Aruba CX 4100i Switch Series

This ruggedized Ethernet access switch series is ready to extend your enterprise network to challenging, harsh spaces.

Ruggedized access switches

The CX 4100i is ideal for connecting IoT, access points, and user devices in challenging environments.

Ready for industrial spaces

Ready for industrial spaces

Connectivity in harsh environments brings operational challenges. Fully manageable and versatile DIN Rail and 24 port 1U Ethernet models are ready for NEMA enclosures, warehouses, and outdoor facilities with support for extended temperature ranges from -40°C to 70°C.  

Always on performance

Always on performance

Bring enterprise-class switching to non-carpeted spaces with the ruggedized CX 4100i series that provides built-in high-speed 10GbE uplinks and a combination of always on 30W and 60W PoE for demanding, power-hungry IoT devices.

Automated security for IoT and users

Automated security for IoT and users

Combine policy management with real time automation to make segmentation and enforcement decisions in any location, consistent for IT, users and IoT.

Simple to manage and deploy

Simple to manage and deploy

Based on a single switch OS from access to data center for a consistent operator experience, the CX 4100i can be quickly deployed and managed with choice of easy-to use Web GUI, CLI, Aruba NetEdit, or Aruba Central for single pane of glass management across your enterprise network, whether it’s in the office or in the warehouse.

A ruggedized Ethernet solution that’s simple, secure, and fast

These ruggedized access switches provide the performance, security, and simplicity you need, making them ideal for parking lots, warehouses, and industrial spaces.

Enterprise-class Ethernet Layer 2 connectivity

This high-performance Layer 2 switch with support for ACLs, robust QoS, static routing, and IPv6 is ready to power devices across your facilities.

Robust protection

Robust protection for sub-station applications and high tolerances for constant vibrations, shocks, and electronic immunity of railway applications.

Compact and powerful

Versatile deployment with compact 12 port DIN rail mount and 24 port 1U rack mount models, both with built-in high speed 1/10GbE uplinks.

High Power PoE

Combination of both Class 6 PoE (60W) and Class 4 PoE (30W) provides flexibility to power variety of IoT, access points, and user devices.

Extended temperatures

Bring wired network beyond the carpeted spaces with operational temperatures from -40°C to 70°C.

Management flexibility

The fully programmable CX 4100i series supports a choice of management, including Aruba Central (available soon), CLI, switch Web GUI, Aruba NetEdit, and programmability with AOS-CX operating system and REST APIs.

Details and specifications for the Aruba CX 4100i Switch Series


  • System Switching Capacity: Up to 128 Gbps
  • System Throughput Capacity: Up to 95 Mpps
  • Aruba CX 4100i 12-port 1GbE (8-port Class 4 POE and 4-port Class 6 POE) 2-port SFP+ DIN Mount Switch
    • 4x ports 100M/1G BaseT Class 6 PoE ports supporting up to 60W per port
    • 8x ports 100M/1G BaseT Class 4 PoE ports supporting up to 30W per port
    • 2x 1/10G SFP ports
    • Field replaceable Industrial DIN Rail Power Supplies (JL819A, JL820A and JL821A)
    • Fanless
    • Up to 360W of PoE power, based on PSU and environmental temperature
    • Dimensions: (H) 160 mm x (W) 113 mm x (D) 162.9 mm (173.5 mm w/DIN Rail Bracket)(6.3" x 4.4" x 6.4" (6.8" w/DIN Rail Bracket))
    • Weight: 3.84 kg (8.46 lbs)
  • Aruba CX 4100i 24-port 1GbE (20-port Class 4 POE and 4-port Class 6 POE) 4-port SFP+ Switch
    • 4x ports 100M/1G BaseT Class 6 PoE ports supporting up to 60W per port
    • 20x ports 100M/1G BaseT Class 4 PoE ports supporting up to 30W per port
    • 4x 1/10G SFP ports
    • Internal (fixed) power supply (300W)
    • Fanless
    • 240W of PoE power (no de-rating)
    • Dimensions: (H) 44 mm x (W) 444.5 mm x (D) 304 mm (1.73" x 17.5" x 12.0")
    • Weight: 6.50 kg (14.33 lbs)
External power supplies (for 12 port DIN Rail model)
  • Aruba CX 4000i POE 54VDC 240W 100-240VAC DIN Power Supply (JL819A) – AC PSU for up to 180W PoE
  • Aruba CX 4000i POE 54VDC 480W 100-240VAC DIN Power Supply (JL820A) – AC PSU for up to 360W PoE
  • Aruba CX 4000i POE 54VDC 240W 12-48VDC DIN Power Supply (JL821A) – DC PSU for up to 180W PoE

Note: See external power supply specifications table in data sheet for details.)

Industrial transceivers*
  • Aruba 1G I-Tmp SFP LC SX 500m MMF XCVR (JL780A)
  • Aruba 1G I-Tmp SFP LC LX 10km SMF XCVR (JL781A)
  • Aruba 10G I-Tmp SFP+ LC SR 300m MMF XCVR (JL782A)
  • Aruba 10G I-Tmp SFP+ LC LR 10km SMF XCVR (JL783A)

* Required for -40°C to 70°C extended temperature range.

Management ports
  • 1x USB-C Console Port
  • 1x RJ Console
  • 1x USB Type-A Host port
  • 1x Alarm socket
  • DIN rail model supports DIN rail mounting with included bracket
  • Optional accessory: DIN Rail bracket for EIA-standard 19" telco rack or equipment cabinet - Aruba DIN Rail 3RU 19inch Rack Mount Kit (JL822A), purchase separately
  • Optional accessory: Aruba X414 1U Universal 4-post RM Kit (J9583B), purchase separately
  • JL817A: Up to 360W PoE using external PSU (temperature and PSU dependent).  4 ports of Class 6, 8 ports of Class 4
  • JL818A: 240W of PoE power (no de-rating). 4 ports of Class 6, 20 ports of Class 4.
  • 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)
  • Operating Relative Humidity: 5% to 95%, noncondensing
  • Non-Operating Storage Relative Humidity: 5% to 95%, noncondensing
  • Max Operating Altitude: up to 13,800 feet (4.2 km)
  • Max Non-operating Altitude: 15,000 feet (4.6 km) max
Electrical characteristics
  • Frequency Range (JL818A): 50-60 Hz
  • AC Voltage (JL818A): 100-240 volts
  • Maximum Current Range (JL818A): 3.9A – 1.9A (240W PoE)
  • JL817A: based on external PSU (refer to External Power Supply table on product data sheet)
  • Europe

    • EN 60950-1:2006 + A11:2009 + A1:2010 +
    • A12:2011 + A2:2013
    • EN 62368-1, Ed.2:2014
  • North America
    • UL 62368-1, 2nd Edition
    • CAN/CSA C22.2 No. 62368-1-14
  • Worldwide
    • IEC 60950-1:2005 Ed.2 + Am 1:2009 + A2:2013
    • IEC 62368-1:2014
    • EN/IEC 60825-1:2014 Class 1
    • UL/IEC 61010-2-201
    • GB 4943.1:2011
    • CNS 14336-1
    • K 60950-1
Gartner logo on orange background

Aruba is a Leader in the 2021 Gartner® Magic Quadrant for the Wired and Wireless LAN Access Infrastructure

We’re honored to have been named a Leader 16x in a row. Gartner has also scored Aruba #1 in most use cases (3 of 5) in their 2021 Critical Capabilities report.

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Support and Services

Our around-the-clock service will keep your network operating smoothly. Simplifying the entire network technology lifecycle, Aruba Service enables a cost-effective network that is able to scale globally.

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