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48-port LAN Base switch delivers solid performance and easy management.
WS-C3750X-48T-L
Catalyst 3750X 48 Port Data LAN Base
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Name:
WS-C3750X-48T-L
- Description:
- Catalyst 3750X 48 Port Data LAN Base
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- Brand:
- Cisco
- GTIN:
- 582723325641
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WS-C3750X-48T-L Overview
WS-C3750X-48T-L is a high-performance, stackable switch designed for enterprise environments that demand reliable connectivity and efficient network management. It features a robust architecture with flexible power options using an AC power supply, 48 10/100/1000 Ethernet ports for robust access connectivity, and 4 dedicated SFP uplink ports that support stacking and expandability.
WS-C3750X-48T-L delivers scalable performance suitable for a wide range of use cases from campus LANs to branch offices. Its architecture supports both Layer 2 and Layer 3 operations, ensuring seamless routing and switching, while the stacking capability using Cisco StackWise-480 maximizes network resiliency and throughput across multiple switches.
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WS-C3750X-48T-L Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 350 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- WS-C3750X-48T-L
- Uplink Configuration
- 1G
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 48 Ethernet ports, 4 SFP uplink ports
- Flash Memory
- 256 MB
- Switching Capacity
- 176 Gbps
- Switching Capacity with Stacking
- 480 Gbps
- Product Name
- Cisco Catalyst 3750X 48-Port 10/100/1000 Ethernet Switch
- Height
- 1.73 inches
- Width
- 17.2 inches
- Depth
- 16.1 inches
- Weight
- 29.3 lbs
WS-C3750X-48T-L Use Case
Campus LAN Aggregation with Catalyst 3750X 48 Port Data LAN Base
In a multi-building enterprise campus, use the WS-C3750X-48T-L as the central aggregation switch to interconnect access-layer switches via Cisco StackWise. This delivers a single management IP, up to 20 Gbps stacking bandwidth and hitless failover—streamlining operations, boosting throughput and ensuring nonstop connectivity.
PoE IP Telephony & Wireless Access Integration
At branch offices and contact centers, deploy the Catalyst 3750X 48 Port Data LAN Base (WS-C3750X-48T-L) to power up to 48 IP phones and access points with Class 3 PoE. Combined with hardware QoS and VLAN tagging, this ensures crystal-clear voice/video performance, simplified cabling and predictable service levels.
Secure Departmental Segmentation and Compliance
For high-security departments (finance, R&D), implement the WS-C3750X-48T-L with LAN Base to enforce multi-VLAN segmentation, port-based ACLs, DHCP snooping and Dynamic ARP Inspection. The outcome is microsegmented traffic isolation, automated threat mitigation and streamlined regulatory compliance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 WS-C3750X-48T-L |  WS-C3750X-48T-E |  WS-C3750X-48U-L |  WS-C3750X-24P-S |  WS-C3750X-48PF-L | |
|---|---|---|---|---|---|
| Depth | 16.1 inches | 18.9 inches | 18.0 inches | 11.8 inches | 16.14 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 64 MB | 128 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.73 inches | 1.73 inches | 1.73 inches |
| IOS | LAN Base | LAN Base | IP Lite | LAN Base | IP Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C3750X-48T-L | WS-C3750X-48T-E | WS-C3750X-48U-L | WS-C3750X-24P-S | WS-C3750X-48PF-L |
| Media Type Supported | Twisted Pair | Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber |
| Memory | 512 MB | 512 MB | 256 MB | 512 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 4 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | POE+ | POE+ |
| Port/Expansion Slot Details | 48 Ethernet ports, 4 SFP uplink ports | 48 Ethernet ports, 4 SFP uplink ports | 48 fixed 10/100/1000 Ethernet ports with 4 fixed 1G SFP uplink interfaces | 24 PoE+ ports and 4 SFP uplink ports | 48 fixed 10/100/1000 Ethernet ports and 4 fixed 1G SFP uplink ports |
| Power Consumption | 350 W | 365 W | 240W | 365 W | 715 W |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply / N/A | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Catalyst 3750X 48-Port 10/100/1000 Ethernet Switch | Catalyst 3750-X 48-Port 10/100/1000, 4 x 1G SFP, LAN Base | Cisco Catalyst 3750-X 48-Port Uplink Switch (WS-C3750X-48U-L) | Cisco Catalyst 3750X-24 Power over Ethernet Switch | Cisco Catalyst 3750X-48PF-L |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | Yes | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 176 Gbps | 176 Gbps | 176 Gbps | 128 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 480 Gbps | 160 Gbps | 160 Gbps | 160 Gbps | 320 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 29.3 lbs | 25 lbs | 31.8 lbs | 26 lbs | 17.63 lbs |
| Width | 17.2 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.32 inches |
Reviews & Ratings
E
Ethan Grant
4
Handles moderate traffic reliably and efficiently.
