JL818A - Aruba 4100i 24-port 1GbE (20-port Class 4 POE and 4-port Class 6 POE) 4-port SFP+ Switch

HPE Aruba JL818A — Aruba 4100i 24-Port 1GbE PoE Switch (20× Class 4 PoE + 4× Class 6 PoE) with 4-Port SFP+

What it is

JL818A is an HPE Aruba 4100i Series enterprise access switch.
It offers 24 × 1 GbE downlink ports with integrated PoE (Power over Ethernet) — 20 ports at Class 4 power and 4 ports at Class 6 power — along with 4 × SFP+ uplink ports for high-speed fiber connectivity.
Designed for modern edge deployments, it provides a balanced mix of Gigabit access, robust PoE power, and flexible uplinks.

Why buyers pick JL818A (plain English)

PoE that powers devices
PoE support on all access ports delivers power for IP phones, wireless APs, cameras, and other PoE devices — with higher Class 6 budgets on key ports for more demanding devices.

Gigabit access everywhere
24 full Gigabit Ethernet ports ensure predictable performance for desktops, VoIP phones, and networked appliances.

High-speed uplinks
Four SFP+ ports support 10 GbE uplinks, enabling fast connections to distribution or core layers.

Enterprise reliability
Built for 24×7 operation with Aruba’s proven hardware and software stack for campus, branch, and edge networks.

Easy to manage
Supports Aruba’s management tools — CLI, web UI, and Aruba Central — for straightforward deployment and ongoing operation.

60-second spec box (JL818A)

Switch type
Enterprise edge access switch

Downlink ports
24 × 10/100/1000BASE-T (RJ-45)

PoE support
20 × Class 4 + 4 × Class 6 (total PoE budget dependent on platform)

Uplink ports
4 × 10 GbE SFP+

Stacking / management
Virtual stacking supported; managed via Aruba tools

Form factor
1U rack-mountable

Use case
PoE access with high-speed uplinks for campus, branch, or edge networks

Where it fits (and when to choose something else)

Perfect for:

• Access layer connectivity with PoE devices (VoIP, APs, cameras)

• Environments needing flexible 10 GbE uplinks

• Campus and branch edge deployments

• Teams standardizing on Aruba switching and management

Choose something else if:

• You need extremely high PoE budgets → Aruba 6200/6300 Series

• You need multigigabit downlinks → Aruba 6200Y Series

• You need higher port density → 48-port Aruba models

TL;DR

JL818A is Aruba’s 4100i Series 24-port Gigabit PoE switch with 4 × 10 GbE SFP+ uplinks:
a reliable, flexible enterprise access switch designed to power and connect PoE devices while supporting high-speed uplinks in modern networks.