Name: 3CRS48G-48-91 3Com 48-Port Gigabit Ethernet Switch 4 SFP 2 Expansion Slots
Brand: 3Com
SKU: 3CRS48G-48-91
Price: 372.24 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The 3CRS48G-48-91 switch combines a large number of gigabit Ethernet ports with fiber uplink flexibility and expansion capabilities. It fits into network setups that demand both high capacity and adaptable connectivity solutions, supporting evolving infrastructure needs.

General Information
Brand	3Com
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable 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 x SFP (mini-GBIC), 2 x Expansion Slot
POE Support	No
VLAN Support	Yes
Max VLANs Supported	4094
NIM Slot	2
Stackable	Yes
Layer Support	Layer 3
Connector Type	RJ-45,SFP,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Remote Protocols	Yes
Management Interfaces	Web GUI,CLI (SSH,Telnet),SNMP
Security Features	802.1X,Access Control Lists (ACL),SSH,RADIUS,Port Security
Management Type	In-band and Out-of-band
Remote Management Protocol	SNMP,HTTP,HTTPS,SSH,Telnet

Power & Cooling
Fans	Yes

Physical Characteristics
Weight	3.00

Miscellaneous
Assembly Required	No

Product Description
The 3CRS48G-48-91 is a high-density Ethernet switch built to deliver reliable network connectivity with a mix of copper and fiber port options. It is commonly found in network environments requiring high port counts and flexible uplink choices. Typically deployed in enterprise networks and data centers, this switch supports IT professionals and network administrators aiming to manage traffic efficiently while maintaining scalability. Key Features Offers 48 ports supporting 10/100/1000 Mbps speeds to handle varied network demands Includes 4 SFP mini-GBIC slots enabling fiber optic connections for longer distance links Equipped with 2 expansion slots for additional modules or enhanced functionalities Supports advanced traffic management to optimize data flow Designed to provide stable and consistent network performance under load This switch plays a crucial role in network infrastructures that require both flexibility and density. Its combination of copper and fiber ports allows for diverse connectivity options, fitting well into existing network frameworks. With its balanced design, it ensures operational reliability and steady performance, making it a solid choice for managing robust network traffic loads.

Use Cases
This switch is typically deployed in enterprise LANs and medium to large data centers where high port density and multiple uplink options are important. Network teams managing complex infrastructure benefit from its scalability and reliability. How It's Used: Serving as a core or aggregation switch in campus network environments to connect multiple access layers Integrating fiber uplinks in data centers for connecting servers across racks with longer reach Supporting SMB networks that require growth through expansion slots for future modules Facilitating high-throughput connections for virtualization and storage clusters Providing dependable connectivity in managed network deployments where traffic control is essential By supporting both fast copper connections and flexible fiber options, this switch helps maintain efficient network operations. Its ability to scale with expansion modules ensures that infrastructure can evolve alongside organizational needs without disruption.