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Aruba 4100i 12-port 1GbE 2-port SFP+ Mount Switch - JL818A

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Aruba JL818A

Aruba 4100i 12-port 1GbE (8-port Class 4 POE and 4-port Class 6 POE) 2-port SFP+ DIN Mount Switch – JL818A

About this product:

The Aruba CX 4100i Switch Series offers ruggedized Ethernet switches designed to connect IoT, access points, and user devices in challenging environments, providing high performance and reliable access. Operating on the programmable AOS-CX system, these switches ensure efficient operations, with extended temperature resilience and compliance with industry standards for sub-station and railway applications. Featuring convenient high-speed uplinks, PoE support, and passive cooling options, they deliver enhanced access security, traffic prioritization, and IPv6 compatibility without requiring switch software licensing. As part of Aruba’s Edge Services Platform (ESP), these switches enable unified network management with automation, analytics, high availability, and secure segmentation, ensuring consistent policies across wired and wireless networks for streamlined IT management and enhanced security.

What’s in the box?

  • Aruba 4100i 12-port 1GbE 2-port SFP+ DIN Mount Switch – JL818A
  • User Manual
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Description

Features of Aruba 4100i 12-port 1GbE 2-port SFP+ DIN Mount Switch – JL818A :

  • IP30 Ethernet connectivity with high-speed uplinks and 30W/60W PoE support
  • Consistent operator experience with Aruba AOS-CX operating system
  • Versatile deployment options: fanless 12 port DIN rail mount and 24 port 1U rack mount models
  • Built-in 1/10GbE uplinks and up to 360W Class 4 and Class 6 PoE
  • Layer 2 capabilities with support for static routing, ACLs, QoS, traffic prioritization, and IPv6
  • No switch software licensing or subscriptions required
  • Aruba ASICs for low latency, increased packet buffering, and adaptive power consumption
  • Support for up to 360W IEEE 802.3at Class 4 and IEEE 802.3.bt Class 6 Power over Ethernet
  • Wire-speed 1/10GbE uplinks to remove access layer bottlenecks
  • Operational in extended temperatures (-40°C to 70°C) with Aruba’s industrial transceivers
  • Flexible configuration and management options with Aruba NetEdit, built-in web GUI, or industry standard CLI
  • Automation with Aruba NetEdit for rapid network-wide changes and policy conformance verification
  • Software-defined readiness with REST APIs for fine-grained programmability
  • Support for Aruba Dynamic Segmentation for automatic policy enforcement across wired and wireless infrastructures
  • Automated device profiling, role-based access control, and Layer 7 firewall features for enhanced visibility and performance
  • Reduces time-consuming and error-prone tasks of adds, moves, and changes.

Specification

CX4100i Series Specifications
Aruba 4100i 12-port 1GbE (8-port Class 4 POE and 4-port Class 6 POE) 2-port SFP+ DIN Mount Switch (JL817A) Aruba 4100i 24-port 1GbE (20-port Class 4 POE and 4-port Class 6 POE) 4-port SFP+ Switch (JL818A)
Description 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 port2x 1/10G SFP ports

Supports PoE Standards IEEE 802.3af, 802.3at and 802.3bt (up to 60W)

1x USB-C Console Port
1x RJ Console
1x USB Type A Host port
1x Alarm socket
2x DC power socket

 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 port4x 1/10G SFP ports

Supports PoE Standards IEEE 802.3af, 802.3at and 802.3bt (up to 60W)

1x USB-C Console Port
1x RJ Console
1x USB Type A Host port
1x Alarm socket
Power supplies Field replaceable Industrial DIN Rail Power Supplies

Supported PSUs: JL819A, JL820A and JL821A Supported 2 PSU with redundancy, non sharing

See external PSU specification table for available PoE power

 Fixed internal power supply (300W)

