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3CRS48G-48P-91 3Com 48-Port PoE 10/100/1000Base-T Layer 2 Managed Switch

SKU:

3CRS48G-48P-91

Weight: 3.00 lbs
Condition: Refurbished
  • 48 PoE-enabled 10/100/1000Base-T Gigabit Ethernet ports
  • 4 SFP mini-GBIC slots for fiber connectivity options
  • 2 expansion slots for additional network modules
  • Layer 2 managed switch with advanced network control
In stock

$429.56
Product Overview

The 3CRS48G-48P-91 switch integrates 48 PoE Gigabit Ethernet ports with multiple fiber uplink options and expansion slots, delivering flexible and manageable network connectivity. It fits well in environments requiring power delivery over Ethernet alongside comprehensive Layer 2 network control without overwhelming complexity.

General Information
Brand 3Com
Condition Refurbished
Technical Information
Switch Type Layer 2, 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, SFP
Port Speed 10/100/1000 Mbps
UpLink Ports 4
POE Support PoE
VLAN Support Yes
Max VLANs Supported 1-4094
NIM Slot 2
Layer Support Layer 2
Connector Type RJ-45,SFP
Performance
Jumbo Frame Support Up To 9216 Bytes
Management and Configuration
Remote Protocols Yes
Management Interfaces Web GUI,Command Line Interface (CLI),SNMP
Security Features 802.1X,Access Control Lists (ACL),Port Security
Management Type Managed
Remote Management Protocol HTTP,HTTPS,SSH,Telnet,SNMP
Physical Characteristics
Weight 3.00
Miscellaneous
Assembly Required No


Product Description

The 3CRS48G-48P-91 is a Layer 2 managed Gigabit Ethernet switch designed to provide robust network connectivity with Power over Ethernet (PoE) capabilities. It is commonly found in enterprise and mid-sized network environments where reliable high-speed connections and flexible fiber uplinks are needed.

Built for network administrators and IT professionals, this switch supports advanced management features allowing precise control of traffic and power delivery to connected devices. It often serves as a core or distribution switch in structured network setups.

Key Features

  • Offers 48 ports with PoE to power IP phones, wireless access points, and other devices directly through the network cable
  • Includes 4 SFP slots providing fiber uplink flexibility for extended reach and network segmentation
  • Supports 2 expansion slots that allow adding additional network modules for future-proofing
  • Offers comprehensive Layer 2 management including VLANs, QoS, and link aggregation
  • Delivers reliable gigabit performance ensuring efficient data transfer across the network

This switch plays a vital role in maintaining smooth network operations by combining power delivery and data connectivity in a single device. Its management features and expansion capabilities contribute to scalable network growth and consistent performance under varying loads.


Use Cases

The 3CRS48G-48P-91 switch typically operates in enterprise networks and medium to large office infrastructures where centralized power and data delivery is essential. It benefits IT teams needing dependable, manageable switches with scalability options for growing network demands.

How It's Used:

  • Deploying PoE to power IP phones and wireless access points in corporate office networks
  • Providing fiber uplinks via SFP ports to connect different network segments or buildings
  • Expanding network capabilities through additional modules for increased port density or specialized interfaces
  • Serving as a Layer 2 aggregation switch in campus LAN environments
  • Facilitating traffic management and segmentation with VLAN and QoS settings

By combining power, fiber connectivity, and managed switching, this product supports efficient network design and operation. It helps maintain consistent network performance while accommodating evolving infrastructure needs in professional IT settings.


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3CRS48G-48P-91 3Com 48-Port PoE 10/100/1000Base-T Layer 2 Managed Switch
3CRS48G-48P-91 3Com 48-Port PoE 10/100/1000Base-T Layer 2 Managed Switch
$429.56