Aruba J9781A#ABA

Overview

The Aruba J9781A#ABA is a 48-port managed Ethernet switch designed to provide full Layer 2 management capabilities while fitting efficiently into small office, classroom, or edge network environments. It features forty-eight 10/100 Mbps autosensing ports for connecting a variety of devices such as desktop computers, printers, access points, and IoT devices. With an 800 MHz ARM processor, 256 MB of RAM, and 128 MB of flash memory, this switch delivers a forwarding capacity of up to 17.6 Gbps and can handle 13 million packets per second, ensuring smooth and reliable network performance.

Key features

• Forty-eight autosensing 10/100 Ethernet ports that support a wide range of user devices and peripherals
• Two dedicated Gigabit RJ-45 uplink ports for high-speed copper connections to the network core
• Two SFP slots that accept fiber transceivers, enabling long-distance links between network closets or buildings
• Comprehensive Layer 2 management including VLANs for network segmentation, ACLs for access control, QoS for prioritizing voice and video traffic, and sFlow for detailed traffic monitoring
• Energy Efficient Ethernet technology that reduces power consumption during periods of low network activity
• Flexible installation options allowing rack mounting, wall attachment, or desktop placement to suit various physical setups
• Familiar ArubaOS interface and command-line management tools that simplify configuration and ongoing administration

Key specs

• Ports: 48 autosensing 10/100 Ethernet ports
• Uplink ports: 2 Gigabit RJ-45 and 2 SFP slots
• Processor: 800 MHz ARM
• Memory: 256 MB RAM, 128 MB flash
• Forwarding capacity: 17.6 Gbps
• Throughput: up to 13 million packets per second
• MAC address table size: 16,000 entries
• Installation: 19-inch rack mountable, wall mountable, or desktop placement

Connectivity and compatibility

This switch supports a broad range of network devices through its 48 autosensing 10/100 ports, making it suitable for connecting computers, printers, wireless access points, and IoT devices. The two Gigabit RJ-45 uplink ports provide fast copper connections to the core network, while the two SFP slots allow fiber optic transceivers for longer distance links, ideal for campus or multi-building environments. Its Layer 2 features ensure compatibility with standard network segmentation and traffic management protocols.

Performance and reliability

Powered by an 800 MHz ARM processor and equipped with ample memory, the switch handles typical edge network traffic efficiently. Its forwarding capacity and packet throughput support smooth data flow even in busy environments. Energy Efficient Ethernet reduces power use during quiet periods, helping to lower operational costs. The device’s MAC address table supports up to 16,000 entries, accommodating a large number of connected devices without performance degradation.

Installation and setup

The Aruba J9781A#ABA offers versatile installation options to fit different physical spaces. It can be mounted in a standard 19-inch rack, attached to a wall, or placed on a desktop or shelf. The ArubaOS interface and command-line tools provide straightforward management for network administrators familiar with managed switches, making setup and ongoing configuration accessible and efficient.

Ideal uses and environments

This switch is well suited to small offices, classroom labs, and the network edge of larger campus environments where a mix of device types requires reliable connectivity and management. Its combination of 10/100 ports and uplink flexibility supports diverse network topologies, while its Layer 2 features help maintain secure and organized traffic flow. It is a strong choice for organizations needing a cost-effective, manageable switch that can grow with their network demands.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

Learn more

Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

Learn more