240W of PoE Power (no de-rating)
Fans Fanless Fanless
Physical characteristics
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)]		 (H) 44 mm x
(W) 444.5 mm x
(D) 304.4 mm
1.73″ x 17.5″ x 12.0″
Configuration Weight 3.84 kg (8.46 lbs) 6.50 kg (14.33 lbs)
Additional Specifications
CPU Dual Core ARM Cortex A9 @ 1016 Mhz Dual Core ARM Cortex A9 @ 1016 Mhz
Memory and Flash 4 GB DDR3
32 GB eMMC		 4 GB DDR3
32 GB eMMC
Packet Buffer 12.38MB (4.5MB Ingress/7.875MB Egress) 12.38MB (4.5MB Ingress/7.875MB Egress)
Performance
Model Switching Capacity up to 64 Gbps up to 128 Gbps
Model Throughput Capacity up to 46 Mpps up to 95 Mpps
Average Latency (LIFO-64-bytes packets) 1 Gbps: 2.390 μSec , 10 Gbps: 2.038 μSec 1 Gbps: 1.585 μSec , 10 Gbps: 1.243 μSec
Switched Virtual Interfaces (dual stack) 16 16
IPv4 Host Table (ARP) 756 756
IPv6 Host Table (ND) 576 576
IPv4 Unicast Routes 576 576
IPv6 Unicast Routes 576 576
MAC Table Capacity 8,192 8,192
IGMP Groups 512 512
MLD Groups 512 512
IPv4/IPv6/MAC ACL Entries (ingress) 256 / 128 / 256 256 / 128 / 256
Environment
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)		 -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)
Non-Operating Storage relative humidity 5% to 95%, non-condensing 5% to 95%, non-condensing
Max Operating Altitude up to 4.2 km (13800 ft) Max up to 4.2 km (13800 ft) Max
Max Non-Operating Altitude 4.6 km (15000 ft) Max 4.6 km (15000 ft) Max
Electrical Characteristics
Frequency N/A 50 / 60 Hz
AC Voltage Refer to the PSU specification table 100V-240V
DC Input Voltage 54V (switch input voltage, provided by JL819A, JL820A, JL821A) N/A
Current JL820A- max 8A (360W PoE)
JL819A, JL821A- max 4.4A (180W PoE)		 max 3.9A/1.9A (240W PoE)
Maximum heat dissipation BTU/hr With JL819A PSU: 89 BTU/hr at 230V – Room temperature (25°C)
With JL820A PSU: 95 BTU/hr at 230V – Room temperature (25°C)
With JL821A PSU: 94 BTU/hr at 48V – Room temperature (25°C)		 117 BTU/hr at 230V – Room temperature(25°C)
Power Consumption (JL819A, JL820A- 230VAC) (JL821A- 48VDC) With JL819A PSU:
Idle: 22W
100% Traffic Rate: 26W
100% Traffic Rate (w/ heater): 55WWith JL820A PSU:
Idle: 24W
100% Traffic Rate: 28W
100% Traffic Rate (w/ heater): 57W

With JL821A PSU:
Idle: 22W
100% Traffic Rate: 27W
100% Traffic Rate (w/ heater): 56W