H
Hannah Barrett
5
Cisco build ensures minimal downtime.
L
Lucas Pierce
4
Ideal for enterprise access and edge deployments.
I
Isabel Warren
5
Predictable operation and stable throughput.
Questions & Answers
What is the Cisco Catalyst 3750X 48 Port Data LAN Base (WS-C3750X-48T-L)?
The Cisco Catalyst 3750X 48 Port Data LAN Base is a fixed-configuration Gigabit Ethernet switch offering 48 ports, LAN Base software, and advanced stackable capabilities for enterprise access networks.
How many Gigabit Ethernet ports does the WS-C3750X-48T-L provide?
The WS-C3750X-48T-L delivers 48 fixed 10/100/1000 Mbps RJ-45 ports for high-density network connectivity.
What stacking capabilities does the Catalyst 3750X support?
This switch supports Cisco StackWise Plus technology, allowing up to nine switches to operate as a single logical unit with 64 Gbps of stack bandwidth.
What is the switching capacity and throughput of the 3750X-48T?
It offers a 176 Gbps switching capacity and up to 41.7 million packets per second (mpps) forwarding rate.
Which software features are included in the LAN Base image?
The LAN Base image includes Layer 2 switching, basic Layer 3 routing (static, RIP), security, Quality of Service (QoS), and energy-saving features.
Does WS-C3750X-48T-L support Layer 3 routing?
Yes, it supports basic Layer 3 routing including static routes and RIP for small to medium access networks.
How is the 3750X managed?
Management options include Cisco IOS CLI, Cisco Network Assistant GUI, SNMP, RMON, Cisco Prime Infrastructure, and web-based Device Manager.
What power supply options are available?
The switch comes with an internal fixed power supply and supports optional redundant external RPS for high availability.
Is Power over Ethernet (PoE) supported on the WS-C3750X-48T-L?
No, the WS-C3750X-48T-L is a data-only model and does not support PoE; for PoE functionality choose the WS-C3750X-48P-L variant.
What are the compatibility requirements for uplink modules?
It accepts four optional SFP/SFP+ uplink modules, including 1G SX/LX and 10G SR/LR transceivers for flexible fiber connectivity.
How does the Catalyst 3750X compare to the 2960X series?
Compared to the 2960X, the 3750X offers higher stacking bandwidth, basic Layer 3 routing, and a broader set of QoS and security features.
What is the typical power consumption of the switch?
Typical power usage is approximately 89 W under full load, with energy-efficient features reducing consumption during low-traffic periods.
What are the environmental specifications for the 3750X?
Operating temperature: 0°C to 40°C; humidity: 10% to 85% non-condensing; altitude: up to 3000 m.
What warranty and support options are available?
Each switch includes a limited lifetime hardware warranty and access to Cisco’s technical support services; optional SMARTnet maintenance is available.
Can I perform in-service software upgrades (ISSU)?
Yes, the 3750X supports In-Service Software Upgrade (ISSU) when deployed in a stack, minimizing downtime during IOS upgrades.
Where can I purchase the WS-C3750X-48T-L and obtain technical support?
You can purchase through authorized Cisco resellers or the Cisco website, and access support via Cisco.com or by calling Cisco Technical Assistance Center (TAC).