Name: 2J977 Dell PowerConnect 2748 48-Port + 4 SFP Gigabit Ethernet Switch Layer 2 Managed
Brand: Dell
SKU: 2J977
Price: 230.88 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell PowerConnect 2748 48-Ports + 4-Ports SFP GE Switch combines a high number of Ethernet ports with fiber uplink options to fit into business networks that require flexible connectivity. It fits well in rack environments where space and port availability matter. The switch manages traffic at Layer 2, helping to organize and prioritize data flow effectively within local networks.

General Information
Brand	Dell
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Managed 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, SFP, Serial Console (RJ-45)
Port Speed	10/100/1000 Mbps
UpLink Ports	4 SFP (1 Gbps)
POE Support	No
Switching Capacity	104 Gbps
DRAM	64 MB
Flash Memory	16 MB
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 2
Connector Type	RJ-45,SFP,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	8000 entries

Management and Configuration
Remote Protocols	Yes
Management Interfaces	Web GUI (HTTP/HTTPS), CLI (Console/SSH/Telnet), SNMP, RMON
Security Features	Access Control Lists (ACL), 802.1X authentication, RADIUS/TACACS+, Port Security, Storm Control, DHCP Snooping
Management Type	Managed
Remote Management Protocol	SNMPv1/v2/v3, SSH, Telnet, HTTP, HTTPS, RMON

Power & Cooling
Fans	Internal fans (variable speed)
Power Supply	Internal AC power supply (100-240VAC, 50-60Hz)

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

Miscellaneous
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1D, IEEE 802.1w

Product Description
The Dell PowerConnect 2748 is a managed Ethernet switch that delivers reliable network connectivity with a total of 52 ports, combining 48 standard Gigabit Ethernet interfaces and 4 SFP slots for fiber links. It is commonly found in enterprise and SMB network environments where dependable and flexible switching is needed. Built for IT teams managing mid-sized network infrastructures, it offers Layer 2 switching capabilities to organize and prioritize traffic effectively. This switch is often deployed in data closets or wiring racks where density and port variety are essential. Key Features Provides high port density with a mix of copper and fiber connections Enables VLAN segmentation and traffic management through QoS Offers managed switch functionality with SNMP and CLI support Delivers PoE capabilities (if applicable) for powering devices over Ethernet Supports link aggregation for increased bandwidth and redundancy This switch serves as a steady foundation for network segmentation and traffic control, maintaining performance across connected devices. Its design emphasizes reliability and ease of management, making ongoing network maintenance more straightforward. Its functionality supports stable network operations and accommodates evolving infrastructure needs without compromising on responsiveness or connectivity quality.

Use Cases
The Dell PowerConnect 2748 switch is typically utilized in medium-sized enterprise networks and SMB data centers where reliable Gigabit connectivity and fiber uplinks are necessary. It benefits network administrators who need flexible port options and managed features to efficiently handle traffic. How It's Used: Providing core switching in SMB networks with mixed copper and fiber device connections Supporting edge switch deployments in enterprise wiring closets for endpoint aggregation Enabling network segmentation and QoS management in virtualized office environments Facilitating uplink connectivity to backbone switches via SFP fiber ports Serving as an access layer switch in storage cluster or server farm environments Its ability to deliver reliable, managed connectivity contributes to smoother network operations and allows IT teams to maintain efficient traffic flow and scalability in evolving network setups.