*Heater will only turn on at extreme low temperature condition

 Idle: 23W
100% Traffic Rate: 34W
100% Traffic Rate (w/ heater): 62W*Heater will only turn on at extreme low temperature condition
Safety
North America:
UL 62368-1, 2nd Edition
CAN/CSA C22.2 No. 62368-1-14Worldwide:
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		 North America:
UL 62368-1, 2nd Edition
CAN/CSA C22.2 No. 62368-1-14Worldwide:
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
EMC
US: FCC CFR 47 Part 15: 2018 Class A
Worldwide: VCCI Class A, CISPR 11 Class A, CISPR 22 Class A, CISPR 32 Class A		 US: FCC CFR 47 Part 15: 2018 Class A
Worldwide: VCCI Class A, CISPR 11 Class A, CISPR 22 Class A, CISPR 32 Class A
Lasers
EN 60825-1:2007 / IEC 60825-1:2007 Class 1
Class 1 Laser Products / Laser Klasse 1
(Applicable for accessories – Optical Transceivers only		 EN 60825-1:2007 / IEC 60825-1:2007 Class 1
Class 1 Laser Products / Laser Klasse 1
(Applicable for accessories – Optical Transceivers only
Industry Specific Compliance
Industrial EN 61000-6-2 Industrial Immunity
EN 61000-6-4 Industrial Emissions
EN 61000-6-1 Light Industrial Immunity		 EN 61000-6-2 Industrial Immunity
EN 61000-6-4 Industrial Emissions
EN 61000-6-1 Light Industrial Immunity
Power Substation IEEE 1613 Electric Power Stations
Communications Networking
EN/IEC 61850-3 Electric Substations
Communications Networking		 IEEE 1613 Electric Power Stations
Communications Networking
EN/IEC 61850-3 Electric Substations
Communications Networking
Railway Application EN 50121-3-2 Railway – Apparatus for Rolling Stock
EN 50121-4 Railway – Signaling and Telecommunications Apparatus
EN 50155/IEC 60571 – Railway applications, Rolling stock, Electronic equipment		 EN 50121-3-2 Railway – Apparatus for Rolling Stock
EN 50121-4 Railway – Signaling and Telecommunications Apparatus
EN 50155/IEC 60571 – Railway applications, Rolling stock, Electronic equipment
Traffic Control System NEMA TS 2-2016 NEMA TS 2-2016
Protection Standard EN 60529 IP30 EN 60529 IP30
Immunity
Generic EN 55035, CISPR 35, KN35 EN 55035, CISPR 35, KN35
EN EN 55035, CISPR 35 EN 55035, CISPR 35
ESD EN 61000-4-2 (air – 15kV, contact – 8kV) EN 61000-4-2 (air – 15kV, contact – 8kV)
Radiated EN 61000-4-3 (10V/m UTP, 20V/m STP) EN 61000-4-3 (10V/m UTP, 20V/m STP)
EFT/Burst EN 61000-4-4
4kV (1kV UTP, 4kV STP) using:
– JL819A, JL820A with SPD2-300-2P0-R surge protector
– JL821A with SPD2-150-2P0-R surge protector needed.
Without surge protector and STP: – JL819A or JL820A PSU: 2kV
– JL821A PSU: 1kV		 EN 61000-4-4
4kV (1kV UTP, 4kV STP)
Surge EN 61000-4-5
2kV/4kV(UTP) using:
– JL819A, JL820A with SPD2-300-2P0-R surge protector
– JL821A with SPD2-150-2P0-R surge protector
Without surge protector:
– JL819A or JL820A PSU: 1kV/2kV
– JL821A PSU: N/A		 EN 61000-4-5
2kV/4kV(UTP)
Conducted EN 61000-4-6 (3Vrms UTP, 10Vrms STP) EN 61000-4-6 (3Vrms UTP, 10Vrms STP)
Power frequency magnetic field EN 61000-4-8 (100A/m 1min,1000A/m 1sec) EN 61000-4-8 (100A/m 1min,1000A/m 1sec)
Damped Oscillatory Magnetic Field EN 61000-4-10 (100A/m) EN 61000-4-10 (100A/m)
Conducted CM Disturbances EN 61000-4-16 (30V, Cont/300V, 1 sec) EN 61000-4-16 (30V, Cont/300V, 1 sec)
Ripple Immunity DC Power EN 61000-4-17 (10%) EN 61000-4-17 (10%)
Damped Oscillatory Wave EN 61000-4-18 (2.5kV, 1MHz) EN 61000-4-18 (2.5kV, 1MHz)
Voltage Dips and interruptions EN 61000-4-29; EN 61000-4-11 (Level 3) EN 61000-4-29; EN 61000-4-11 (Level 3)
Harmonics EN 61000-3-2, IEC 61000-3-2 EN 61000-3-2, IEC 61000-3-2
Flicker EN 61000-3-3, IEC 61000-3-3 EN 61000-3-3, IEC 61000-3-3
Dynamics
Vibration IEC 60068-2-6 & 64 (operation & nonoperation) IEC 60068-2-6 & 64 (operation & nonoperation)
Shock IEC 60068-2-27 (Operational Shock, 30G, 18ms, Half-Sine)
IEC 60068-2-27 (Non-operational Shock, 50G, 11ms, Trapezoidal)
IEC 60068-2-31 (Non-operational Free Fall, 100mm)
IEC 60068-2-31 (Non-operational Topple)		 IEC 60068-2-27 (Operational Shock, 30G, 18ms, Half-Sine)
IEC 60068-2-27 (Non-operational Shock, 50G, 11ms, Trapezoidal)
IEC 60068-2-31 (Non-operational Free Fall, 100mm)
Railway Application Compliance to EN 50155 (mounting) & IEC 61373 Compliance to EN 50155 (mounting) & IEC 61373
Mounting and Enclosure
Mounts to JL822A (3U DIN-to-Rack Bracket, puchased separately) which allows the switch to be mounted in an EIA/TIA standard 19″ telco rack.

Switch can be directly installed on a DIN rail mounted to a suitable surface to withstand the weight of the switch and power supplies.

DIN rail mounting (included).

Can be mounted in 90-degree manner to present the cables exiting the side of the switch – see installation guide for details.

 Mounts to an EIA/TIA standard 19″ telco rack. Mounting brackets included with product.

Can be wall-mounted, flush against wall with ports facing down only – see installation guide for details.
Wire
Power Input AWG 14 up to 2m C15 Connector
Alarm connector AWG 18-16 AWG 18-16
PoE Budget
  User configurable PoE budget – If 2 external power supply units are used concurrently, please set according to PSU with lower PoE capacity.

JL819A —
Below ambient 50°C: 180W
At ambient 60°C: 140W
At ambient 70°C: 80W

JL820A —
Below ambient 50°C: 360W
At ambient 60°C: 320W
At ambient 70°C: 200W

JL821A —
With PSU input = 48V-55V DC
Below ambient 50°C: 180W
At ambient 60°C and 70°C: 150W

With PSU input = 24V DC
Below ambient 70°C: 150W

With PSU input = 12V DC
Below ambient 60°C: 60W
At ambient 70°C: 50W

Does not support PSU Power Sharing. Refer to Installation & Getting Started Guide for the PoE budget setup.

