Name: DGS-3120-48PC D-Link 44-Port PoE 1G + 4 Combo RJ-45/SFP Layer 3 Switch
Brand: D-Link
SKU: DGS-3120-48PC
Price: 752.25 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The DGS-3120-48PC offers a balanced mix of high-density PoE ports and Layer 3 routing, fitting well in mid-sized to large network environments. It handles both data and power delivery seamlessly and provides flexibility through combo uplink interfaces, making it a solid choice for centralized network management.

General Information
Brand	D-Link
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable Switch, PoE Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	44
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, Combo RJ-45/SFP, SFP, USB Console, Serial Console (RJ-45)
Port Speed	1 Gbps
UpLink Ports	4
POE Support	PoE+
Switching Capacity	176 Gbps
Switch Forwarding Rate	130.95 Mpps
DRAM	256 MB
Flash Memory	64 MB
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	RJ-45,SFP,Combo RJ-45/SFP,USB Console,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9000 Bytes
MAC Address Table Size	16000

Management and Configuration
Routing Protocols	Static, RIP
Remote Protocols	Yes
Management Interfaces	Web (HTTP/HTTPS),CLI (Console/Telnet/SSH),SNMPv1/v2c/v3,RMON,Syslog,USB
Security Features	Access Control Lists (ACL),802.1X Authentication,Port Security,DHCP Snooping,IP-MAC-Port Binding,Dynamic ARP Inspection,DoS Attack Prevention
Management Type	Managed
Security	802.1X,ACL,Port Security
Remote Management Protocol	SNMP,SNMPv3,SSH,Telnet,HTTP,HTTPS,RMON
Routing Protocol	Static,RIP

Power & Cooling
Fans	2 (internal, temperature-controlled)
Power	AC 100-240V, 50/60Hz (internal) - supports full PoE budget
Power Supply	Internal AC 100-240V

Physical Characteristics
Dimensions	1.73 x 17.32 x 11.02 in (H x W x D)
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, 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,IEEE 802.1s,IEEE 802.1X,IEEE 802.3af,IEEE 802.3at

Product Description
The DGS-3120-48PC is a robust managed network switch built for environments requiring a blend of high port density and advanced network management. It often appears in enterprise and campus networks where Gigabit connectivity combined with PoE delivers power and data over a single cable. Designed for IT professionals managing complex networks, this switch supports Layer 3 routing capabilities alongside comprehensive PoE power management. It facilitates scalable network architectures and efficient traffic control. Key Features Provides 44 PoE-enabled 1GBase-T ports supporting various powered devices Includes 4 combo ports for flexible uplink through SFP or copper interfaces Incorporates Layer 3 features such as static routing and inter-VLAN routing Supports advanced management protocols for detailed network control and monitoring Compact 1U form factor suitable for rack deployments This switch delivers dependable performance and an adaptable platform for managing power distribution and network traffic. Its integrated PoE support simplifies infrastructure while enabling diverse device connectivity. Overall, it plays a critical role in maintaining network reliability and operational continuity.

Use Cases
The DGS-3120-48PC typically finds its place in enterprise networks, campus environments, and small data centers where power-over-Ethernet and advanced routing are essential. IT teams requiring a reliable switch for converged network deployments appreciate its combination of port density and management features. How It's Used: Powering VoIP phones and access points in enterprise office deployments Providing uplink flexibility in campus networks with fiber and copper options Facilitating inter-VLAN routing in multi-segmented networks Serving as a core or distribution switch in SMB and mid-sized data centers Supporting edge computing setups with efficient PoE and Gigabit throughput By integrating PoE and Layer 3 capabilities in a rack-mountable package, this switch supports scalable and efficient network architectures. It aids in streamlining network management and delivering consistent performance across connected devices.