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Description:   The Cisco WS-C3750X-48U-L LAN Base has 24 UPOE Total Ethernet Ports, 1005 Total VLANs, and a 1100W AC Power Supply. It operates with a 256 MB DRAM, a 64 MB Flash, and a 160 Gbps Switching Fabric.

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About WS-C3750X-48U-L

Product Overview:

When it comes to switches, The Cisco® Catalyst® 3750-X series switch is the torch-barer. When speaking of Cisco stackable switches specifically, WS-C3750X-48U-L stackable switches speak the loudest. In terms of security, scalability and easy-accessibility, WS-C3750X-48U-L specifications stand higher than their contemporaries. Cisco StackPower technology is a very prominent and innovative feature that is present in very few Cisco switches including WS-C3750X-48U-L stackable switches.

  • Optional Network Modules (ONM)
  • Media Access Control Security (MACsec)
  • IEEE 802.3at Power over PoE+
  • Redundant Power Supply (RPS)

These are 4 prominent features that you will find when reading the LAN based WS-C3750X-48U-L user manual.

Primary Features:

Every WS-C3750X-48U-L stackable switch comes with ‘switch-to-switch hardware encryption’, ‘Flexible NetFlow’ and ‘Service Module uplink’. WS-C3750X-48U-L stackable switch is equipped with module power supply and dual redundant. ‘StackWise Plus technology’ by Cisco relaxes and widens the scope of using 64 Gbps of throughput. The encryption of WS-C3750X-48U-L module runs with hardware-based Media Access Control Security (MACsec).


WS-C3750X-48U-L stackable switch is a LAN based model with 48 UPOE Ethernet ports, 1100W Default AC Power Supply and 800W available PoE power. With WS-C3750X-48U-L specifications, Stackpower of 15.0(2)SE software release (cables separately purchased) as a starting point is available.


WS-C3750X-48U-L stackable switch, being a LAN based one; with up-to 255 VLANs, it is featured with ‘enterprise access Layer 2 switching’. WS-C3750X-48U-L installation provides the switch only with other Cisco Catalyst 3750‑X Series switches (LAN Based). Any mixed-stack combination of LAN Based switch with IP services and IP based features are not supported.

Service Module:

‘Enhanced security and Flexible Netflow (FNF)’ is an outstanding feature of all the Cisco Catalyst 3750-X switches; C3750X-48U-L stackable switch being one of the most prominent. This technology enables superior security and ‘Flexible Netflow (FNF)’ on the uplink port. ‘Line rate (40G) Flexible NetFlow’, ‘Line rate (40G) MACsec encryption’ and ‘Security Anomaly Detection’ are another three prominent features of this Cisco WS-C3750X-48U-L Service Module.


WS-C3750X-48U-L smartnet is built through a process involving Borderless high-end security, easy operations, increased sustainability and elevated user-experience.


Cisco EnergyWise is a brilliant joint technology that measures and regulates power consumption with customized policies. Other features that C3750X-48U-L installation guide includes are efficient switch operation (ESO), Energy Efficient Ethernet (EEE), Cisco EnergyWise technology and   intelligent power management (IPM).

Ordering Information:

WS-C3750X-48U-L specification includes LAN based feature set (Stackpower cables excluded), 1100W AC power supply 1 RU and Stackable 48 10/100/1000 Ethernet UPOE ports.

Dimensions and Weight:

The dimension of C3750X-48U-L datasheet mentions to be 1.75 x 17.5 x 19.5 (Inches) or
4.45 x 44.5 x 49.5 (Centimeters) for H x W x D respectively.

Additional Information:

For software upgrading, ‘Cisco IOS®Software activation’ is easily accessible for every WS-C3750X-48U-L user with its pre-configured software feature set. With its auto-activation technology, there’s a ‘license file’ that starting from the switched on, starts to assign the appropriate feature set on the basis of the license-type. Also, this feature set is dynamic in nature with this C3750X-48U-L stackable switch so that the license type can be updated anytime, upgraded, and switched to another license type.

Technical specifications:

Revision Part #

Common misspellings: