How many and what type of uplink ports are available?

Features 2 RJ-45 autosensing 10/100/1000 ports and 2 dual-personality ports (RJ-45 10/100/1000 or Mini-GBIC SFP). All support Auto-MDIX; 1000BASE-T is full duplex only. Enables high-speed aggregation and fiber connectivity.

What management options does this switch support?

Includes Web GUI for easy configuration, CLI for scripting, and SNMPv2c/SNMPv3 for integration with NMS. Secure SSL support ensures protected access, ideal for SMB IT management.

What is the switching performance and MAC table size?

Offers 12.8 Gbps switching capacity, 6.2 million pps throughput, and 8K MAC address table entries. IGMPv3 handles multicast efficiently for video/voice applications in moderate-traffic networks.

What is the physical form factor and power requirements?

Rack-mountable 1U design fits 19-inch racks. Operates on 100-127/200-240 VAC at 50/60 Hz, drawing 3.3/1.6A max current. Operating temperature range is 0°C to 45°C.

J9138A - HP J9138A 2520-24-PoE 24x10/100 PoE Layer 2 Switch

Name: HP J9138A 2520-24-PoE 24x10/100 PoE Layer 2 Switch
Brand: HP
SKU: J9138A
Price: 115 USD
Availability: InStock

J9138A - HP J9138A 2520-24-PoE 24x10/100 PoE Layer 2 Switch | US IT Hardware

Product overview

The HP ProCurve 2520-24-PoE Switch (J9138A) is a managed Layer 2 Ethernet switch designed for SMB environments requiring PoE connectivity. It features 24 RJ-45 autosensing 10/100 PoE ports compliant with IEEE 802.3af, delivering up to 195W total PoE power for devices like VoIP phones, wireless access points, and IP cameras. Uplink options include 2x 10/100/1000 RJ-45 ports and 2 dual-personality ports supporting RJ-45 10/100/1000 or SFP mini-GBIC for flexible fiber connectivity. With an 8K MAC address table, IGMPv3 support, and 12.8 Gbps switching capacity, it handles moderate traffic efficiently. Management via Web GUI, CLI, and SNMPv2c/v3 enables straightforward configuration. The rack-mountable 1U form factor suits standard 19-inch racks. Ideal for deploying voice, video, and wireless solutions in small to medium businesses, ensuring reliable power and data delivery over single cables.

24x 10/100 PoE ports with 195W budget
2x Gigabit RJ-45 + 2x dual-personality SFP uplinks
8K MAC table and IGMPv3 multicast support
Web GUI, CLI, SNMPv3 management options
12.8 Gbps switching capacity, rack-mount 1U
IEEE 802.3af PoE for voice/video/wireless

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

Manufacturer part #	J9138A
Brand	HP
Condition	Refurbished
Model	2520-24-PoE
PoE Standard	IEEE 802.3af PoE
Product Line	ProCurve 2520 Series
Product Type	Managed Layer 2 Ethernet Switch
Routing Protocol	IGMPv3
Management Interface	Web GUI; Command-line interface (CLI); SNMPv2c/SNMPv3

Storage

RAM

Compatible systems

No specific system or OS compatibility lists found in sources

Best for

VoIP Deployment
Powers 24 VoIP phones via IEEE 802.3af PoE ports with 195W budget, reducing cabling needs in SMB offices. Supports IGMPv3 for efficient multicast traffic.
Wireless Networks
Delivers PoE to access points through 24x 10/100 ports and Gigabit uplinks, enabling seamless wireless coverage. Dual-personality SFP ports allow fiber extensions.
IP Surveillance
Supplies power and data to IP cameras over single cables using 802.3af PoE, with 8K MAC table for stable connections in medium-sized setups.
SMB Branch Offices
Rack-mountable 1U design with Web/CLI/SNMP management simplifies deployment for voice/video solutions in distributed environments.

Frequently asked questions

What PoE capabilities does the HP 2520-24-PoE offer?

Details

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Flash Memory	32MB flash

MAC Address Table	8K entries

Packet buffer size	384KB dynamically allocated

Throughput	6.2 million pps
Switching capacity	12.8 Gbps

Current	3.3 / 1.6 A
Voltage	100-127 / 200-240 VAC
Frequency	50 / 60 Hz
PoE power	195 W
Idle power	21.6 W
Max Wattage	257 W

Form Factor	Rack-mountable 1U

Operating temperature	32ºF to 113ºF (0ºC to 45ºC)

Interface/Ports

Uplink Ports	2 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Media Type: Auto-MDIX; Duplex: 10BASE-T/100BASE-TX half or full, 1000BASE-T full only
Ethernet Ports	24 RJ-45 autosensing 10/100 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3af PoE); Media Type: Auto-MDIX; Duplex: half or full
Dual-Personality Ports	2 dual-personality ports: RJ-45 10/100/1000 or Mini-GBIC (SFP) slots

HP J9138A 2520-24-PoE 24x10/100 PoE Layer 2 Switch