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J9311A
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HP 3500-48G-PoE+ yl Switch
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J9311A
- Description:
- HP 3500-48G-PoE+ yl Switch
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J9311A Overview
J9311A is a high-performance, stackable Layer 2 switch designed with a robust architecture that supports both AC and redundant power supply options. It features a versatile array of Ethernet ports, including a mix of 10/100/1000 interfaces and SFP uplink ports, ensuring seamless connectivity and adaptability to network environments with varying bandwidth demands.
J9311A offers scalable stacking capabilities that allow for enhanced performance and simplified management in enterprise and branch network deployments. With its optimized switching capacity, integrated POE+ support, and reliable hardware design, this switch is ideally suited for critical applications that demand consistent uptime, efficient traffic management, and future-ready expansion opportunities.
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J9311A Specifications
- Product Type
- Switch
- Form Factor
- Rack-mount
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Flash Memory
- 64 MB
- Power Source
- Redundant Power Supply / AC Power Supply
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- IOS
- LAN Lite
- Width
- 17.5 inches
- Switching Capacity
- 128 Gbps
- Height
- 1.75 inches
- POE Support
- POE+
- Uplink Configuration
- 10G
- Layer Supported
- Layer 2
- Switching Capacity with Stacking
- 256 Gbps
- Depth
- 11 inches
- Weight
- 11 lbs
- Power Consumption
- 50 W
- Port/Expansion Slot Details
- 24 x 10/100/1000 Ethernet, 4 x 1G SFP
- Manufacturer Part Number
- J9311A
- Product Name
- J9311A Enterprise Stackable Switch
J9311A Use Case
Enterprise Campus Backbone with High-Power PoE+ Aggregation
In large enterprise campuses, the J9311A-HP 3500-48G-PoE+ yl Switch serves as a core aggregation node, offering 48 Gigabit PoE+ ports (30 W per port, 740 W total budget) and modular 10 GbE uplinks. Its stackable design and advanced Layer 3 routing streamline expansion across multi–floor buildings while powering IP phones, Wi-Fi 6 access points, and security sensors from a single chassis. Outcome: reduced hardware footprint and CAPEX, simplified cabling, and uninterrupted high-availability connectivity.
Centralized IP Surveillance for Campus Security
Deploy the J9311A-HP 3500-48G-PoE+ yl Switch at network edges to power and manage up to 48 high-definition PoE+ cameras, with built-in PD signature verification and scheduling for safe delivery. Its QoS, ACLs, and IGMP snooping guarantee low-latency, high-bandwidth video streams for real-time monitoring and recording. Outcome: scalable, cost-effective surveillance infrastructure with consolidated power/data cabling and enhanced situational awareness.
Converged VoIP and Wi-Fi 6 Deployment in Hospitality
Leverage all 48 PoE+ ports of the J9311A-HP 3500-48G-PoE+ yl Switch to simultaneously power and provision IP phones and Wi-Fi 6 access points using LLDP-MED and per-port PoE scheduling. Advanced QoS and VLAN segmentation isolate voice, guest, and back-office traffic for premium call clarity and secure wireless coverage in hotels, resorts, or campuses. Outcome: elevated guest experience with seamless connectivity, simplified management, and a future-proof, scalable network.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| J9311A |  J9310A | |
|---|---|---|
| Depth | 11 inches | 16.5 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.73 inches |
| IOS | LAN Lite | LAN Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed |
| Manufacturer Part Number | J9311A | J9310A |
| Media Type Supported | Combo | Combo |
| Memory | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ |
| Port/Expansion Slot Details | 24 x 10/100/1000 Ethernet, 4 x 1G SFP | N/A |
| Power Consumption | 50 W | 55 W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | J9311A Enterprise Stackable Switch | J9310A Network Switch |
| Product Type | Switch | Switch |
| Rack Units | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 1G |
| Weight | 11 lbs | 12 lbs |
| Width | 17.5 inches | 17.5 inches |
Reviews & Ratings
S
Sheryar Khan
4
Good uptime and reliability.
L
Lars Mikkelsen
5
Stable under heavy traffic.
S
Saif Rehman
5
Suitable for large offices.
W
William Hayes
4
Met business needs.
Questions & Answers
What is the HP 3500-48G-PoE+ yl Switch J9311A?
The HP 3500-48G-PoE+ yl Switch (SKU J9311A) is a managed Layer 3 access switch offering 48 Gigabit Ethernet ports with IEEE 802.3at PoE+ support for enterprise networks.
What are the key features of the HP 3500-48G-PoE+ switch?
Key features include 48 10/100/1000 RJ-45 ports, two SFP uplinks, 370 W PoE+ budget, Layer 3 routing, IRF stacking, IPv6 support, QoS, and energy-efficient design.
Which PoE standard does the HP 3500-48G-PoE+ support?
The switch supports IEEE 802.3at PoE+, delivering up to 30 W per port to power IP phones, wireless access points, and cameras.
How many ports and uplinks are available on the HP 3500-48G-PoE+ switch?
It provides 48 10/100/1000 RJ-45 PoE+ ports and two Gigabit SFP uplink slots for fiber connectivity.
What is the total PoE+ power budget of the HP 3500-48G-PoE+?
The HP 3500-48G-PoE+ delivers a total PoE+ power budget of 370 W across all 48 ports.
What are the switching capacity and forwarding rate of the HP 3500-48G-PoE+?
It offers a switching capacity of 176 Gbps and a maximum forwarding rate of 131 Mpps for high-throughput environments.
Which management options are available for the HP 3500-48G-PoE+ switch?
Management options include an intuitive web GUI, full-featured CLI, SNMP v1/2c/3, RMON, and HP Intelligent Management Center (IMC) integration.
Does the HP 3500-48G-PoE+ support VLANs and QoS?
Yes. It supports up to 4,094 VLANs, per-port QoS with eight hardware queues, DiffServ, and traffic prioritization for real-time applications.
What stacking capabilities does the HP 3500-48G-PoE+ offer?
The switch supports IRF stacking of up to four units, enabling unified management, single IP address configuration, and increased redundancy.
What warranty and support options are available for the HP 3500-48G-PoE+?
HP provides a Lifetime Limited Warranty with next-business-day replacement and optional 24x7 support services for advance hardware replacement.
What is the power consumption of the HP 3500-48G-PoE+ switch?
Typical power consumption is 250 W (no PoE), rising to a maximum of 650 W when fully loaded with PoE+ devices.
What are the operating environment specifications for the HP 3500-48G-PoE+?
Operating temperature ranges from 0 °C to 45 °C, humidity from 10% to 90% non-condensing, and altitude up to 3,000 m.
What are common use cases for the HP 3500-48G-PoE+ switch?
Ideal for mid-size campus access, IP telephony, wireless LAN backhaul, video surveillance, and converged Gigabit Ethernet deployments.
How do I configure PoE settings on the HP 3500-48G-PoE+ switch?
Use the web GUI or CLI to navigate to the interface configuration, enable PoE per port, set priority levels, and define power schedules.
What security features are included in the HP 3500-48G-PoE+?
Security features include 802.1X port authentication, ACLs, DHCP snooping, IP source guard, ARP inspection, and storm control.
What is the reliability of the HP 3500-48G-PoE+ switch?
The switch delivers an MTBF of over 150,000 hours, redundant hot-swappable fans, and field-replaceable power modules for high availability.