 240W no derating

 

External Power Supply Specifications
Specifications (for use with JL817A Aruba CX 4100i Switch) Aruba 4000i POE 54VDC 240W 100-240VAC DIN Power Supply (JL819A) Aruba 4000i POE 54VDC 480W 100-240VAC DIN Power Supply (JL820A) Aruba 4000i POE 54VDC 240W 12-48VDC DIN Power Supply (JL821A)
Description Universal AC input voltage

1x Input socket
1x Output socket

 Universal AC input voltage

1x Input socket
1x Output socket

 DC input voltage

1x micro-USB interface for control and monitoring
1x LCD Display
1x Input socket
1x Output socket
Physical characteristics
Dimensions (H) 121 mm x
(W) 85 mm x
(D) 124.1 mm
(4.76″ x 3.35″ x 4.88″)		 (H) 121 mm x
(W) 144 mm x
(D) 118.6 mm
(4.76″ x 5.67″ x 4.67″)		 (H) 115 mm x
(W) 40 mm x
(D) 110 mm
(4.52″ x 1.57″ x 4.33″)
Configuration Weight 0.96 kg (2.12 lbs) 1.37 kg (3.02 lbs) 0.4 kg (0.88 lbs)
Environment
Operating Temperature -40°C to 49°C no derating
Vertical: 50°C de-rate power by 2.5% / °C
Horizontal: 40°C de-rate power by 2.5% / °C		 -40°C to 49°C no derating
> 50°C de-rate power by 2.5% / °C
> 70°C de-rate power by 5% / °C		 -40°C to 70°C with derating
Operating Relative Humidity 5% to 95%, non-condensing 5% to 95%, non-condensing 5% to 95%, non-condensing
Non-Operating -40°C to 85°C (-40°F to 185°F ) -40°C to 85°C (-40°F to 185°F ) -40°C to 85°C (-40°F to 185°F )
Non-Operating Storage relative humidity 5% to 95%, non-condensing 5% to 95%, non-condensing 5% to 95%, non-condensing
Max Operating Altitude up to 4.2 km (13800 ft) Max up to 4.2 km (13800 ft) Max up to 4.2 km (13800 ft) Max
Max non-operating Altitude 4.6 km (15000 ft) Max 4.6 km (15000 ft) Max 4.6 km (15000 ft) Max
Electrical Characteristics
Frequency 50Hz/60Hz 50Hz/60Hz N/A
AC Voltage 100V-240V 100V-240V N/A
DC Input Voltage N/A N/A 12V-48V nominal
UL Certified to: 11V-55V
Current 6A/3A 3.5A/1.3A 12A
Dynamics
Vibration IEC 60068-2-6IEC 60068-2-6 IEC 60068-2-6 IEC 60068-2-6
Shock IEC 60068-2-27 & 29 IEC 60068-2-27 & 29 IEC 60068-2-27
Mounting and Enclosure
  Mounts to JL822A (3U DIN-to-Rack Bracket, purchase separately) attached to an EIA-standard 19″ telco rack or equipment cabinet which has DIN rail installed.

DIN rail mounting.

Vertical mounting only

 Mounts to JL822A (3U DIN-to-Rack Bracket, purchase separately) attached to an EIA-standard 19″ telco rack or equipment cabinet which has DIN rail installed.

DIN rail mounting.

Vertical mounting only

 Mounts to JL822A (3U DIN-to-Rack Bracket, purchase separately) attached to an EIA-standard 19″ telco rack or equipment cabinet which has DIN rail installed.

DIN rail mounting.

Vertical mounting only
Wire
Power Input AWG 16-12 AWG 16-10 AWG 12
Power Output AWG 14 up to 2m AWG 14 up to 2m AWG 14 up to 2m
PoE Budget
Input operating range AC 100-240V AC 100-240V Nominal to 12-48 VDC
UL certified to 11-55 VDC
PoE Power Budget below 50°C ambient (-40°C to 50°C) 180W 360W 180W with input = 48V-55V DC
150W with input = 24V DC
60W with input = 12V DC
PoE Power Budget with 60°C ambient 140W 320W 150W with input = 48V-55V DC
150W with input = 24V DC
60W with input = 12V DC
PoE Power Budget with 70°C ambient 80W 200W 150W with input = 48V-55V DC
150W with input = 24V DC
50W with input = 12V DC
De-rating condition for PSU De-rating for Vertical Mounting Orientation
> 50°C de-rate power by 2.5% / °C
De-rating for Horizontal Mounting Orientation
> 40°C de-rate power by 2.5% / °C		 De-rating for Vertical Mounting Orientation
> 50°C de-rate power by 2.5% / °C
> 70°C de-rate power by 5% / °C

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