How many devices can this switch power simultaneously?

The 1820 24G PoE+ provides 185 watts of PoE+ power across ports 1-12, supporting up to 12 simultaneous PoE+ devices. Each port can deliver up to 30 watts per IEEE 802.3at standard. Actual device count depends on individual power consumption; typical IP phones use 6-15W while wireless APs may require 20-30W.

What is the maximum network throughput this switch can handle?

The switch delivers up to 38.6 Mbps throughput with 64-byte packets and maintains 52 Gb/s switching capacity. All 24 Gigabit ports can operate simultaneously at full 1000 Mbps without bottlenecks, supporting non-blocking performance for concurrent multi-port communication in SMB networks.

Can this switch connect to fiber networks?

Yes, the two SFP slots support 100/1000 Mbps fiber transceivers (1000BASE-X and 100BASE-FX). These dedicated fiber ports enable uplink connectivity for extended network reach beyond standard 100-meter copper cable limits, ideal for multi-building campuses or backbone connections.

What management capabilities does this switch offer?

The switch features web-based management interface accessible through any standard browser. Supported features include VLAN configuration, Link Aggregation, Rapid Spanning Tree Protocol (RSTP), DSCP QoS policies, broadcast control, and PoE Port Scheduler. No specialized IT expertise required for basic configuration.

Is this switch suitable for office environments?

Yes, the fanless design ensures silent operation ideal for office deployments. Operating temperature range of 0-40°C supports standard office conditions. Compact 1U rack-mountable form factor (44.25 x 24.61 x 4.39 cm) fits standard network closets. Maximum power consumption of 240W with 28.3W idle consumption supports energy-conscious deployments.

What is the warranty coverage?

The HPE OfficeConnect 1820 series includes a Limited Lifetime Warranty covering hardware defects. MTBF rating of 64.52 years indicates high reliability for continuous operation. Specific warranty terms and conditions should be verified with HPE or authorized resellers for your region.

How does this switch prioritize VoIP and video traffic?

The switch supports DSCP QoS policies and IEEE 802.1p classification to prioritize time-sensitive packets like VoIP and video over standard traffic. Packets are mapped to eight hardware queues for effective throughput management. Broadcast control limits unwanted broadcast traffic, protecting voice and video quality during peak network usage.

J9983-60001 - HP 1820 24G 2SFP+ 24 x 10/100/1000BASE-T RJ-45 ports; 12 ports support PoE+/PoE Switch

Name: J9983-60001 - HP 1820 24G 2SFP+ 24 x 10/100/1000BASE-T RJ-45 ports; 12 ports support PoE+/PoE Switch
Brand: HP
SKU: J9983-60001
Price: 112 USD
Availability: InStock

J9983-60001 - HP 1820 24G 2SFP+ 24 x 10/100/1000BASE-T RJ-45 ports; 12 ports support PoE+/PoE Switch | US IT Hardware

Product overview

The HPE OfficeConnect 1820 24G PoE+ Switch (J9983A) is a Layer 2 managed Gigabit switch designed for small business networks requiring Power over Ethernet capabilities. It features 24 autosensing 10/100/1000BASE-T RJ-45 ports with 12 ports supporting PoE+, delivering 185 watts of total PoE power budget. Two SFP slots enable fiber connectivity for extended network reach. The switch offers 52 Gb/s switching capacity and supports up to 38.6 Mbps throughput with 8,000 MAC address table entries. Web-based management interface enables configuration of VLANs, Link Aggregation, and QoS policies without specialized IT expertise. Energy-efficient design includes idle-port power down and PoE Port Scheduler. Rack-mountable 1U form factor with fanless operation ensures quiet office deployment. Comprehensive Layer 2 features include Rapid Spanning Tree Protocol, DSCP QoS, and broadcast control for traffic prioritization.

24 Gigabit PoE+ ports with 185W power budget
52 Gb/s switching capacity, non-blocking performance
2 SFP fiber ports for extended network reach
Web-based management with VLAN and QoS support
Fanless 1U design, 28.3W idle power consumption
IEEE 802.3at PoE+ standard, 64.52-year MTBF

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Management Interface
Manufacturer part #	J9983-60001
Brand	HP
Condition	Refurbished
MTBF	64.52 years
Model	1820 24G 2SFP+
Status LEDs	PoE+ ports 1-12 LEDs; Power and Fault/Locator LEDs; Mode button
Product Line	HPE OfficeConnect 1820 Switch Series
Product Type	Gigabit Ethernet Layer 2 Switch
Ethernet Speed	10/100/1000 Mbps autosensing; Duplex: 10/100BASE-TX half/full, 1000BASE-T full only
MAC Address Table	8000 entries

Compatible systems

No specific compatibility lists found in sources

Best for

SMB Networks
Ideal for small business office networks requiring managed Gigabit connectivity with web-based administration. The 24 autosensing 10/100/1000BASE-T ports provide flexible deployment without complex configuration.
VoIP Deployment
Supports voice and video traffic prioritization through DSCP QoS and IEEE 802.1p classification. The 185W PoE+ budget across 12 ports powers IP phones and wireless access points simultaneously.
Office Infrastructure
Fanless design and quiet operation suit office environments. Compact 1U rack-mountable form factor (44.25 x 24.61 x 4.39 cm) fits standard network closets with minimal space requirements.
Fiber Connectivity
Two SFP 100/1000 Mbps ports enable fiber uplinks for extended network reach and backbone connectivity without requiring additional hardware.
Energy-Conscious Deployments
Idle-port power down and PoE Port Scheduler reduce energy consumption. Maximum power rating of 240W with idle consumption of 28.3W supports sustainability initiatives.

Frequently asked questions

Details

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Safety Certifications	UL 60950-1; EN 60950-1; CAN/CSA-C22.2 No. 60950-1; CSA-C22.2 No. 60950-1; EN 60825-1; IEC 60950-1

Throughput	Up to 38.6 Mp/s (64-byte packets)
Switching Capacity	52 Gb/s

PoE Power	185W PoE+ budget
Idle Power	28.3 W
Max Wattage	240 W maximum power rating
Power Supplies	Internal power supply; External Power Supply optional

Weight	3.31 kg (7.3 lb)
Dimensions	44.25 x 24.61 x 4.39 cm (17.42 x 9.69 x 1.73 in)
Form Factor	Rack mountable 1U height

Environmental

Storage Humidity	15% to 95% @ 60°C (140°F)
Operating Humidity	15% to 95% @ 40°C (104°F)
Storage Temperature	-40° to 70°C (-40° to 158°F)
Operating Temperature	0° to 40°C (32° to 104°F)

Network Ports	2 x SFP 100/1000 Mb/s ports
Ethernet Ports	24 x 10/100/1000BASE-T RJ-45 ports; 12 ports support PoE+/PoE

HP 1820 24G 2SFP+ 24 x 10/100/1000BASE-T RJ-45 ports; 12 ports support PoE+/PoE Switch

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Network & Communication

Power Consumption

Physical Characteristics

Environmental

Interface/Ports