Name: AL5900A4B-E6 Extreme Networks 48-Port PoE+ 4 SFP+ 10G Layer 3 Switch
Brand: Extreme Networks
SKU: AL5900A4B-E6
Price: 7154.84 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The AL5900A4B-E6 is a Layer 3 managed switch that combines 48 PoE+ Gigabit ports and 4 SFP+ 10 Gbps uplink ports in a 1U rack-mount form factor. It fits into enterprise and data center networks where dense connectivity and power delivery are required, while its back-to-front airflow supports efficient cooling in rack setups.

General Information
Brand	Extreme Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, PoE Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, 10G SFP+, RJ-45, USB Console, Serial Console (RJ-45)
Port Speed	10/100/1000Base-T
UpLink Ports	4
POE Support	PoE+
Switching Capacity	176 Gbps
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	No
Layer Support	Layer 3
Connector Type	RJ-45,SFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	32,000

Management and Configuration
Routing Protocols	Static, RIP, OSPF, VRRP
Remote Protocols	Yes
Management Interfaces	Web GUI, CLI (SSH, Telnet), SNMPv1/v2/v3, RMON
Security Features	Access Control Lists (ACLs), 802.1X, RADIUS, TACACS+, SSH
Management Type	Managed
Remote Management Protocol	SNMPv1/v2/v3,SSH,Telnet,HTTP/HTTPS

Power & Cooling
Fans	Front-to-Back (redundant, hot-swappable)
Power	AC 100-240V, 50/60 Hz
Power Supply	Internal AC (hot-swappable / redundant optional)

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, cULus
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.3ae, IEEE 802.3at

Product Description
The AL5900A4B-E6 is a managed Layer 3 Ethernet switch designed to handle demanding network environments. It is commonly found in enterprise and data center networks where reliable, high-density Gigabit connectivity with Power over Ethernet is essential. Built for network administrators and IT professionals, this switch supports advanced routing protocols and offers flexibility through its combination of PoE+ and SFP+ ports. Its back-to-front airflow design suits rack deployments requiring efficient thermal management. Key Features Supports up to 48 PoE+ ports providing both data and power delivery Equipped with 4 SFP+ ports for seamless 10 Gbps uplinks Incorporates Layer 3 routing for enhanced network control Compact 1U form factor optimized for rack-mount installation Back-to-front airflow design improves operational cooling efficiency This switch offers practical performance for modern network architectures, balancing power delivery and high-speed connectivity. Its design ensures stable operation and easy integration into existing rack environments with controlled airflow.

Use Cases
This switch is generally deployed in enterprise IT networks and medium to large data centers where both high port density and PoE+ support are necessary. It suits environments requiring advanced routing features alongside reliable power delivery for connected devices. How It's Used: Powering and connecting VoIP phones and wireless access points in enterprise campuses Providing aggregated uplinks to core switches or routers via 10 Gbps SFP+ ports Supporting virtualization environments that demand high throughput and network segmentation Back-to-front airflow setup in rack deployments to maintain optimal thermal conditions Serving as a distribution switch in multi-floor or multi-building networks In these settings, the AL5900A4B-E6 contributes to efficient network operation by combining power delivery with advanced switching and routing capabilities. Its form factor and airflow design also help maintain performance and reliability within dense rack environments.