Aruba CX 6300M (JL661A) — 48× 1G PoE+ access with 4× SFP56 uplinks (1/10/25/50G)

What it is: A Layer-3, stackable access switch with 48 × 10/100/1000 RJ-45 PoE+ ports and 4 × SFP56 uplinks (supporting 1/10/25/50G), running AOS-CX with hot-swap dual PSU bays and a hot-swap fan tray. Great for dense PoE floors that still want higher-speed uplinks and VSF stacking.

Why buyers pick JL661A (plain English)

• High-density PoE+ for APs, phones, cameras—48 ports on one box.

• Uplinks with headroom: 4× SFP56 for 1/10/25/50G to agg/core or stack.

• Service without downtime: hot-swappable PSUs (1+1) and fan tray.

• Unified ops: AOS-CX, Network Analytics Engine, Central/CLI/web—same workflows as the rest of CX 6300.

60-second spec box (JL661A)

Access ports

• 48 × 10/100/1000 RJ-45 with IEEE 802.3at Class 4 PoE+.

Uplinks (built-in)

• 4 × SFP56 cages supporting SFP/SFP+/SFP28/SFP56 (1/10/25/50G). Also used for front-plane VSF stacking.

Power / cooling

• Dual hot-swap PSU bays (order 1–2): 680W (JL086A), 1050W (JL087A / JL758A), 1600W (JL670A)—mix OK.

• Hot-swap fan tray (JL669B) included.

PoE budget

• Depends on PSU choice; chassis supports large PoE+ budgets when populated with higher-wattage PSUs (design for today’s AP densities).

Stacking / HA

• VSF stacking (front-plane over uplinks) for single-IP management and redundancy.

Form factor

• 1U rack-mount switch (enterprise, managed L3).

What to order with it (common BOM adds)

• PSUs: start with 1× 680W (non-redundant) or 2× 1050W for higher PoE + redundancy.

• Optics: choose SFP+/SFP28/SFP56 per link speed and distance (e.g., 10G-SR/LR, 25G-SR/LR, 50G DAC/AOC).

• Spare fan tray: optional for mission-critical closets (JL669B).

Where it fits (and when to step up/down)

• Perfect for: campus/branch access layers with lots of PoE endpoints and uplinks >10G (25/50G ready).

• Step down to 6200M if 10G SFP+ uplinks are enough and you don’t need 25/50G.

• Step up to 6400/83xx/93xx families if you need modular chassis or core/leaf features beyond access.

TL;DR

JL661A = 48× 1G PoE+ edge with 4× SFP56 (1/10/25/50G), hot-swap PSUs/fan, and AOS-CX + VSF—a dense, resilient access switch that gives you PoE today and uplink headroom for tomorrow.