footprint while accommodating all ports and cooling components. Weighing approximately 8.10 lb (3674.10 g), it is lightweight enough for easy handling during installation but robust enough for stable rack mounting.
- Width
- 17.42" (442.47 mm)
- Depth
- 10.42" (264.67 mm)
- Height
- 1.73" (43.94 mm)
- Weight
- 8.10 lb (3674.10 g)
Highlights
- 24 Gigabit Ethernet PoE+ ports for connecting wired devices and powering PoE equipment
- Four SFP+ uplink slots supporting 10 Gigabit Ethernet for high-speed backbone connections
- 370W total PoE budget to simultaneously power multiple devices like access points and phones
- Layer 4 management with traffic classifiers and bandwidth limiting for optimized network performance
- 1U rack-mountable form factor for efficient use of space in standard server cabinets
- Supports both twisted pair and optical fiber media for flexible connectivity options
- Built-in power supply ensures stable voltage delivery to all switch components
- Ideal for multi-tenant or multi-business unit environments requiring segmented traffic control
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | JL684AR#ABA |
| Brand Name | HPE |
| Product Line | Instant On |
| Product Series | 1930 |
| Product Name | Instant On 1930 24G Class4 PoE 4SFP/SFP+ 370W Switch |
| Product Condition | Refurbished |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Total Number of Network Ports | 24 |
| Uplink Port | Yes |
| Modular | Yes |
| Port/Expansion Slot Details | 24 x Gigabit Ethernet PoE+,4 x 10 Gigabit Ethernet Expansion Slot |
| Media & Performance | |
| Media Type Supported | Optical Fiber,Twisted Pair |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet |
| Network Technology | 10/100/1000Base-T,10GBase-X |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Expansion Slot Type | SFP+ |
| Number of SFP+ Slots | 4 |
| Network & Communication | |
| Layer Supported | 4 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| PoE (RJ-45) Port | Yes |
| PoE Budget | 370 W |
| Power Source | Power Supply,PoE+ |
| Power Consumption | 439 W |
| Physical Characteristics | |
| Compatible Rack Unit | 1U |
| Form Factor | Rack-mountable |
| Height | 1.73" (43.94 mm) |
| Width | 17.42" (442.47 mm) |
| Depth | 10.42" (264.67 mm) |
| Weight (Approximate) | 8.10 lb (3674.10 g) |
FAQ
How many PoE devices can this switch power simultaneously?
The switch has a total PoE budget of 370W, which allows it to power multiple PoE+ devices concurrently. The exact number depends on the power requirements of each connected device, but it can typically support a mix of devices such as VoIP phones (up to 15W each), wireless access points (up to 30W each), and security cameras. The built-in power management ensures stable delivery across all 24 PoE+ ports.
What are the benefits of the SFP+ uplink ports?
The four SFP+ uplink ports support 10 Gigabit Ethernet, providing up to 10 times the speed of standard Gigabit connections. This allows for high-performance links to core switches, servers, or storage arrays, preventing bottlenecks in the network backbone. SFP+ slots also support optical fiber transceivers, enabling longer-distance connections (up to kilometers) compared to copper cables, which is useful for connecting separate buildings or floors.
What does Layer 4 management offer?
Layer 4 management refers to the switch's ability to inspect and control traffic based on transport layer protocols (like TCP/UDP) and port numbers. This enables advanced features such as traffic classification for quality of service (QoS), bandwidth limiting per port or application, and load balancing. These capabilities are essential for optimizing network performance, prioritizing critical applications (e.g., VoIP or video conferencing), and enforcing policies in multi-tenant environments.
Is this switch suitable for rack mounting?
Yes, the switch is designed for rack mounting with a 1U form factor, meaning it occupies one unit of vertical space in a standard 19-inch server rack. Its dimensions—1.73" height, 17.42" width, and 10.42" depth—make it compact and easy to install in most network cabinets. The rack-mountable design helps organize cables and secure the switch for professional, tidy installations in data centers or wiring closets.
What types of cables are supported?
The switch supports both twisted pair copper cables (for Gigabit Ethernet over distances up to 100 meters) and optical fiber cables (for 10 Gigabit Ethernet over longer distances). The 24 downlink ports use RJ-45 connectors for copper, while the four SFP+ uplink slots accept fiber transceivers. This flexibility allows you to choose the best media for your environment, whether for short-range office connections or long-distance links between buildings.
How does the PoE budget affect network planning?
The 370W PoE budget determines how much power is available for all connected PoE devices. When planning your network, you should calculate the total power draw of devices like access points, phones, and cameras to ensure it does not exceed 370W. The switch manages power allocation automatically, but exceeding the budget may cause some devices to not receive power. This budget is sufficient for typical small to medium deployments, reducing the need for external power injectors.
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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