[shortdesc]

• Managed, Rack-mountable, 24 x 1G ports, Fixed Uplinks (4 x SFP+), PoE+ (240W), Layer 2

[/shortdesc]

[properties]

Product Name	JL818A
Description	HPE Aruba Networking 4100i, a 24-port Gigabit Ethernet switch with Class 4 and Class 6 PoE support, and 4 SFP+ ports for high-performance enterprise networking.
Switch Type	Managed Layer 2+ industrial access switch
Total Ports	20 x 100M/1G Base-T Class 4 PoE, 4 x 100M/1G Base-T Class 6 PoE, 4 x 1G/10G SFP
PoE Budget	240W (no de-rating)
Uplink Ports	4 x 1G/10G SFP
Management	Cloud-based and local management through Aruba Central and Web GUI
Operating Temperature	-40°C to 60°C, 0m/s (-40°F to 140°F, 0 LFM) -40°C to 70°C, 0.2m/s (-40°F to 158°F, 40 LFM) -34°C to 75°C, 1m/s (-29.2°F to 167°F, 200 LFM)
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Humidity	5% to 95% non-condensing
Dimensions	H:44 mm x W:444.5 mm x D:304.4 mm (H:1.73” x W:17.5” x D:12.0”)
Weight	6.47 kg (14.26 lbs)
Power Supply	Fixed internal power supply (300W)
Cooling	Internal fans with automatic speed adjustment
Usage	Optimized for enterprise, healthcare, and industrial environments
Durability	Tested to IP30 rating for dust resistance, suitable for industrial and harsh environments

[/properties]

[specifications]

Switching Capacity	Up to 128 Gbps
Forwarding Rate	Up to 95 Mpps
Latency	1 Gbps: 1.585 μSec , 10 Gbps: 1.243 μSec Average Latency (LIFO-64-bytes packets)
Certifications	CE, FCC, UL, RoHS, EN 60950-1 compliant
Environmental Safety	RoHS 3 compliant (Directive 2015/863/EU), low-halogen materials
EMC Compliance	Meets EN 55032, EN 55024, CISPR 32, and FCC Part 15 Class A standards
MTBF	1,200,000 hours at 25°C
Power Efficiency	80 PLUS Gold certification for internal power supply
Vibration Resistance	Tested to operate under 1.0 Grms (5-500 Hz) according to IEC 60068-2-6
Shock Resistance	Tested to withstand 30 G for 11 ms under IEC 60068-2-27
Redundancy	No stacking; fixed internal PSU (no PSU redundancy)
Power Consumption	Idle: 23W 100% Traffic Rate: 34W 100% Traffic Rate (w/ heater): 62W
Firmware Updates	Supports automatic and manual updates via Aruba Central
Network Security	802.1X, MAC authentication, and VLAN-based security
Deployment	Designed for high-density installations with extended PoE capabilities
Reliability	Tested for continuous operation under industrial temperature and dust conditions
Advanced Features	Supports QoS, VLAN, Layer 3 routing, and dynamic segmentation

[/specifications]

HPE Aruba Networking 4100i 24p 1GbE 20p Class4 PoE and 4p Class6 PoE 4p SFP+ Switch (JL818A)

The HPE Aruba Networking 4100i 24-port Switch (JL818A) is built to meet the networking needs of industrial environments. This rugged switch supports 20 Class 4 PoE ports and 4 Class 6 PoE ports, providing the power necessary for a wide range of IoT devices and industrial equipment. Additionally, it includes 4 SFP+ uplink ports for high-speed 1/10GbE connectivity. Its fanless design, along with support for extreme temperatures and rugged conditions, makes it ideal for outdoor deployments, smart cities, and industrial automation.

Key Features:

• 20 x 1GbE Class 4 PoE Ports: Provides up to 30W per port, powering a variety of PoE-enabled devices such as access points and IP phones.
• 4 x 1GbE Class 6 PoE Ports: Delivers up to 60W per port, ideal for powering high-demand devices like PTZ cameras and digital signage.
• 4 x SFP+ Uplink Ports: Supports high-speed 1/10GbE fiber uplinks for enhanced network scalability.
• Ruggedized Design: Designed for industrial environments, this switch can operate in extreme temperatures ranging from -40°C to +70°C.
• High Availability: Provides always-on PoE, ensuring devices remain powered even during scheduled reboots and firmware upgrades.

Technical Overview:

• Recommended for: Industrial IoT environments, smart cities, and outdoor networks.
• Ports: 20 x 1GbE Class 4 PoE, 4 x 1GbE Class 6 PoE, 4 x SFP+ uplinks.
• Switching Capacity: 128 Gbps.
• Forwarding Rate: 95 Mpps.
• PoE Power Budget: Supports up to 360W of PoE power.
• Management: Managed via Aruba Central, Web GUI, CLI, and REST APIs.
• Energy Efficiency: Compliant with IEEE 802.3az standards for energy-efficient operation.

You can check the related tab for the JL818A datasheet.